$(document).ready(function() {
   performAction();
 });

function checkreferer() {
var refName = document.referrer;
var lastparturl = 0;

	if(refName.search("google") != -1) {
	return "ref202";

	} else if(refName.search("yahoo") != -1) {
		return "ref203";
	
		} else if(refName.search("bing") != -1) {
			return "ref204";
		
			} else if(refName.search("britishgas") != -1) {
			return "ref201";
		
			} else {
				return "ref300";
			
				} 
}

function saveDataJquery(paramvalue){

	$.post("/BGBOnline/leadTracker.htm", { searchEngine: paramvalue} );

}

function get(parameter){
var p = escape(unescape(parameter));
var regex = new RegExp("[?&]" + p + "(?:=([^&]*))?","i");
var match = regex.exec(window.location.search);
var value = null;
if( match != null ){
value = match[1];
}

return value;
}



function performAction()
{
paramvalue = get('WT.mc_id');
	if(paramvalue != null)
	{
		saveDataJquery(paramvalue);
	} else {
		refName = checkreferer();
		saveDataJquery(refName);
	}
}