//<![CDATA[
	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;
	}
//]]>

//<![CDATA[
	function MVTGetRef(str)
	{
		if(document.all)
			return document.all[str];
		else
			return document.getElementById(str);
	}

	function MVTSetClass(strObjName, strClass)
	{
		var obj = MVTGetRef(strObjName);
		if(obj != null && typeof(obj) + "" != "undefined")
			obj.className = strClass;
		var obj = MVTGetRef(strObjName + "_second");
		if(obj != null && typeof(obj) + "" != "undefined")
			obj.className = strClass;
	}
//]]>