daw/js/form.js

/*============================================
		    Conditional Logic
==============================================*/
var __gf_timeout_handle;

function gf_apply_rules(formId, fields, isInit){
    var rule_applied = 0;
    for(var i=0; i < fields.length; i++){
        gf_apply_field_rule(formId, fields[i], isInit, function(){
            rule_applied++;
            if(rule_applied == fields.length){
                jQuery(document).trigger('gform_post_conditional_logic', [formId, fields, isInit]);
                if(window["gformCalculateTotalPrice"])
                    window["gformCalculateTotalPrice"](formId);
            }
        });
    }
}

function gf_check_field_rule(formId, fieldId, isInit, callback){

    //if conditional logic is not specified for that field, it is supposed to be displayed
    if(!window["gf_form_conditional_logic"] || !window["gf_form_conditional_logic"][formId] || !window["gf_form_conditional_logic"][formId]["logic"][fieldId])
        return "show";

    var conditionalLogic = window["gf_form_conditional_logic"][formId]["logic"][fieldId];
    var action = gf_get_field_action(formId, conditionalLogic["section"]);

    //If section is hidden, always hide field. If section is displayed, see if field is supposed to be displayed or hidden
    if(action != "hide")
        action = gf_get_field_action(formId, conditionalLogic["field"]);

    return action;
}

function gf_apply_field_rule(formId, fieldId, isInit, callback){

    var action = gf_check_field_rule(formId, fieldId, isInit, callback);

    gf_do_field_action(formId, action, fieldId, isInit, callback);

    var conditionalLogic = window["gf_form_conditional_logic"][formId]["logic"][fieldId];
    //perform conditional logic for the next button
    if(conditionalLogic["nextButton"]){
        action = gf_get_field_action(formId, conditionalLogic["nextButton"]);
        gf_do_next_button_action(formId, action, fieldId, isInit);
    }

}

function gf_get_field_action(formId, conditionalLogic){
    if(!conditionalLogic)
        return "show";

    var matches = 0;
    for(var i = 0; i < conditionalLogic["rules"].length; i++){
        var rule = conditionalLogic["rules"][i];
        if(gf_is_match(formId, rule))
            matches++;
    }

    var action;
    if( (conditionalLogic["logicType"] == "all" && matches == conditionalLogic["rules"].length) || (conditionalLogic["logicType"] == "any"  && matches > 0) )
        action = conditionalLogic["actionType"];
    else
        action = conditionalLogic["actionType"] == "show" ? "hide" : "show";

    return action;
}

function gf_is_match(formId, rule){

    var isMatch = false;
    var inputs = jQuery("#input_" + formId + "_" + rule["fieldId"] + " input");
    var fieldValue;
    if(inputs.length > 0){
    	//handling checkboxes/radio

        for(var i=0; i< inputs.length; i++){
            fieldValue = gf_get_value(jQuery(inputs[i]).val());

            //find specific checkbox/radio item. Skip if this is not the specific item and the operator is not one that targets a range of values (i.e. greater than and less than)
            var isRangeOperator = jQuery.inArray(rule["operator"], ["<", ">", "contains", "starts_with", "ends_with"]) >= 0;
            if(fieldValue != rule["value"] && !isRangeOperator) {
                continue;
			}

            //blank value if item isn't checked
            if(!jQuery(inputs[i]).is(":checked")) {
                fieldValue = "";
			}
			else if (fieldValue == "gf_other_choice"){
				//get the value from the associated text box
				fieldValue = jQuery("#input_" + formId + "_" + rule["fieldId"] + "_other").val();
			}

            if(gf_matches_operation(fieldValue, rule["value"], rule["operator"]))
                isMatch = true;
        }
    }
    else{
        //handling all other fields (non-checkboxes)
        var val = jQuery("#input_" + formId + "_" + rule["fieldId"]).val();

        //transform regular value into array to support multi-select (which returns an array of selected items)
        var values = (val instanceof Array) ? val : [val];

        var matchCount = 0;

        var fieldNumberFormat = window['gf_global'] && gf_global.number_formats && gf_global.number_formats[formId] && gf_global.number_formats[formId][rule["fieldId"]] ? gf_global.number_formats[formId][rule["fieldId"]] : false;

        for(var i=0; i < values.length; i++){

            //fields with pipes in the value will use the label for conditional logic comparison
            var hasLabel = values[i] ? values[i].indexOf("|") >= 0 : true;

            fieldValue = gf_get_value(values[i]);

            var decimalSeparator = ".";
            if( fieldNumberFormat && !hasLabel){

                if( fieldNumberFormat == "currency" )
                    decimalSeparator = gformGetDecimalSeparator('currency');
                else if( fieldNumberFormat == "decimal_comma")
                    decimalSeparator = ",";
                else if( fieldNumberFormat == "decimal_dot")
                    decimalSeparator = ".";

                //transform to a decimal dot number
                fieldValue = gformCleanNumber( fieldValue, '', '', decimalSeparator);

                //now transform to number specified by locale
                if(window['gf_number_format'] && window['gf_number_format'] == "decimal_comma")
                    fieldValue = gformFormatNumber(fieldValue, -1, ",", ".");

                if( ! fieldValue )
                    fieldValue = 0;

                fieldValue = fieldValue.toString();
            }



            if(gf_matches_operation(fieldValue, rule["value"], rule["operator"])){
                matchCount++;
            }
        }
        //If operator is Is Not, none of the value can match
        isMatch = rule["operator"] == "isnot" ? matchCount == values.length : matchCount > 0;
    }

    return gform.applyFilters( 'gform_is_value_match', isMatch, formId, rule );
}

function gf_try_convert_float(text){
    var format = window["gf_number_format"] == "decimal_comma" ? "decimal_comma" : "decimal_dot";

    if(gformIsNumeric(text, format)){
        var decimal_separator = format == "decimal_comma" ? "," : ".";
        return gformCleanNumber(text, "", "", decimal_separator);
    }

    return text;
}

function gf_matches_operation(val1, val2, operation){
    val1 = val1 ? val1.toLowerCase() : "";
    val2 = val2 ? val2.toLowerCase() : "";

    switch(operation){
        case "is" :
            return val1 == val2;
        break;

        case "isnot" :
            return val1 != val2;
        break;

        case ">" :
            val1 = gf_try_convert_float(val1);
            val2 = gf_try_convert_float(val2);

            return gformIsNumber(val1) && gformIsNumber(val2) ? val1 > val2 : false;
        break;

        case "<" :
            val1 = gf_try_convert_float(val1);
            val2 = gf_try_convert_float(val2);

            return gformIsNumber(val1) && gformIsNumber(val2) ? val1 < val2 : false;
        break;

        case "contains" :
            return val1.indexOf(val2) >=0;
        break;

        case "starts_with" :
            return val1.indexOf(val2) ==0;
        break;

        case "ends_with" :
            var start = val1.length - val2.length;
            if(start < 0)
                return false;

            var tail = val1.substring(start);
            return val2 == tail;
        break;
    }
    return false;
}

function gf_get_value(val){
    if(!val)
        return "";

    val = val.split("|");
    return val[0];
}

function gf_do_field_action(formId, action, fieldId, isInit, callback){
    var conditional_logic = window["gf_form_conditional_logic"][formId];
    var dependent_fields = conditional_logic["dependents"][fieldId];

    for(var i=0; i < dependent_fields.length; i++){
        var targetId = fieldId == 0 ? "#gform_submit_button_" + formId : "#field_" + formId + "_" + dependent_fields[i];

