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function GetURLParameter(sParam) {
		var sPageURL = window.location.search.substring(1);
		var sURLVariables = sPageURL.split('&');
		for (var i = 0; i < sURLVariables.length; i++) {
			var sParameterName = sURLVariables[i].split('=');
			if (sParameterName[0] == sParam) {
				return sParameterName[1];
			}
		}
	}