if (navigator.appVersion.indexOf("2.") != -1)
	{
	check = false;
	}
	if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1))
	{
		check = false;
		}
	else {
		check = true;
		}
	if (check == true){
		
		image1 = new Image();
		image1.src = "images/menu_home.gif";
		image1on = new Image();
		image1on.src = "images/menu_homeon.gif";
		image1stay = new Image();
		image1stay.src = "images/menu_homeon.gif";
	
		image2 = new Image();
		image2.src = "images/menu_aboutus.gif";
		image2on = new Image();
		image2on.src = "images/menu_aboutuson.gif";
		image2stay = new Image();
		image2stay.src = "images/menu_aboutuson.gif";
		
		image3 = new Image();
		image3.src = "images/menu_contact.gif";
		image3on = new Image();
		image3on.src = "images/menu_contacton.gif";
		image3stay = new Image();
		image3stay.src = "images/menu_contacton.gif";
		
		image4 = new Image();
		image4.src = "images/menu_news.gif";
		image4on = new Image();
		image4on.src = "images/menu_newson.gif";
		image4stay = new Image();
		image4stay.src = "images/menu_newson.gif";
		
		image5 = new Image();
		image5.src = "images/menu_log.gif";
		image5on = new Image();
		image5on.src = "images/menu_logon.gif";
		image5stay = new Image();
		image5stay.src = "images/menu_logon.gif";
	
	}
	
	imageStay = ""
	
	function imageon(name){
		if (imageStay != name){
	        	document[name].src = eval(name + "on.src");
		}
	}
	function imageoff(name){
		if (imageStay != name){
	        	document[name].src = eval(name + ".src");
		}
	}
	
	function on(name){
	        if (check == true){
		imageon(name);
		}
	}
	function off(name){
	        if (check == true){
		imageoff(name);
		}
	}
	
	function stay(name){
		if (check == true){
		document[name].src = eval(name + "stay.src");
		if (imageStay != name){
			if (imageStay != ""){
				document[imageStay].src = eval(imageStay + ".src");
			}
		}
		imageStay = name
		}
	}