        //calling callback function on the last dependent field, to make sure it is only called once
        do_callback = (i+1) == dependent_fields.length ? callback : null;

        gf_do_action(action, targetId, conditional_logic["animation"], conditional_logic["defaults"][dependent_fields[i]], isInit, do_callback);
    }
}

function gf_do_next_button_action(formId, action, fieldId, isInit){
    var conditional_logic = window["gf_form_conditional_logic"][formId];
    var targetId = "#gform_next_button_" + formId + "_" + fieldId;

    gf_do_action(action, targetId, conditional_logic["animation"], null, isInit);
}

function gf_do_action(action, targetId, useAnimation, defaultValues, isInit, callback){
	var $target = jQuery(targetId);
	if(action == "show"){
		if(useAnimation && !isInit){
			if($target.length > 0){
				$target.slideDown(callback);
			} else if(callback){
				callback();
			}
		}
		else{
			//$target.show();
			//Getting around an issue with Chrome on Android. Does not like jQuery('xx').show() ...
			$target.css('display', 'block');

			if(callback){
				callback();
			}
		}
	}
	else{
		//if field is not already hidden, reset its values to the default
		var child = $target.children().first();
		if (child.length > 0){
			if(!gformIsHidden(child)){
				gf_reset_to_default(targetId, defaultValues);
			}
		}

		if(useAnimation && !isInit){
			if($target.length > 0 && $target.is(":visible")) {
				$target.slideUp(callback);
			} else if(callback) {
				callback();
			}
		} else{
			$target.hide();
			if(callback){
				callback();
			}
		}
	}
}

function gf_reset_to_default(targetId, defaultValue){

    var dateFields = jQuery(targetId).find('.gfield_date_month input[type="text"], .gfield_date_day input[type="text"], .gfield_date_year input[type="text"], .gfield_date_dropdown_month select, .gfield_date_dropdown_day select, .gfield_date_dropdown_year select');
    var dateIndex = 0;
    if(dateFields.length > 0){
        dateFields.each(function(){
            if(defaultValue){
                val = defaultValue.split(/[\.\/-]+/)[dateIndex];
                dateIndex++;
            }
            else{
                val = "";
            }

            var element = jQuery(this);
            if(element.prop("tagName") == "SELECT")
                val = parseInt(val);


            if(element.val() != val)
                element.val(val).trigger("change");
            else
                element.val(val);

        });

        return;
    }

    //cascading down conditional logic to children to suppport nested conditions
    //text fields and drop downs
    var target = jQuery(targetId).find('select, input[type="text"], input[type="number"], textarea');

    var target_index = 0;

    target.each(function(){
        var val = "";

        var element = jQuery(this);
        if(element.is('select:not([multiple])')){
            val = element.find('option' ).not( ':disabled' ).eq(0).val();
        }

        //get name of previous input field to see if it is the radio button which goes with the "Other" text box
        //otherwise field is populated with input field name
        var radio_button_name = element.prev("input").attr("value");
        if(radio_button_name == "gf_other_choice"){
        	val = element.attr("value");
        }
        else if(jQuery.isArray(defaultValue)){
            val = defaultValue[target_index];
        }
        else if(jQuery.isPlainObject(defaultValue)){
            val = defaultValue[element.attr("name")];
        }
        else if(defaultValue){

            val = defaultValue;

        }

        if(element.val() != val)
            element.val(val).trigger('change');
        else
            element.val(val);

        target_index++;
    });

    //checkboxes and radio buttons
    var elements = jQuery(targetId).find('input[type="radio"], input[type="checkbox"]');

    elements.each(function(){

        //is input currently checked?
        var isChecked = jQuery(this).is(':checked') ? true : false;

        //does input need to be marked as checked or unchecked?
        var doCheck = defaultValue ? jQuery.inArray(jQuery(this).attr('id'), defaultValue) > -1 : false;

        //if value changed, trigger click event
        if(isChecked != doCheck){
            //setting input as checked or unchecked appropriately

            if(jQuery(this).attr("type") == "checkbox"){
                jQuery(this).trigger('click');
            }
            else{
                jQuery(this).prop("checked", doCheck);

                //need to set the prop again after the click is triggered
                jQuery(this).trigger('click').prop('checked', doCheck);
            }

        }
    });

}


/*============================================
		    jQuery JSON
==============================================*/

(function($) {
    function toIntegersAtLease(n)
    // Format integers to have at least two digits.
    {
        return n < 10 ? '0' + n : n;
    }

    Date.prototype.toJSON = function(date)
    // Yes, it polutes the Date namespace, but we'll allow it here, as
    // it's damned usefull.
    {
        return this.getUTCFullYear()   + '-' +
             toIntegersAtLease(this.getUTCMonth()) + '-' +
             toIntegersAtLease(this.getUTCDate());
    };

    var escapeable = /["\\\x00-\x1f\x7f-\x9f]/g;
    var meta = {    // table of character substitutions
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"' : '\\"',
            '\\': '\\\\'
        };

    $.quoteString = function(string)
    // Places quotes around a string, inteligently.
    // If the string contains no control characters, no quote characters, and no
    // backslash characters, then we can safely slap some quotes around it.
    // Otherwise we must also replace the offending characters with safe escape
    // sequences.
    {
        //if (escapeable.test(string))
        //{
            return '"' + string.replace(escapeable, function (a)
            {
                var c = meta[a];
                if (typeof c === 'string') {
                    return c;
                }
                c = a.charCodeAt();
                return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
            }) + '"';
        //}
        //else{
        //    string = string.replace('\n','\\n');
        //}
        return '"' + string + '"';
    };

    $.toJSON = function(o, compact)
    {
        var type = typeof(o);

        if (type == "undefined")
            return "undefined";
        else if (type == "number" || type == "boolean")
            return o + "";
        else if (o === null)
            return "null";

        // Is it a string?
        if (type == "string")
        {
            var str = $.quoteString(o);
            return str;
        }

        // Does it have a .toJSON function?
        if (type == "object" && typeof o.toJSON == "function")
            return o.toJSON(compact);

        // Is it an array?
        if (type != "function" && typeof(o.length) == "number")
        {
            var ret = [];
            for (var i = 0; i < o.length; i++) {
                ret.push( $.toJSON(o[i], compact) );
            }
            if (compact)
                return "[" + ret.join(",") + "]";
            else
                return "[" + ret.join(", ") + "]";
        }

        // If it's a function, we have to warn somebody!
        if (type == "function") {
            throw new TypeError("Unable to convert object of type 'function' to json.");
        }

        // It's probably an object, then.
        var ret = [];
        for (var k in o) {
            var name;
            type = typeof(k);

            if (type == "number")
                name = '"' + k + '"';
            else if (type == "string")
                name = $.quoteString(k);
            else
                continue;  //skip non-string or number keys

            var val = $.toJSON(o[k], compact);
            if (typeof(val) != "string") {
                // skip non-serializable values
                continue;
            }

            if (compact)
                ret.push(name + ":" + val);
            else
                ret.push(name + ": " + val);
        }
        return "{" + ret.join(", ") + "}";
    };

    $.compactJSON = function(o)
    {
        return $.toJSON(o, true);
    };

    $.evalJSON = function(src)
    // Evals JSON that we know to be safe.
    {
        return eval("(" + src + ")");
    };

    $.secureEvalJSON = function(src)
    // Evals JSON in a way that is *more* secure.
    {
        var filtered = src;
        filtered = filtered.replace(/\\["\\\/bfnrtu]/g, '@');
        filtered = filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
        filtered = filtered.replace(/(?:^|:|,)(?:\s*\[)+/g, '');

        if (/^[\],:{}\s]*$/.test(filtered))
            return eval("(" + src + ")");
        else
            throw new SyntaxError("Error parsing JSON, source is not valid.");
    };
})(jQuery);


/*============================================
		    Placeholders.js v2.1.1
==============================================*/

