<!--
browserName = navigator.appName;
	
browserVer = parseInt(navigator.appVersion);	if (browserName == "Netscape" || "Microsoft Internet Explorer" && browserVer >= 3)
	{
		version = "n3";
	}
	else
	{
		version = "n2";
	}
	
	if (version == "n3")
	{
		var buttonon_1 = new Image();
                var buttonon_2 = new Image();
                buttonon_1.src = "images/main_bttn_on.jpg";
                buttonon_2.src = "images/icon_portal1.gif";
		
		var buttonoff_1 = new Image();
		var buttonoff_2 = new Image();
                buttonoff_1.src = "images/main_bttn_off.jpg";
                buttonoff_2.src = "images/icon_portal.gif";

}
	
	function loadimage(imageName, imageObj)
	{
		if (version == "n3")
			document.images[imageName].src = imageObj.src;
			return true;
	}
// -->