var arrQSParts = new Array();
var strAffName;

function setupCookie() {
	getValsFromQuerystring();
	strAffName = checkCookie("aId", arrQSParts["aId"]);
}

function getValsFromQuerystring() {
	var strUrl = window.location.toString();
	var urlParts = strUrl.split("?");
	var qsParts = new Array();
	var keyValuePairs = new Array();
	
	var qs = urlParts[1];
	
	if (qs.indexOf('&') >= 0) {
		keyValuePairs = qs.split('&');

		for (var i=0 ; i < keyValuePairs.length ; i++){
			qsParts = keyValuePairs[i].split('=');
			arrQSParts[qsParts[0]] = qsParts[1];
		}

	}else{
		qsParts = qs.split('=');
		arrQSParts[qsParts[0]] = qsParts[1];
	}	
}

function setCookie(c_name,value,expiredays)
{var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function checkCookie(c_name, strAffCode)
{
var affName=getCookie(c_name);

if (affName!=null && affName!="")
{
	return affName;
}
else 
{
if (strAffCode!=null && strAffCode!="")
{
setCookie(c_name,strAffCode,7);
} 
}
	return "";
}