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();
		var buttonon_3 = new Image();
		var buttonon_4 = new Image();
		var buttonon_5 = new Image();
               

		buttonon_1.src = "../intro/images/home_bttn_on.jpg";
		buttonon_2.src = "../intro/images/intro_bttn_on.jpg";
		buttonon_3.src = "../intro/images/pro_bttn_on.jpg";
		buttonon_4.src = "../intro/images/enq_bttn_on.jpg";
		buttonon_5.src = "../intro/images/icon_portal1.gif";
               
	
		var buttonoff_1 = new Image();
		var buttonoff_2 = new Image();
		var buttonoff_3 = new Image();
		var buttonoff_4 = new Image();
                var buttonoff_5 = new Image();
                
               				
		buttonoff_1.src = "../intro/images/home_bttn_off.jpg";
		buttonoff_2.src = "../intro/images/intro_bttn_off.jpg";
		buttonoff_3.src = "../intro/images/pro_bttn_off.jpg";
		buttonoff_4.src = "../intro/images/enq_bttn_off.jpg";
                buttonoff_5.src = "../intro/images/icon_portal.gif";
               
	
		
	}
	
	function loadimage(imageName, imageObj)
	{
		if (version == "n3")
			document.images[imageName].src = imageObj.src;
			return true;
	}