(function(t){"use strict";function e(t,e,r){return t.addEventListener?t.addEventListener(e,r,!1):t.attachEvent?t.attachEvent("on"+e,r):void 0}function r(t,e){var r,n;for(r=0,n=t.length;n>r;r++)if(t[r]===e)return!0;return!1}function n(t,e){var r;t.createTextRange?(r=t.createTextRange(),r.move("character",e),r.select()):t.selectionStart&&(t.focus(),t.setSelectionRange(e,e))}function a(t,e){try{return t.type=e,!0}catch(r){return!1}}t.Placeholders={Utils:{addEventListener:e,inArray:r,moveCaret:n,changeType:a}}})(this),function(t){"use strict";function e(){}function r(t,e){var r,n,a=!!e&&t.value!==e,u=t.value===t.getAttribute(V);return(a||u)&&"true"===t.getAttribute(D)?(t.setAttribute(D,"false"),t.value=t.value.replace(t.getAttribute(V),""),t.className=t.className.replace(R,""),n=t.getAttribute(z),n&&(t.setAttribute("maxLength",n),t.removeAttribute(z)),r=t.getAttribute(I),r&&(t.type=r),!0):!1}function n(t){var e,r,n=t.getAttribute(V);return""===t.value&&n?(t.setAttribute(D,"true"),t.value=n,t.className+=" "+k,r=t.getAttribute(z),r||(t.setAttribute(z,t.maxLength),t.removeAttribute("maxLength")),e=t.getAttribute(I),e?t.type="text":"password"===t.type&&K.changeType(t,"text")&&t.setAttribute(I,"password"),!0):!1}function a(t,e){var r,n,a,u,i;if(t&&t.getAttribute(V))e(t);else for(r=t?t.getElementsByTagName("input"):p,n=t?t.getElementsByTagName("textarea"):h,i=0,u=r.length+n.length;u>i;i++)a=r.length>i?r[i]:n[i-r.length],e(a)}function u(t){a(t,r)}function i(t){a(t,n)}function l(t){return function(){b&&t.value===t.getAttribute(V)&&"true"===t.getAttribute(D)?K.moveCaret(t,0):r(t)}}function o(t){return function(){n(t)}}function c(t){return function(e){return m=t.value,"true"===t.getAttribute(D)&&m===t.getAttribute(V)&&K.inArray(C,e.keyCode)?(e.preventDefault&&e.preventDefault(),!1):void 0}}function s(t){return function(){r(t,m),""===t.value&&(t.blur(),K.moveCaret(t,0))}}function d(t){return function(){t===document.activeElement&&t.value===t.getAttribute(V)&&"true"===t.getAttribute(D)&&K.moveCaret(t,0)}}function g(t){return function(){u(t)}}function v(t){t.form&&(L=t.form,L.getAttribute(P)||(K.addEventListener(L,"submit",g(L)),L.setAttribute(P,"true"))),K.addEventListener(t,"focus",l(t)),K.addEventListener(t,"blur",o(t)),b&&(K.addEventListener(t,"keydown",c(t)),K.addEventListener(t,"keyup",s(t)),K.addEventListener(t,"click",d(t))),t.setAttribute(U,"true"),t.setAttribute(V,E),n(t)}var p,h,b,f,m,A,y,E,x,L,T,N,S,w=["text","search","url","tel","email","password","number","textarea"],C=[27,33,34,35,36,37,38,39,40,8,46],B="#ccc",k="placeholdersjs",R=RegExp("(?:^|\\s)"+k+"(?!\\S)"),V="data-placeholder-value",D="data-placeholder-active",I="data-placeholder-type",P="data-placeholder-submit",U="data-placeholder-bound",j="data-placeholder-focus",q="data-placeholder-live",z="data-placeholder-maxlength",F=document.createElement("input"),G=document.getElementsByTagName("head")[0],H=document.documentElement,J=t.Placeholders,K=J.Utils;if(J.nativeSupport=void 0!==F.placeholder,!J.nativeSupport){for(p=document.getElementsByTagName("input"),h=document.getElementsByTagName("textarea"),b="false"===H.getAttribute(j),f="false"!==H.getAttribute(q),A=document.createElement("style"),A.type="text/css",y=document.createTextNode("."+k+" { color:"+B+"; }"),A.styleSheet?A.styleSheet.cssText=y.nodeValue:A.appendChild(y),G.insertBefore(A,G.firstChild),S=0,N=p.length+h.length;N>S;S++)T=p.length>S?p[S]:h[S-p.length],E=T.attributes.placeholder,E&&(E=E.nodeValue,E&&K.inArray(w,T.type)&&v(T));x=setInterval(function(){for(S=0,N=p.length+h.length;N>S;S++)T=p.length>S?p[S]:h[S-p.length],E=T.attributes.placeholder,E&&(E=E.nodeValue,E&&K.inArray(w,T.type)&&(T.getAttribute(U)||v(T),(E!==T.getAttribute(V)||"password"===T.type&&!T.getAttribute(I))&&("password"===T.type&&!T.getAttribute(I)&&K.changeType(T,"text")&&T.setAttribute(I,"password"),T.value===T.getAttribute(V)&&(T.value=E),T.setAttribute(V,E))));f||clearInterval(x)},100)}J.disable=J.nativeSupport?e:u,J.enable=J.nativeSupport?e:i}(this);




/*============================================
		    Gravity Forms
==============================================*/

// "prop" method fix for previous versions of jQuery (1.5 and below)
if( typeof jQuery.fn.prop === 'undefined' ) {
    jQuery.fn.prop = jQuery.fn.attr;
}

//Formatting free form currency fields to currency
jQuery(document).ready(function(){
    jQuery(document).bind('gform_post_render', gformBindFormatPricingFields);
});

function gformBindFormatPricingFields(){
    jQuery(".ginput_amount, .ginput_donation_amount").bind("change", function(){
        gformFormatPricingField(this);
    });

    jQuery(".ginput_amount, .ginput_donation_amount").each(function(){
        gformFormatPricingField(this);
    });
}


//------------------------------------------------
//---------- CURRENCY ----------------------------
//------------------------------------------------
function Currency(currency){
    this.currency = currency;

    this.toNumber = function(text){
        if(this.isNumeric(text))
            return parseFloat(text);

        return gformCleanNumber(text, this.currency["symbol_right"], this.currency["symbol_left"], this.currency["decimal_separator"]);
    };

    this.toMoney = function(number){
        if(!this.isNumeric(number))
            number = this.toNumber(number);

        if(number === false)
            return "";

        number = number + "";
        negative = "";
        if(number[0] == "-"){
            negative = "-";
            number = parseFloat(number.substr(1));
        }
        money = this.numberFormat(number, this.currency["decimals"], this.currency["decimal_separator"], this.currency["thousand_separator"]);

        var symbol_left = this.currency["symbol_left"] ? this.currency["symbol_left"] + this.currency["symbol_padding"] : "";
        var symbol_right = this.currency["symbol_right"] ? this.currency["symbol_padding"] + this.currency["symbol_right"] : "";
        money =  negative + this.htmlDecode(symbol_left) + money + this.htmlDecode(symbol_right);
        return money;
    };

    this.numberFormat = function(number, decimals, dec_point, thousands_sep, padded){
        var padded = typeof padded == 'undefined';
        number = (number+'').replace(',', '').replace(' ', '');
        var n = !isFinite(+number) ? 0 : +number,
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep, dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',

        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);
            return '' + Math.round(n * k) / k;
        };

        if(decimals == '0') {
            s = ('' + Math.round(n)).split('.');
        } else
        if(decimals == -1) {
            s = ('' + n).split('.');
        } else {
            // Fix for IE parseFloat(0.55).toFixed(0) = 0;
            s = toFixedFix(n, prec).split('.');
        }

        if (s[0].length > 3) {
            s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
        }

        if(padded) {
            if ((s[1] || '').length < prec) {
                s[1] = s[1] || '';
                s[1] += new Array(prec - s[1].length + 1).join('0');
            }
        }

        return s.join(dec);
    }

    this.isNumeric = function(number){
        return gformIsNumber(number);
    };

    this.htmlDecode = function(text) {
        var c,m,d = text;

        // look for numerical entities &#34;
        var arr=d.match(/&#[0-9]{1,5};/g);

        // if no matches found in string then skip
        if(arr!=null){
            for(var x=0;x<arr.length;x++){
                m = arr[x];
                c = m.substring(2,m.length-1); //get numeric part which is refernce to unicode character
                // if its a valid number we can decode
                if(c >= -32768 && c <= 65535){
                    // decode every single match within string
                    d = d.replace(m, String.fromCharCode(c));
                }else{
                    d = d.replace(m, ""); //invalid so replace with nada
                }
            }
        }
        return d;
    };
}

function gformCleanNumber(text, symbol_right, symbol_left, decimal_separator){
    //converting to a string if a number as passed
    text = text + " ";

    //Removing symbol in unicode format (i.e. &#4444;)
    text = text.replace(/&.*?;/, "", text);

    //Removing symbol from text
    text = text.replace(symbol_right, "");
    text = text.replace(symbol_left, "");


    //Removing all non-numeric characters
    var clean_number = "";
    var is_negative = false;
    for(var i=0; i<text.length; i++){
        var digit = text.substr(i,1);
        if( (parseInt(digit) >= 0 && parseInt(digit) <= 9) || digit == decimal_separator )
            clean_number += digit;
        else if(digit == '-')
            is_negative = true;
    }

