function GetQuerystring(name)
{
	var strQry = window.location.search;
	if (strQry.length > 1)
	{
		strQry = strQry.substr(1, strQry.length);
		var arrQry = strQry.split("&");
		for (var i = 0; i < arrQry.length; i++)
		{
			var arrKeyVal = arrQry[i].split("=");
			if (arrKeyVal[0] == name)
			{
				return unescape(arrKeyVal[1]);
			}
		}
	}
	return null;
}