var _kd = document;
var _kdlh = _kd.location.href;
var _ki, _kq, _kv;
var _kwtlForm;
var _kretURL;
var _kwtlOnSubmit;
var _koid;

function __krand() {
	return Math.round(Math.random() * 256).toString(16) + Math.round(Math.random() * 256).toString(16);
}

function __kuuid() {
	return __krand() + "-" + __krand() + "-" + __krand() + "-" + __krand() + new Date().getTime().toString(16);
}

function __kinit() {
	var q;
	var d = __kgetCookieDomain();
	var hasTrackingInfo = _kdlh.indexOf('&_kt=') != -1 || _kdlh.indexOf('?_kt=') != -1;
	if (_kd.cookie.indexOf('__kti') == -1 || hasTrackingInfo) {
		_kv = new Date().getTime() + ',' + encodeURIComponent(_kdlh) + ',' + encodeURIComponent(_kd.referrer);
		_kd.cookie = "__kti=" + _kv + "; path=/; expires=Sun, 18 Jan 2038 00:00:00 GMT;" + (d == null ? "" : " domain=" + d)
	}

	if (_kd.cookie.indexOf('__kts') == -1 || hasTrackingInfo) {
		_kv = new Date().getTime() + ',' + encodeURIComponent(_kdlh) + ',' + encodeURIComponent(_kd.referrer);
		_kd.cookie = "__kts=" + _kv + "; path=/;" + (d == null ? "" : " domain=" + d)
		q = "/" + encodeURIComponent(_kd.referrer);
	}

	if (_kd.cookie.indexOf('__ktv') == -1) {
		_kd.cookie = "__ktv=" + __kuuid() + "; path=/; expires=Sun, 18 Jan 2038 00:00:00 GMT;" + (d == null ? "" : " domain=" + d)
	}

	if (_kd.cookie.indexOf('__ktt') == -1) {
		_kd.cookie = "__ktt=" + __kuuid() + "; path=/;" + (d == null ? "" : " domain=" + d)
	}
}

function __kgetCookieDomain() {
	// top level domain suffixes that are usually found immediately after the domain name (e.g. www.google.co.uk)
	var domainSuffixes = "aero;arpa;biz;cat;co;coop;com;edu;gov;info;int;jobs;mil;mobi;museum;name;net;org;pro;travel;";
	var domain = document.domain;
	var temp = domain.split('.');
	if ((/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/).test(domain)) {
		return domain;
	} else if (temp.length == 1) {
		return null;
	} else {
		var d = "";
		var i = 0;
		while (i < 2) {
			i++;
			var suffix = temp[temp.length - i];
			d = suffix + (i > 1 ? "." : "") + d;
			if (domainSuffixes.indexOf(suffix + ";") != -1) {
				d = temp[temp.length - i - 1] + "." + d;
				break;
			}
		}
		return d;
	}
}

/**
*  splits the cookie into its constituent pieces
*/
function __kvalueOf(name) {
	var cs = _kd.cookie.split(';');
	for (_ki = 0; _ki < cs.length; _ki++) {
		var index = cs[_ki].indexOf(name);
		if (index != -1) {
			_kv = cs[_ki].substring(index + 6);
			return _kv.split(',');
		}
	}

	return '';
}

function __koid(form, customForm) {
	var fields = form.elements;
	for (var fieldIndex = 0; fieldIndex < fields.length; fieldIndex++) {
		var field = fields[fieldIndex];
		var name = field.getAttribute('name');

		if ((!customForm && name == 'oid') || (customForm && name == 'sfga')) {
			return field.value;
		}
	}

	return '';
}

function __kpackValues(customForm) {
	var query = '';
	var fields = _kwtlForm.elements;
	var regexp = /[0-9]/;
	for (var fieldIndex = 0; fieldIndex < fields.length; fieldIndex++) {
		var field = fields[fieldIndex];
		var name = field.getAttribute('name');

		// standard salesforce wtl
		if (name == 'debug' && field.value == '1') {
			// this is a debug page, leave it alone
			return true;

		} else if (name && !customForm && (regexp.exec(name) || "description" == name.toLocaleLowerCase())) {
			// ignore custom fields from standard