    //Removing thousand separators but keeping decimal point
    var float_number = "";

    for(var i=0; i<clean_number.length; i++)
    {
        var char = clean_number.substr(i,1);
        if (char >= '0' && char <= '9')
            float_number += char;
        else if(char == decimal_separator){
            float_number += ".";
        }
    }

    if(is_negative)
        float_number = "-" + float_number;

    return gformIsNumber(float_number) ? parseFloat(float_number) : false;
}

function gformGetDecimalSeparator(numberFormat){
    var s;
    switch (numberFormat){
        case 'currency' :
            var currency = new Currency(gf_global.gf_currency_config);
            s = currency.currency["decimal_separator"];
            break;
        case 'decimal_comma' :
            s = ',';
            break;
        default :
            s = "."
     }
    return s;
}

function gformIsNumber(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}

function gformIsNumeric(value, number_format){

    switch(number_format){
        case "decimal_dot" :
            var r = new RegExp("^(-?[0-9]{1,3}(?:,?[0-9]{3})*(?:\.[0-9]+)?)$");
            return r.test(value);
        break;

        case "decimal_comma" :
            var r = new RegExp("^(-?[0-9]{1,3}(?:\.?[0-9]{3})*(?:,[0-9]+)?)$");
            return r.test(value);
        break;
    }
    return false;
}

//------------------------------------------------
//---------- MULTI-PAGE --------------------------
//------------------------------------------------
function gformDeleteUploadedFile(formId, fieldId, deleteButton){
    var parent = jQuery("#field_" + formId + "_" + fieldId);

    var fileIndex = jQuery(deleteButton).parent().index();

    parent.find(".ginput_preview").eq(fileIndex).remove();

    //displaying single file upload field
    parent.find("input[type=\"file\"]").removeClass("gform_hidden");

    //displaying post image label
    parent.find(".ginput_post_image_file").show();

    //clearing post image meta fields
    parent.find("input[type=\"text\"]").val('');

    //removing file from uploaded meta
    var files = jQuery.secureEvalJSON(jQuery('#gform_uploaded_files_' + formId).val());
    if(files){
        var inputName = "input_" + fieldId;
        var $multfile = parent.find("#gform_multifile_upload_" + formId + "_" + fieldId );
        if( $multfile.length > 0 ) {
            files[inputName].splice(fileIndex, 1);
            var settings = $multfile.data('settings');
            var max = settings.gf_vars.max_files;
            jQuery("#" + settings.gf_vars.message_id).html('');
            if(files[inputName].length < max)
                gfMultiFileUploader.toggleDisabled(settings, false);

        } else {
            files[inputName] = null;
        }

        jQuery('#gform_uploaded_files_' + formId).val(jQuery.toJSON(files));
    }
}


//------------------------------------------------
//---------- PRICE -------------------------------
//------------------------------------------------
var _gformPriceFields = new Array();
var _anyProductSelected;

function gformIsHidden(element){
    return element.parents('.gfield').not(".gfield_hidden_product").css("display") == "none";
}

function gformCalculateTotalPrice(formId){

    if(!_gformPriceFields[formId])
        return;

    var price = 0;

    _anyProductSelected = false; //Will be used by gformCalculateProductPrice().
    for(var i=0; i<_gformPriceFields[formId].length; i++){
        price += gformCalculateProductPrice(formId, _gformPriceFields[formId][i]);
    }

    //add shipping price if a product has been selected
    if(_anyProductSelected){
        //shipping price
        var shipping = gformGetShippingPrice(formId)
        price += shipping;
    }

    //gform_product_total filter. Allows uers to perform custom price calculation
    if(window["gform_product_total"])
        price = window["gform_product_total"](formId, price);


    price = gform.applyFilters('gform_product_total', price, formId);

    //updating total
    var totalElement = jQuery(".ginput_total_" + formId);
    if(totalElement.length > 0){
        totalElement.next().val(price);
        totalElement.html(gformFormatMoney(price));
    }
}

function gformGetShippingPrice(formId){
    var shippingField = jQuery(".gfield_shipping_" + formId + " input[type=\"hidden\"], .gfield_shipping_" + formId + " select, .gfield_shipping_" + formId + " input:checked");
    var shipping = 0;
    if(shippingField.length == 1 && !gformIsHidden(shippingField)){
        if(shippingField.attr("type") && shippingField.attr("type").toLowerCase() == "hidden")
            shipping = shippingField.val();
        else
            shipping = gformGetPrice(shippingField.val());
    }

    return gformToNumber(shipping);
}

function gformGetFieldId(element){
    var id = jQuery(element).attr("id");
    var pieces = id.split("_");
    if(pieces.length <=0)
        return 0;

    var fieldId = pieces[pieces.length-1];
    return fieldId;

}

function gformCalculateProductPrice(form_id, productFieldId){

    var price = gformGetBasePrice(form_id, productFieldId);

    var suffix = "_" + form_id + "_" + productFieldId;


    //Drop down auto-calculating labels
    jQuery(".gfield_option" + suffix + ", .gfield_shipping_" + form_id).find("select").each(function(){

        var dropdown_field = jQuery(this);
        var selected_price = gformGetPrice(dropdown_field.val());
        var field_id = dropdown_field.attr("id").split("_")[2];
        dropdown_field.children("option").each(function(){
            var choice_element = jQuery(this);
            var label = gformGetOptionLabel(choice_element, choice_element.val(), selected_price, form_id, field_id);
            choice_element.html(label);
        });
    });


    //Checkboxes labels with prices
    jQuery(".gfield_option" + suffix).find(".gfield_checkbox").find("input").each(function(){
        var checkbox_item = jQuery(this);
        var id = checkbox_item.attr("id");
        var field_id = id.split("_")[2];
        var label_id = id.replace("choice_", "#label_");
        var label_element = jQuery(label_id);
        var label = gformGetOptionLabel(label_element, checkbox_item.val(), 0, form_id, field_id);
        label_element.html(label);
    });


    //Radio button auto-calculating lables
    jQuery(".gfield_option" + suffix + ", .gfield_shipping_" + form_id).find(".gfield_radio").each(function(){
        var selected_price = 0;
        var radio_field = jQuery(this);
        var id = radio_field.attr("id");
        var fieldId = id.split("_")[2];
        var selected_value = radio_field.find("input:checked").val();

        if(selected_value)
            selected_price = gformGetPrice(selected_value);

        jQuery(this).find("input").each(function(){
            var radio_item = jQuery(this);
            var label_id = radio_item.attr("id").replace("choice_", "#label_");
            var label_element = jQuery(label_id);
            var label = gformGetOptionLabel(label_element, radio_item.val(), selected_price, form_id, fieldId);
            label_element.html(label);
        });
    });

    jQuery(".gfield_option" + suffix).find("input:checked, select").each(function(){
        if(!gformIsHidden(jQuery(this)))
            price += gformGetPrice(jQuery(this).val());
    });

    var quantity = gformGetProductQuantity( form_id, productFieldId );

    //setting global variable if quantity is more than 0 (a product was selected). Will be used when calculating total
    if(quantity > 0)
        _anyProductSelected = true;

    price = price * quantity;
    price = Math.round(price * 100) / 100;

    return price;
}

function gformGetProductQuantity( formId, productFieldId ) {

    var quantity,
        quantityInput = jQuery( '#ginput_quantity_' + formId + '_' + productFieldId);

    if( quantityInput.length > 0 ) {

        quantity = ! gformIsNumber( quantityInput.val() ) ? 0 : quantityInput.val();

    } else {

        quantityElement = jQuery( '.gfield_quantity_' + formId + '_' + productFieldId);
        quantity = 1;

        if( quantityElement.find( 'select' ).length > 0 ) {
            quantity = quantityElement.find( 'select' ).val();
        } else if( quantityElement.find( 'input' ).length > 0 ) {
            quantity = quantityElement.find( 'input' ).val();
        }

        if( ! gformIsNumber( quantity ) )
            quantity = 0;

    }

    quantity = parseFloat( quantity );

    return quantity;
}

function gformGetBasePrice(formId, productFieldId){

    var suffix = "_" + formId + "_" + productFieldId;
    var price = 0;
    var productField = jQuery("#ginput_base_price" + suffix+ ", .gfield_donation" + suffix + " input[type=\"text\"], .gfield_product" + suffix + " .ginput_amount");
    if(productField.length > 0){
        price = productField.val();

        //If field is hidden by conditional logic, don't count it for the total
        if(gformIsHidden(productField)){
            price = 0;
        }
    }
    else
    {
        productField = jQuery(".gfield_product" + suffix + " select, .gfield_product" + suffix + " input:checked, .gfield_donation" + suffix + " select, .gfield_donation" + suffix + " input:checked");
        var val = productField.val();
        if(val){
            val = val.split("|");
            price = val.length > 1 ? val[1] : 0;
        }

