/*
Program to fetch value from URL parameter.
Eg: if url is "http://example.com/?name=john&age=22
then getUrlParameter('age') will give you "22".
 */

function getUrlParameter(key) {
	key = key.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
	var regex = new RegExp("[\\?&]" + key + "=([^&#]*)");
	var results = regex.exec(window.location.href);
	if (results == null)
		return "";
	else
		return unescape(results[1]).replace(/<script.*>.*<\/script>/g, "");
}