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") {      
		
		guitars1 = new Image(); guitars1.src = "images/box_guitars_but1.jpg";
        guitars2 = new Image(); guitars2.src = "images/box_guitars_but2.jpg";  //function

    	amps1 = new Image(); amps1.src = "images/box_amps_but1.jpg";
        amps2 = new Image(); amps2.src = "images/box_amps_but2.jpg";

		pedals1 = new Image(); pedals1.src = "images/box_richter_but1.jpg";
        pedals2 = new Image(); pedals2.src = "images/box_richter_but2.jpg";  //function

        }
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;
        }
	}