        //If field is hidden by conditional logic, don't count it for the total
        if(gformIsHidden(productField))
            price = 0;

    }

    var c = new Currency(gf_global.gf_currency_config);
    price = c.toNumber(price);
    return price === false ? 0 : price;
}

function gformFormatMoney(text){
    if(!gf_global.gf_currency_config)
        return text;

    var currency = new Currency(gf_global.gf_currency_config);
    return currency.toMoney(text);
}

function gformFormatPricingField(element){
    if(gf_global.gf_currency_config){
        var currency = new Currency(gf_global.gf_currency_config);
        var price = currency.toMoney(jQuery(element).val());
        jQuery(element).val(price);
    }
}

function gformToNumber(text){
    var currency = new Currency(gf_global.gf_currency_config);
    return currency.toNumber(text);
}

function gformGetPriceDifference(currentPrice, newPrice){

    //getting price difference
    var diff = parseFloat(newPrice) - parseFloat(currentPrice);
    price = gformFormatMoney(diff);
    if(diff > 0)
        price = "+" + price;

    return price;
}

function gformGetOptionLabel(element, selected_value, current_price, form_id, field_id){
    element = jQuery(element);
    var price = gformGetPrice(selected_value);
    var current_diff = element.attr('price');
    var original_label = element.html().replace(/<span(.*)<\/span>/i, "").replace(current_diff, "");

    var diff = gformGetPriceDifference(current_price, price);
    diff = gformToNumber(diff) == 0 ? "" : " " + diff;
    element.attr('price', diff);

    //don't add <span> for drop down items (not supported)
    var price_label = element[0].tagName.toLowerCase() == "option" ? " " + diff : "<span class='ginput_price'>" + diff + "</span>";
    var label = original_label + price_label;

    //calling hook to allow for custom option formatting
    if(window["gform_format_option_label"])
        label = gform_format_option_label(label, original_label, price_label, current_price, price, form_id, field_id);

    return label;
}

function gformGetProductIds(parent_class, element){
    var classes = jQuery(element).hasClass(parent_class) ? jQuery(element).attr("class").split(" ") : jQuery(element).parents("." + parent_class).attr("class").split(" ");
    for(var i=0; i<classes.length; i++){
        if(classes[i].substr(0, parent_class.length) == parent_class && classes[i] != parent_class)
            return {formId: classes[i].split("_")[2], productFieldId: classes[i].split("_")[3]};
    }
    return {formId:0, fieldId:0};
}

function gformGetPrice(text){
    var val = text.split("|");
    var currency = new Currency(gf_global.gf_currency_config);

    if(val.length > 1 && currency.toNumber(val[1]) !== false)
         return currency.toNumber(val[1]);

    return 0;
}

function gformRegisterPriceField(item){

    if(!_gformPriceFields[item.formId])
        _gformPriceFields[item.formId] = new Array();

    //ignore price fields that have already been registered
    for(var i=0; i<_gformPriceFields[item.formId].length; i++)
        if(_gformPriceFields[item.formId][i] == item.productFieldId)
            return;

    //registering new price field
    _gformPriceFields[item.formId].push(item.productFieldId);
}

function gformInitPriceFields(){

    jQuery(".gfield_price").each(function(){

        var productIds = gformGetProductIds("gfield_price", this);
        gformRegisterPriceField(productIds);

       jQuery(this).find("input[type=\"text\"], input[type=\"number\"], select").change(function(){

           var productIds = gformGetProductIds("gfield_price", this);
           if(productIds.formId == 0)
                productIds = gformGetProductIds("gfield_shipping", this);

           jQuery(document).trigger('gform_price_change', [productIds, this]);
           gformCalculateTotalPrice(productIds.formId);
       });

       jQuery(this).find("input[type=\"radio\"], input[type=\"checkbox\"]").click(function(){
           var productIds = gformGetProductIds("gfield_price", this);
           if(productIds.formId == 0)
                productIds = gformGetProductIds("gfield_shipping", this);

           jQuery(document).trigger('gform_price_change', [productIds, this]);
           gformCalculateTotalPrice(productIds.formId);
       });

    });

    for(formId in _gformPriceFields){

        //needed when implementing for in loops
        if(!_gformPriceFields.hasOwnProperty(formId))
            continue;

        gformCalculateTotalPrice(formId);
    }

}


//-------------------------------------------
//---------- PASSWORD -----------------------
//-------------------------------------------
function gformShowPasswordStrength(fieldId){
    var password = jQuery("#" + fieldId).val();
    var confirm = jQuery("#" + fieldId + "_2").val();

    var result = gformPasswordStrength(password, confirm);

    var text = window['gf_text']["password_" + result];

    jQuery("#" + fieldId + "_strength").val(result);
    jQuery("#" + fieldId + "_strength_indicator").removeClass("blank mismatch short good bad strong").addClass(result).html(text);
}

// Password strength meter
function gformPasswordStrength(password1, password2) {
    var shortPass = 1, badPass = 2, goodPass = 3, strongPass = 4, mismatch = 5, symbolSize = 0, natLog, score;

    if(password1.length <=0)
        return "blank";

    // password 1 != password 2
    if ( (password1 != password2) && password2.length > 0)
        return "mismatch";

    //password < 4
    if ( password1.length < 4 )
        return "short";

    if ( password1.match(/[0-9]/) )
        symbolSize +=10;
    if ( password1.match(/[a-z]/) )
        symbolSize +=26;
    if ( password1.match(/[A-Z]/) )
        symbolSize +=26;
    if ( password1.match(/[^a-zA-Z0-9]/) )
        symbolSize +=31;

    natLog = Math.log( Math.pow(symbolSize, password1.length) );
    score = natLog / Math.LN2;

    if (score < 40 )
        return "bad";

    if (score < 56 )
        return "good";

    return "strong";

}

//----------------------------
//------ LIST FIELD ----------
//----------------------------
var gfield_original_title = "";
function gformAddListItem(element, max){

    if(jQuery(element).hasClass("gfield_icon_disabled"))
        return;

    var tr = jQuery(element).closest('tr');
    var clone = tr.clone();
    clone.find("input, select").val("").attr("tabindex", clone.find('input:last').attr("tabindex"));
    tr.after(clone);
    gformToggleIcons(tr.parent(), max);
    gformAdjustClasses(tr.parent());
}

function gformDeleteListItem(element, max){
    var tr = jQuery(element).parent().parent();
    var parent = tr.parent();
    tr.remove();
    gformToggleIcons(parent, max);
    gformAdjustClasses(parent);
}

function gformAdjustClasses(table){
    var rows = table.children();
    for(var i=0; i<rows.length; i++){
        var odd_even_class = (i+1) % 2 == 0 ? "gfield_list_row_even" : "gfield_list_row_odd";
        jQuery(rows[i]).removeClass("gfield_list_row_odd").removeClass("gfield_list_row_even").addClass(odd_even_class);
    }
}

function gformToggleIcons(table, max){
    var rowCount = table.children().length;
    if(rowCount == 1){
        table.find(".delete_list_item").css("visibility", "hidden");
    }
    else{
        table.find(".delete_list_item").css("visibility", "visible");
    }

    if(max > 0 && rowCount >= max){
        gfield_original_title = table.find(".add_list_item:first").attr("title");
        table.find(".add_list_item").addClass("gfield_icon_disabled").attr("title", "");
    }
    else{
        var addIcons = table.find(".add_list_item");
        addIcons.removeClass("gfield_icon_disabled");
        if(gfield_original_title)
            addIcons.attr("title", gfield_original_title);
    }
}


//-----------------------------------
//------ CREDIT CARD FIELD ----------
//-----------------------------------
function gformMatchCard(id) {

    var cardType = gformFindCardType(jQuery('#' + id).val());
    var cardContainer = jQuery('#' + id).parents('.gfield').find('.gform_card_icon_container');

    if(!cardType) {

        jQuery(cardContainer).find('.gform_card_icon').removeClass('gform_card_icon_selected gform_card_icon_inactive');

