var searchString = window.location.search.substring(1);
var Parameters = new Object();
var nameValuePairs = searchString.split(/&/);
var nameValuePair;
var name;
var value;
var creativeSet = 0;

for (var i = 0; i < nameValuePairs.length; i++) {
    nameValuePair = nameValuePairs[i].split(/=/);
    name = nameValuePair[0];
    value = nameValuePair[1];
    name = name.toLowerCase();
    if (name == "refer"){
		if (typeof(value)!="undefined") {
        	value = value.toUpperCase();
			pathname = location.pathname;
			myDomain = pathname.substring(0,pathname.lastIndexOf('/')) +'/';
			// set expiry date to 30 days from now.
			var largeExpDate = new Date ();
			largeExpDate.setTime(largeExpDate.getTime() + (30 * 24 * 3600 * 1000));
			SetCookie(name,value,largeExpDate,myDomain);
			creativeSet = 1
		}
    }
}


//////////////////functions////////////////////////////////////////////////
function SetCookie (name, value) {
	var argv = SetCookie.arguments;
    var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;    
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) + 
       ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
       ((path == null) ? "" : ("; path=" + path)) +
       ((domain == null) ? "" : ("; domain=" + domain)) +
       ((secure == true) ? "; secure" : "");
}