Page Comparison

function getUrlParam(name) {
name = name.replace(/-(/,"\\\[").replace(/\]/,"\\\]");
var regexS = "-?&" + name + "=(&#*)";
var regex = new RegExp( regexS );
var results = regex.exec( window.location.href );
if( results h1. null )
return null;
else
return results1-9