    } else {

        jQuery(cardContainer).find('.gform_card_icon').removeClass('gform_card_icon_selected').addClass('gform_card_icon_inactive');
        jQuery(cardContainer).find('.gform_card_icon_' + cardType).removeClass('gform_card_icon_inactive').addClass('gform_card_icon_selected');
    }
}

function gformFindCardType(value) {

    if(value.length < 4)
        return false;

    var rules = window['gf_cc_rules'];
    var validCardTypes = new Array();

    for(type in rules) {

        //needed when implementing for in loops
        if(!rules.hasOwnProperty(type))
            continue;


        for(i in rules[type]) {

            if(!rules[type].hasOwnProperty(i))
                continue;

            if(rules[type][i].indexOf(value.substring(0, rules[type][i].length)) === 0) {
                validCardTypes[validCardTypes.length] = type;
                break;
            }

        }
    }

    return validCardTypes.length == 1 ? validCardTypes[0].toLowerCase() : false;
}

function gformToggleCreditCard(){
    if(jQuery("#gform_payment_method_creditcard").is(":checked"))
        jQuery(".gform_card_fields_container").slideDown();
    else
        jQuery(".gform_card_fields_container").slideUp();
}


//----------------------------------------
//------ CHOSEN DROP DOWN FIELD ----------
//----------------------------------------

function gformInitChosenFields(fieldList, noResultsText){
    return jQuery(fieldList).each(function(){

        var element = jQuery(this);

        //only initialize once
        if( element.is(":visible") && element.siblings(".chosen-container").length == 0 ){
            var options = gform.applyFilters( 'gform_chosen_options', { no_results_text: noResultsText }, element );
            element.chosen( options );
        }

    });
}

//----------------------------------------
//--- CURRENCY FORMAT NUMBER FIELD -------
//----------------------------------------

function gformInitCurrencyFormatFields(fieldList){
    jQuery(fieldList).each(function(){
        var $this = jQuery(this);
        $this.val( gformFormatMoney( jQuery(this).val() ) );
    }).change( function( event ) {
            jQuery(this).val( gformFormatMoney( jQuery(this).val() ) );
        });
}



//----------------------------------------
//------ CALCULATION FUNCTIONS -----------
//----------------------------------------

var GFCalc = function(formId, formulaFields){

    this.patt = /{[^{]*?:(\d+(\.\d+)?)(:(.*?))?}/i;
    this.exprPatt = /^[0-9 -/*\(\)]+$/i;
    this.isCalculating = {};

    this.init = function(formId, formulaFields) {

        var calc = this;
        jQuery(document).bind("gform_post_conditional_logic", function(){
            for(var i=0; i<formulaFields.length; i++) {
                var formulaField = jQuery.extend({}, formulaFields[i]);
                calc.runCalc(formulaField, formId);
            }
        });

        for(var i=0; i<formulaFields.length; i++) {
            var formulaField = jQuery.extend({}, formulaFields[i]);
            this.runCalc(formulaField, formId);
            this.bindCalcEvents(formulaField, formId);
        }

    }

    this.runCalc = function(formulaField, formId) {

        var calcObj      = this,
            field        = jQuery('#field_' + formId + '_' + formulaField.field_id),
            formulaInput = jQuery('#input_' + formId + '_' + formulaField.field_id),
            previous_val = formulaInput.val(),
            formula      = gform.applyFilters( 'gform_calculation_formula', formulaField.formula, formulaField, formId, calcObj ),
            expr         = calcObj.replaceFieldTags( formId, formula, formulaField ).replace(/(\r\n|\n|\r)/gm,""),
            result       = '';

        if(calcObj.exprPatt.test(expr)) {
            try {

                //run calculation
                result = eval(expr);

            } catch( e ) { }
        }

        // if result is postive infinity, negative infinity or a NaN, defaults to 0
        if( ! isFinite( result ) )
            result = 0;

        // allow users to modify result with their own function
        if( window["gform_calculation_result"] ) {
            result = window["gform_calculation_result"](result, formulaField, formId, calcObj);
            if( window.console )
                console.log( '"gform_calculation_result" function is deprecated since version 1.8! Use "gform_calculation_result" JS hook instead.' );
        }

        // allow users to modify result with their own function
        result = gform.applyFilters( 'gform_calculation_result', result, formulaField, formId, calcObj );

        // allow result to be custom formatted
        var formattedResult = gform.applyFilters( 'gform_calculation_format_result', false, result, formulaField, formId, calcObj );

        var numberFormat = gf_global.number_formats[formId][formulaField.field_id];

        //formatting number
        if( formattedResult !== false) {
            result = formattedResult;
        }
        else if( field.hasClass( 'gfield_price' ) || numberFormat == "currency") {

            result = gformFormatMoney(result ? result : 0);
        }
        else {

            var decimalSeparator = ".";
            var thousandSeparator = ",";

            if(numberFormat == "decimal_comma"){
                decimalSeparator = ",";
                thousandSeparator = ".";
            }

            result = gformFormatNumber(result, !gformIsNumber(formulaField.rounding) ? -1 : formulaField.rounding, decimalSeparator, thousandSeparator);
        }

        //If value doesn't change, abort.
        //This is needed to prevent an infinite loop condition with conditional logic
        if( result == previous_val )
            return;

        // if this is a calculation product, handle differently
        if(field.hasClass('gfield_price')) {
            formulaInput.text(result);
            jQuery('#ginput_base_price_' + formId + '_' + formulaField.field_id).val(result).trigger('change');
            gformCalculateTotalPrice(formId);
        } else {
            formulaInput.val(result).trigger('change');
        }

    }


    this.bindCalcEvents = function(formulaField, formId) {

        var calcObj = this;
        var formulaFieldId = formulaField.field_id;
        var matches = getMatchGroups(formulaField.formula, this.patt);

        calcObj.isCalculating[formulaFieldId] = false;

        for(var i in matches) {

            if(! matches.hasOwnProperty(i))
                continue;

            var inputId = matches[i][1];
            var fieldId = parseInt(inputId);
            var input = jQuery('#field_' + formId + '_' + fieldId).find('input[name="input_' + inputId + '"], select[name="input_' + inputId + '"]');

            if(input.prop('type') == 'checkbox' || input.prop('type') == 'radio') {
                jQuery(input).click(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId, 0);
                });
            } else
            if(input.is('select') || input.prop('type') == 'hidden') {
                jQuery(input).change(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId, 0);
                });
            } else {
                jQuery(input).keydown(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId);
                }).change(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId, 0);
                });
            }

        }

    }

    this.bindCalcEvent = function(inputId, formulaField, formId, delay) {

        var calcObj = this;
        var formulaFieldId = formulaField.field_id;

        delay = delay == undefined ? 345 : delay;

        if(calcObj.isCalculating[formulaFieldId][inputId])
            clearTimeout(calcObj.isCalculating[formulaFieldId][inputId]);

        calcObj.isCalculating[formulaFieldId][inputId] = window.setTimeout(function() {
            calcObj.runCalc(formulaField, formId);
        }, delay);

    }

    this.replaceFieldTags = function( formId, expr, formulaField ) {

        var matches = getMatchGroups(expr, this.patt);
        var origExpr = expr;

        for(i in matches) {

            if(! matches.hasOwnProperty(i))
                continue;

            var inputId = matches[i][1];
            var fieldId = parseInt(inputId);
            var columnId = matches[i][3];
            var value = 0;

            var input = jQuery('#field_' + formId + '_' + fieldId).find('input[name="input_' + inputId + '"], select[name="input_' + inputId + '"]');

            // radio buttons will return multiple inputs, checkboxes will only return one but it may not be selected, filter out unselected inputs
            if( input.length > 1 || input.prop('type') == 'checkbox' )
                input = input.filter(':checked');

            var isVisible = window['gf_check_field_rule'] ? gf_check_field_rule( formId, fieldId, true, '' ) == 'show' : true;

            if( input.length > 0 && isVisible ) {

                var val = input.val();
                val = val.split( '|' );

                if( val.length > 1 ) {
                    value = val[1];
                } else {
                    value = input.val();
                }

            }

            var numberFormat = gf_global.number_formats[formId][fieldId];
            if( ! numberFormat )
                numberFormat = gf_global.number_formats[formId][formulaField.field_id];

            var decimalSeparator = gformGetDecimalSeparator(numberFormat);


            value = gformCleanNumber( value, '', '', decimalSeparator );
            if( ! value )
                value = 0;

            expr = expr.replace( matches[i][0], value );
        }

        return expr;
    }

    this.init(formId, formulaFields);

