/*
*
* 10/10/2008 - craig.wilson@cityindex.co.uk
*
* Whitelabel cookie tracking javascript
*/
var appFormUrl = 'https://www1.applyforanaccount.com/FSB';

 $(document).ready(init);
 
function init()
{
	initCookie();
	var trackingStr = readCookie('tracking');
	appFormUrl += '?'+trackingStr;
	$(".appFormLink").removeAttr("href");	
	$(".appFormLink").click(launchAppFormWindow);	
	$(".appFormIframe").attr({
		src: pageTracker._getLinkerUrl(appFormUrl)+'&PopupWindowMode=false&completionURL=http://www.finspreads.com'
	});
	$(".appFormIframe").load(function() {
		pageTracker._link(''); return false;
	});
}

function launchAppFormWindow()
{
	window.open(pageTracker._getLinkerUrl(appFormUrl),'','width=830,height=720,left=100,top=50,resizable=yes,status=yes,scrollbars=yes');
}


function QueryString()
{
	this.params = {};
	var qs = location.search.substring(1, location.search.length);
	var args = qs.split('&');
	
	for(var i=0; i<args.length; i++)
	{
		var namevaluepair = args[i].split('=');
		var name = decodeURIComponent(namevaluepair[0]);
		var value = (namevaluepair.length==2)
			? decodeURIComponent(namevaluepair[1])
			: name;
			
		this.params[name] = value;
	}
}

QueryString.prototype.get = function(key)
{
	var value = this.params[key];
	return (value != null) ? value : '';
}

function getReferrer()
{
	return ((document.referrer != null) ? document.referrer : '');
}

function buildCookieValue()
{
	var q = new QueryString();
	
	return 'txtWebSourceRef='+q.get('cid')+','+q.get('chl')+q.get('wm')+'&txtWebSourceUrl='+getReferrer();
}

function initCookie()
{
	var fn = new QueryString();
	
	if(((fn.get('wm') != '') | (fn.get('cid') != '') | (fn.get('chl') != '')) && (readCookie('tracking') != ''))
	{
		/* we've seen a previous advert, so create a new cookie*/
		deleteCookie('tracking');
		createCookie('tracking',buildCookieValue(),31);
	}
	else if(((fn.get('wm') != '') | (fn.get('cid') != '') | (fn.get('chl') != '')) && (readCookie('tracking') == ''))
	{
		/* we've not seen a previous advert, so create one from scratch */
		createCookie('tracking',buildCookieValue(),31);
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return '';
}

function deleteCookie(name) {
	createCookie(name,"",-1);
}