window.onerror=null;

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);


        if(browserName=="Netscape" || "Microsoft Internet Explorer" && browserVer > 3.02) ver = "yes";  else ver = "no";
        if(ver == "yes") {      
		
		home1 = new Image(); home1.src = "images/home_but1.gif";
        home2 = new Image(); home2.src = "images/home_but2.gif";  //function

    	about1 = new Image(); about1.src = "images/about_but1.gif";
        about2 = new Image(); about2.src = "images/about_but2.gif";

		photo1 = new Image(); photo1.src = "images/photos_but1.gif";
        photo2 = new Image(); photo2.src = "images/photos_but2.gif";  //function

		equip1 = new Image(); equip1.src = "images/equipment_but1.gif";
        equip2 = new Image(); equip2.src = "images/equipment_but2.gif";  

    	client1 = new Image(); client1.src = "images/clients_but1.gif";
        client2 = new Image(); client2.src = "images/clients_but2.gif"; 

		sound1 = new Image(); sound1.src = "images/sounds_but1.gif";
        sound2 = new Image(); sound2.src = "images/sounds_but2.gif";
		
        vid1 = new Image(); vid1.src = "images/videos_but1.gif";
        vid2 = new Image(); vid2.src = "images/videos_but2.gif";
		
	   	dev1 = new Image(); dev1.src = "images/development_but1.gif";
        dev2 = new Image(); dev2.src = "images/development_but2.gif"; 
		
	   	works1 = new Image(); works1.src = "images/works_but1.gif";
        works2 = new Image(); works2.src = "images/works_but2.gif"; 
		
		links1 = new Image(); links1.src = "images/links_but1.gif";
        links2 = new Image(); links2.src = "images/links_but2.gif";
		
        cont1 = new Image(); cont1.src = "images/contact_but1.gif";
        cont2 = new Image(); cont2.src = "images/contact_but2.gif";		
        }
function inactive(imgName){
        if (ver == "yes")  {
        img1 = eval(imgName + "1.src");
        document [imgName].src = img1;
        }
	}

function active(imgName){
        if (ver == "yes")  {
        img2 = eval(imgName + "2.src");
        document [imgName].src = img2;
        }
	}