}

function gformFormatNumber(number, rounding, decimalSeparator, thousandSeparator){

    if(typeof decimalSeparator == "undefined"){
        if(window['gf_global']){
            var currency = new Currency(gf_global.gf_currency_config);
            decimalSeparator = currency.currency["decimal_separator"];
        }
        else{
            decimalSeparator = ".";
        }
    }

    if(typeof thousandSeparator == "undefined"){
        if(window['gf_global']){
            var currency = new Currency(gf_global.gf_currency_config);
            thousandSeparator = currency.currency["thousand_separator"];
        }
        else{
            thousandSeparator = ",";
        }
    }

    var currency = new Currency();
    return currency.numberFormat(number, rounding, decimalSeparator, thousandSeparator, false)
}

function gformToNumber(text) {
    var currency = new Currency(gf_global.gf_currency_config);
    return currency.toNumber(text);
}

function getMatchGroups(expr, patt) {

    var matches = new Array();

    while(patt.test(expr)) {

        var i = matches.length;
        matches[i] = patt.exec(expr)
        expr = expr.replace('' + matches[i][0], '');

    }

    return matches;
}


//----------------------------------------
//------ JAVASCRIPT HOOK FUNCTIONS -------
//----------------------------------------

var gform = {
	hooks: { action: {}, filter: {} },
	addAction: function( action, callable, priority, tag ) {
		gform.addHook( 'action', action, callable, priority, tag );
	},
	addFilter: function( action, callable, priority, tag ) {
		gform.addHook( 'filter', action, callable, priority, tag );
	},
	doAction: function( action ) {
		gform.doHook( 'action', action, arguments );
	},
	applyFilters: function( action ) {
		return gform.doHook( 'filter', action, arguments );
	},
	removeAction: function( action, tag ) {
		gform.removeHook( 'action', action, tag );
	},
	removeFilter: function( action, priority, tag ) {
		gform.removeHook( 'filter', action, priority, tag );
	},
	addHook: function( hookType, action, callable, priority, tag ) {
		if ( undefined == gform.hooks[hookType][action] ) {
			gform.hooks[hookType][action] = [];
		}
		var hooks = gform.hooks[hookType][action];
		if ( undefined == tag ) {
			tag = action + '_' + hooks.length;
		}
		gform.hooks[hookType][action].push( { tag:tag, callable:callable, priority:priority } );
	},
	doHook: function( hookType, action, args ) {

        // splice args from object into array and remove first index which is the hook name
        args = Array.prototype.slice.call(args, 1);

		if ( undefined != gform.hooks[hookType][action] ) {
			var hooks = gform.hooks[hookType][action], hook;
			//sort by priority
			hooks.sort(function(a,b){return a["priority"]-b["priority"]});
			for( var i=0; i<hooks.length; i++) {
                hook = hooks[i].callable;
                if(typeof hook != 'function')
                    hook = window[hook];
				if ( 'action' == hookType ) {
                    hook.apply(null, args);
				} else {
                    args[0] = hook.apply(null, args);
				}
			}
		}
		if ( 'filter'==hookType ) {
			return args[0];
		}
	},
	removeHook: function( hookType, action, priority, tag ) {
		if ( undefined != gform.hooks[hookType][action] ) {
			var hooks = gform.hooks[hookType][action];
			for( var i=hooks.length-1; i>=0; i--) {
				if ((undefined==tag||tag==hooks[i].tag) && (undefined==priority||priority==hooks[i].priority)){
					hooks.splice(i,1);
				}
			}
		}
	}
};


//----------------------------------------
//------ MULTIFILE UPLOAD FUNCTIONS ------
//----------------------------------------

(function (gfMultiFileUploader, $) {
    gfMultiFileUploader.uploaders = {};
    var strings = typeof gform_gravityforms != 'undefined' ? gform_gravityforms.strings : {};
    var imagesUrl = typeof gform_gravityforms != 'undefined' ? gform_gravityforms.vars.images_url : "";

    $(document).ready(function () {
        if((typeof adminpage !== 'undefined' && adminpage === 'toplevel_page_gf_edit_forms')|| typeof plupload == 'undefined'){
            $(".gform_button_select_files").prop("disabled", true);
        } else if (typeof adminpage !== 'undefined'){
            $(".gform_fileupload_multifile").each(function(){
                setup(this);
            });
        } else {
            $(document).bind('gform_post_render', function(e, formID){

                $("form#gform_" + formID + " .gform_fileupload_multifile").each(function(){
                    setup(this);
                });
                var $form = $("form#gform_" + formID);
                if($form.length > 0){
                    $form.submit(function(){
                        var pendingUploads = false;
                        $.each(gfMultiFileUploader.uploaders, function(i, uploader){
                            if(uploader.total.queued>0){
                                pendingUploads = true;
                                return false;
                            }
                        });
                    if(pendingUploads){
                        alert(strings.currently_uploading);
                        window["gf_submitting_" + formID] = false;
                        return false;
                    }
                    });
                }

            });
            $(document).bind("gform_post_conditional_logic", function(e,formID, fields, isInit){
                if(!isInit){
                    $.each(gfMultiFileUploader.uploaders, function(i, uploader){
                        uploader.refresh();
                    });
                }
            });
        }
    });

    function setup(uploadElement){
        var settings = $(uploadElement).data('settings');

        var uploader = new plupload.Uploader(settings);
        formID = uploader.settings.multipart_params.form_id;
        gfMultiFileUploader.uploaders[settings.container] = uploader;
        var formID;
        var uniqueID;

        uploader.bind('Init', function(up, params) {
            if(!up.features.dragdrop)
                $(".gform_drop_instructions").hide();
            var fieldID = up.settings.multipart_params.field_id;
            var maxFiles = parseInt(up.settings.gf_vars.max_files);
            var initFileCount = countFiles(fieldID);
            if(maxFiles > 0 && initFileCount >= maxFiles){
                gfMultiFileUploader.toggleDisabled(up.settings, true);
            }

        });

        gfMultiFileUploader.toggleDisabled = function (settings, disabled){

            var button = typeof settings.browse_button == "string" ? $("#" + settings.browse_button) : $(settings.browse_button);
            button.prop("disabled", disabled);
        }

        function addMessage(messagesID, message){
            $("#" + messagesID).prepend("<li>" + message + "</li>");
        }

        uploader.init();

        uploader.bind('FilesAdded', function(up, files) {
            var max = parseInt(up.settings.gf_vars.max_files),
                fieldID = up.settings.multipart_params.field_id,
                totalCount = countFiles(fieldID),
                disallowed = up.settings.gf_vars.disallowed_extensions,
                extension;

            if( max > 0 && totalCount >= max){
                $.each(files, function(i, file) {
                    up.removeFile(file);
                    return;
                })
                return;
            }
            $.each(files, function(i, file) {

                extension = file.name.split('.').pop();

                if($.inArray(extension, disallowed) > -1){
                    addMessage(up.settings.gf_vars.message_id, file.name + " - " + strings.illegal_extension);
                    up.removeFile(file);
                    return;
                }

                if ((file.status == plupload.FAILED) || (max > 0 && totalCount >= max)){
                    up.removeFile(file);
                    return;
                }

                var size = typeof file.size !== 'undefined' ? plupload.formatSize(file.size) : strings.in_progress;
                var status = '<div id="'
                    + file.id
                    + '" class="ginput_preview">'
                    + file.name
                    + ' (' + size + ') <b></b> '
                    + '<a href="javascript:void(0)" title="' + strings.cancel_upload + '" onclick=\'$this=jQuery(this); var uploader = gfMultiFileUploader.uploaders.' + up.settings.container + ';uploader.stop();uploader.removeFile(uploader.getFile("' + file.id +'"));$this.after("' + strings.cancelled + '"); uploader.start();$this.remove();\'>' + strings.cancel + '</a>'
                    + '</div>';
                $('#' + up.settings.filelist).prepend(status);
                totalCount++;

            });

            up.refresh(); // Reposition Flash

            var formElementID = "form#gform_" + formID;
            var uidElementID = "input:hidden[name='gform_unique_id']";
            var uidSelector = formElementID + " " + uidElementID;
            var $uid = $(uidSelector);
            if($uid.length==0){
                $uid = $(uidElementID);
            }

            uniqueID = $uid.val();
            if('' === uniqueID){
                uniqueID = generateUniqueID();
                $uid.val(uniqueID);
            }

            if(max > 0 && totalCount >= max){
                addMessage(up.settings.gf_vars.message_id, strings.max_reached)
                gfMultiFileUploader.toggleDisabled(up.settings, true);
            }

            up.settings.multipart_params.gform_unique_id = uniqueID;
            up.start();

