var zUKey = "zift-user";
var zLD = new Date();
if (!zTV) var zTV = new Array();
var iL = true;
var iU = true;
var zDBG = false;

function zATV(id) {
	zTV.push(id);
}

function zUUKey() {
	return (zLD.getTime()) + 1 + Math.floor((Math.random()*5000));
}

function zGU() {
	var zU = zRC(zUKey);
	if (zU == undefined || !zU) {
		var zUHex = zUUKey();
		zTC(zUKey, zUHex);
		return zUHex;
	}
	return zU;
}

function zTC(name,value,days) {
	if (!days) days = 30;
	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 zRC(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 null;
}

function zAI(zUrl) {
	var i = document.createElement("img");
	i.src = zUrl;
	document.body.appendChild(i);
	if (!zDBG) document.body.removeChild(i);	
}

function zTrkO() {
	if (iL) {
		for (i = 0; i < zTV.length; i++) {
			zTV[i].loadTime = new Date().getTime();
			var url = zTV[i].host + 'action/wvt.html?id=' + zTV[i].id + '&clid=' + zTV[i].client + '&u=' + zGU() + '&ekey=' + zEK() + '&i=true';
			zAI(url);
		}  
		iL = false;
	}
}

function zTrkU() {
	if (iU) {
		for (i = 0; i < zTV.length; i++) {
			var duration = (new Date().getTime() - zTV[i].loadTime) / 1000;
			var url = zTV[i].host + 'action/wvt.html?id=' + zTV[i].id + '&clid=' + zTV[i].client + '&u=' + zGU() + '&ekey=' + zEK() + '&i=true&duration=' + duration;
			zAI(url);
		}  
		iU = false;
	}
}

function zTrkClick(elem, wid, cid, clid, link) {
	if (elem.href || link) {
		try {
		var tb = elem.href;
		if (link) tb = link;
		var url = zTS + 'action/wct.html?id=' + wid + '&clid=' + clid + '&cid=' + cid + '&u=' + zGU() + '&ekey=' + zEK() + '&i=true&url=' + escape(tb);
		zAI(url);
		} catch (err) {};
	}
}


function zAOL(func) {
	var o = window.onload; 
	if (typeof window.onload != 'function') { 
		window.onload = func; 
	} else { 
		window.onload = function() { if (o) { o(); } func(); }
	}
}

function zAUL(func) {
	var o = window.onunload; 
	if (typeof window.onload != 'function') { 
		window.onunload = func; 
	} else { 
		window.onunload = function() { if (o) { o(); } func(); }
	}
}
function zEK() {
	var ekey = "";
	try {
		if (zPanel && zPanel != null)
			ekey = zPanel.getEmailKey();
		if (ekey == "") {
			var ek = zQSV("CakeUUID");
			if (ek != null && ek != "" && ek.indexOf("[mailing_id]") == -1)
				ekey = ek;
		}
		if (ekey == "") {
			var ek = zRC("emailkey");
			if (ek != null && ek != "")
				ekey = ek;
		}
	} catch (exception) {
	}
	return ekey;
}
function zQSV(param) {
	var q=document.location.search.substring(1);
	if (q.length > 0){
		var params=q.split('&');
		for (var i=0 ; i<params.length ; i++){
            var pos = params[i].indexOf('=');
            var name = params[i].substring(0, pos);
            var value = params[i].substring(pos + 1);
            if (name == param) {
            	return value;
            	break;
            }
		}
	}
	return null
}