// Follwoing two fuctions required for cookie creation and reading.
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 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())+",path=/;";
}


// get the current URL
 var url = window.top.location.toString();
 //get the parameters
 url.match(/\?(.+)$/);
 var params = RegExp.$1;
 // split up the query string and store in an
 // associative array
 var params = params.split("&");
 var queryStringList = {};
 
 for(var i=0;i<params.length;i++)
 {
 	var tmp = params[i].split("=");
 	queryStringList[tmp[0]] = unescape(tmp[1]);
 }
 
 // print all querystring in key value pairs
 for(var i in queryStringList) {
 	// Look for specific Variable name
	if (i=="cmp")
	{
	// If found, set the cookie for use during this session.
	var variable01 = i;
	var value01 = queryStringList[i];
	setCookie(variable01,value01,1);
	//document.write(variable01+"="+value01);
	}
}