// JavaScript Document

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 null;
}

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


cid=s.getQueryParam("cid");
aid=s.getQueryParam("aid");
source=s.getQueryParam("source");
c_cid=readCookie("cid");
c_aid=readCookie("aid");
c_source=readCookie("source");
omnitureCampaignString = "";
cartParameters = "";

if (cid != "" && cid!=null) {
	cartParameters = cartParameters + "cid=" + cid + '&';
	omnitureCampaignString = omnitureCampaignString + '_cid-' + cid;
	createCookie('cid', cid);
} else {
	if (c_cid != "" && c_cid!=null) {
		cartParameters = cartParameters + "cid=" + c_cid + '&';
		omnitureCampaignString = omnitureCampaignString + '_cid-' + c_cid;
	}
}

if (aid != "" && aid!=null) {
	cartParameters = cartParameters + "aid=" + aid + '&';
	omnitureCampaignString = omnitureCampaignString + '_aid-' + aid;
	createCookie('aid', aid);
} else {
	if (c_aid != "" && c_aid!=null) {
		cartParameters = cartParameters + "aid=" + c_aid + '&';
		omnitureCampaignString = omnitureCampaignString + '_aid-' + c_aid;
	}
}

if (source != "" && source!=null) {
	cartParameters = cartParameters + "source=" + source + '&';
	omnitureCampaignString = omnitureCampaignString + '_source-' + source;
	createCookie('source', source);
} else {
	if (c_source != "" && c_source!=null) {
		cartParameters = cartParameters + "source=" + c_source + '&';
		omnitureCampaignString = omnitureCampaignString + '_source-' + c_source;
	}
}

if (omnitureCampaignString!="") {
	s.campaign = omnitureCampaignString;
}