		} else if (name && ((name != 'retURL' && name != 'submit' && name != 'oid') || customForm)) {
			if (field.value) {
				var value = encodeURIComponent(field.value);
				query += encodeURIComponent(name) + '=' + value + '&';
			}
		}
	}
	return query;
}

function __kpackInfo(form, customForm) {
	var values = __kvalueOf('__kti=');
	var _ti = values[0] ? values[0] : '';
	var _li = values[1] ? values[1] : '';
	// landing page
	var _ri = values[2] ? values[2] : '';
	// referrer
	values = __kvalueOf('__kts=');
	var _ts = values[0] ? values[0] : '';
	var _ls = values[1] ? values[1] : '';
	// landing page
	var _rs = values[2] ? values[2] : '';

	var info = 't=' + _ti + '&r=' + _ri + '&l=' + _li + '&oid=' + __koid(form, customForm) + "&ts=" + _ts + "&ls=" + _ls + "&rs=" + _rs;
	info += '&url=' + _kurl();
	if (customForm) {
		var method = typeof (form.method) == 'string' ? form.method : form.getAttribute('method');
		info += '&customForm=true&method=' + encodeURIComponent(method) + '&retURL=' + encodeURIComponent(__kgetAction(form));
	} else if (_kretURL) {
		info += '&customForm=false&retURL=' + encodeURIComponent(_kretURL.value);
	}

	return info;
}

function _kurl() {
	var url = _kdlh;
	var index = url.indexOf('?');
	if (index > 0) {
		url = url.substring(0, index);
	}
	return encodeURIComponent(url);
}

function __kgetSfgaField(form) {
	var fields = form.elements;
	for (var fieldIndex = 0; fieldIndex < fields.length; fieldIndex++) {
		var field = fields[fieldIndex];
		var name = field.getAttribute('name');

		if (name == 'sfga') {
			return field;
		}
	}

	return undefined;
}

function __kgetSFAction(form) {
	// referrer
	var url = 'http://lct.salesforce.com'
	if (_kdlh.toLowerCase().indexOf("https://") == 0) {
		url = 'https://lct.salesforce.com'
	}
	url += '/sfga';
	return url;
}

function __kgetAction(form) {
	return typeof (form.action) == 'string' ? form.action : form.getAttribute("action")
}

/**
* submit form for processing
*/
function __konSubmit(event) {
	try {
		if (_kwtlOnSubmit && _kwtlOnSubmit(event) == false) { // very important that this is == false rather than !
			return false;
		}
	} catch (error) { }

	var url = __kgetSFAction(_kwtlForm);
	var customForm = false; // we know we're a standard wtl, so this is always false
	var values = __kpackValues(customForm);
	url += '?q=' + encodeURIComponent(values) + '&' + __kpackInfo(_kwtlForm, customForm);


	// If the retUrl exceeds the IE URL length limit of 2083, a standard form submission will break because
	// W2L does a GET to the retURL.  So, we "rewrite" this submission as a custom form submission.  
	if (encodeURIComponent(url).length > 2083) {
		// even though customers are not instructed to put the "sfga" field on standard forms,
		// we expect that some may do it anyway 
		var sfga = __kgetSfgaField(_kwtlForm);

		//if the sfga field does not exist, put it in the standard form so we can treat it like a custom form
		if (!sfga) {
			sfga = document.createElement("input");
			sfga.type = "hidden";
			sfga.id = "sfga";
			sfga.name = "sfga";
			sfga.value = _koid.value;
			_kwtlForm.appendChild(sfga);
		}

		sfga.value = __kpackInfo(_kwtlForm, true);

		//_kpackInfo requires the current action, so setting the action should happen in the end.
		_kwtlForm.action = __kgetSFAction(_kwtlForm);
	} else {
		_kretURL.value = url;
	}

	return true;
}

function __kfindWTL() {
	var forms = document.forms;
	for (var index = 0; index < forms.length; index++) {
		var form = forms[index];
		var action = form.getAttribute('action');
		if (action && action.indexOf && (action.indexOf('http://www.salesforce.com/servlet/servlet.WebToLead') != -1 || action.indexOf('https://www.salesforce.com/servlet/servlet.WebToLead') != -1)) {
			for (var eIndex = 0; eIndex < form.length; eIndex++) {
				if (form.elements[eIndex].name == 'retURL') {
					_kretURL = form.elements[eIndex];
				}

				if (form.elements[eIndex].name == 'oid') {

					_koid = form.elements[eIndex];

				}

			}

			var customForm = false;
			__kSetupForm(form, customForm);
			break;
		}
	}

	if (!_kwtlForm) {
		for (var i = 0; i < forms.length; i++) {
			var form = forms[i];
			for (var j = 0; j < form.elements.length; j++) {
				var input = form.elements[j];
				if (input.name == 'sfga') {
					var customForm = true;
					__kSetupForm(form, customForm);
					break;
				}
			}
		}
	}
}

function __kSetupForm(form, customForm) {
	if (customForm) {
		var sfga = __kgetSfgaField(form);
		sfga.value = __kpackInfo(form, customForm);
		//form.setAttribute('action', __kgetSFAction(form)); //Modification SL 2010-3-13
		//console.log(form);
	} else {
		_kwtlForm = form;
		if (form.onsubmit != undefined) {
			var expr = "_kwtlOnSubmit = " + form.onsubmit.toString().replace(/this\s*([\)\.])/, '_kwtlForm$1');
			eval(expr);
		}
		form.onsubmit = __konSubmit;
	}
}

function __sfga() {
	__kinit();
	__kfindWTL();
}


//alert(document.forms[0].action);