        });

        uploader.bind('UploadProgress', function(up, file) {
            var html = file.percent + "%";
            $('#' + file.id + " b").html(html);
        });

        uploader.bind('Error', function(up, err) {
            if(err.code === plupload.FILE_EXTENSION_ERROR){
                var extensions = typeof up.settings.filters.mime_types != 'undefined' ? up.settings.filters.mime_types[0].extensions /* plupoad 2 */ : up.settings.filters[0].extensions;
                addMessage(up.settings.gf_vars.message_id, err.file.name + " - " + strings.invalid_file_extension + " " + extensions);
            } else if (err.code === plupload.FILE_SIZE_ERROR) {
                addMessage(up.settings.gf_vars.message_id, err.file.name + " - " + strings.file_exceeds_limit);
            } else {
                var m = "<li>Error: " + err.code +
                    ", Message: " + err.message +
                    (err.file ? ", File: " + err.file.name : "") +
                    "</li>";

				addMessage(up.settings.gf_vars.message_id, m);
            }
			$('#' + err.file.id ).html('');

            up.refresh(); // Reposition Flash
        });

        uploader.bind('FileUploaded', function(up, file, result) {
            var response = $.secureEvalJSON(result.response);
            if(response.status == "error"){
				addMessage(up.settings.gf_vars.message_id, file.name + " - " + response.error.message);
				$('#' + file.id ).html('');
				return;
            }

            var html = '<strong>' + file.name + '</strong>';
            var formId = up.settings.multipart_params.form_id;
            var fieldId = up.settings.multipart_params.field_id;
            html = "<img "
                + "class='gform_delete' "
                + "src='" + imagesUrl + "/delete.png' "
                + "onclick='gformDeleteUploadedFile(" + formId + "," + fieldId + ", this);' "
                + "alt='"+ strings.delete_file + "' "
                + "title='" + strings.delete_file
                + "' /> "
                + html;

            $('#' + file.id ).html(html);

            var fieldID = up.settings.multipart_params["field_id"];

            if(file.percent == 100){
                if(response.status && response.status == 'ok'){
                    addFile(fieldID, response.data);
                }  else {
                    addMessage(up.settings.gf_vars.message_id, strings.unknown_error);
                }
            }

        });



        function getAllFiles(){
            var selector = '#gform_uploaded_files_' + formID,
                $uploadedFiles = $(selector), files;
            files = $uploadedFiles.val();
            files = '' === files ? {} : $.parseJSON(files);
            return files;
        }

        function getFiles(fieldID){
            var allFiles = getAllFiles();
            var inputName = getInputName(fieldID);

            if(typeof allFiles[inputName] == 'undefined')
                allFiles[inputName] = [];
            return allFiles[inputName];
        }

        function countFiles(fieldID){
            var files = getFiles(fieldID);
            return files.length;
        }

        function addFile(fieldID, fileInfo){

            var files = getFiles(fieldID);

            files.unshift(fileInfo);
            setUploadedFiles(fieldID, files);
        }

        function setUploadedFiles(fieldID, files){
            var allFiles = getAllFiles();
            var $uploadedFiles = $('#gform_uploaded_files_' + formID);
            var inputName = getInputName(fieldID);
            allFiles[inputName] = files;
            $uploadedFiles.val($.toJSON(allFiles));
        }

        function getInputName(fieldID){
            return "input_" + fieldID;
        }

        // fixes drag and drop in IE10
        $("#" + settings.drop_element).on({
            "dragenter": ignoreDrag,
            "dragover": ignoreDrag
        });

        function ignoreDrag( e ) {
            e.preventDefault();
        }
    }


    function generateUniqueID() {
        return 'xxxxxxxx'.replace(/[xy]/g, function (c) {
            var r = Math.random() * 16 | 0, v = c == 'x' ? r : r & 0x3 | 0x8;
            return v.toString(16);
        });
    }


}(window.gfMultiFileUploader = window.gfMultiFileUploader || {}, jQuery));



//----------------------------------------
//------ GENERAL FUNCTIONS -------
//----------------------------------------

function gformInitSpinner( formId, spinnerUrl ) {

    if( typeof spinnerUrl == 'undefined' || ! spinnerUrl )
        spinnerUrl = gform.applyFilters( "gform_spinner_url", gf_global.spinnerUrl, formId );

	jQuery('#gform_' + formId).submit(function () {
		if (jQuery('#gform_ajax_spinner_' + formId).length == 0) {
			jQuery('#gform_submit_button_' + formId + ', #gform_wrapper_' + formId + ' .gform_next_button')
				.after('<img id="gform_ajax_spinner_' + formId + '"  class="gform_ajax_spinner" src="' + spinnerUrl + '" alt="" />');
		}
	});

}



/*============================================
		    Stripe - Front-end
==============================================*/

window.GFStripe = null;

(function($){

    GFStripe = function( args ) {

        for( var prop in args ) {
            if( args.hasOwnProperty( prop ) )
                this[prop] = args[prop];
        }

        this.form = null;

        this.init = function() {

            if( ! this.isCreditCardOnPage() )
                return;

            var GFStripeObj = this;
            Stripe.setPublishableKey( this.apiKey );

            // initialize spinner
            if( ! this.isAjax )
                gformInitSpinner( this.formId );

            // bind Stripe functionality to submit event
            $( '#gform_' + this.formId ).submit( function( event ){
                event.preventDefault();

                var form = $(this),
                    ccInputPrefix = 'input_' + GFStripeObj.formId + '_' + GFStripeObj.ccFieldId + '_',
                    cc = {
                        number:     form.find( '#' + ccInputPrefix + '1' ).val(),
                        exp_month:  form.find( '#' + ccInputPrefix + '2_month' ).val(),
                        exp_year:   form.find( '#' + ccInputPrefix + '2_year' ).val(),
                        cvc:        form.find( '#' + ccInputPrefix + '3' ).val(),
                        name:       form.find( '#' + ccInputPrefix + '5').val()
                    };

                GFStripeObj.form = form;

                Stripe.card.createToken( cc, function( status, response ) {
                    GFStripeObj.responseHandler( status, response );
                } );

            } );

        };

        this.responseHandler = function( status, response ) {

            var form = this.form,
                ccInputPrefix = 'input_' + this.formId + '_' + this.ccFieldId + '_',
                ccInputSuffixes = [ '1', '2_month', '2_year', '3', '5' ],
                cardType = false;

            // remove "name" attribute from credit card inputs
            for( var i = 0; i < ccInputSuffixes.length; i++ ) {

                var input = form.find( '#' + ccInputPrefix + ccInputSuffixes[i] );

                if( ccInputSuffixes[i] == '1' ) {

                    var ccNumber = $.trim( input.val() ),
                        cardType = gformFindCardType( ccNumber );

                    if( typeof this.cardLabels[cardType] != 'undefined' )
                        cardType = this.cardLabels[cardType];

                    form.append( $( '<input type="hidden" name="stripe_credit_card_last_four" />' ).val( ccNumber.slice( -4 ) ) );
                    form.append( $( '<input type="hidden" name="stripe_credit_card_type" />' ).val( cardType ) );

                }

                input.attr( 'name', null );

            }

            // append stripe.js response
            form.append( $( '<input type="hidden" name="stripe_response" />' ).val( $.toJSON( response ) ) );

            // submit the form
            form.get(0).submit();

        }

        this.isLastPage = function() {

            var targetPageInput = $( '#gform_target_page_number_' + this.formId );
            if( targetPageInput.length > 0 )
                return targetPageInput.val() == 0;

            return true;
        }

        this.isCreditCardOnPage = function() {

            var currentPage = this.getCurrentPageNumber();

            // if current page is false or no credit card page number, assume this is not a multi-page form
            if( ! this.ccPage || ! currentPage )
                return true;

            return this.ccPage == currentPage;
        }

        this.getCurrentPageNumber = function() {
            var currentPageInput = $( '#gform_source_page_number_' + this.formId );
            return currentPageInput.length > 0 ? currentPageInput.val() : false;
        }

        this.init();

    }

})(jQuery);