function MHGetRef(str)
	{
		if(document.all)
			return document.all[str];
		else
			return document.getElementById(str);
	}

	function MHSwitchImage(strID, strFileName)
	{
		var obj = MHGetRef(strID);
		if(obj == null || obj + "" == "undefined") return;
		obj.src = strFileName;
	}
		function MHGetRef(str)
	{
		if(document.all)
			return document.all[str];
		else
			return document.getElementById(str);
	}

	function MHSwitchImage(strID, strFileName)
	{
		var obj = MHGetRef(strID);
		if(obj == null || obj + "" == "undefined") return;
		obj.src = strFileName;
	}