version = "incompatible";
browserName = navigator.appName;
browserVer  = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) 
version = "ok";
else if (browserName == "Microsoft Internet Explorer" && browserVer > 3) 
version = "ok";

if (version == "ok")
{
photo0=new Image(); photo0.src="images/photo-0.gif";
photo1=new Image(); photo1.src="images/photo-1.gif";
photo2=new Image(); photo2.src="images/photo-1.gif";
photo3=new Image(); photo3.src="images/photo-1.gif";
photo4=new Image(); photo4.src="images/photo-2.gif";
photo5=new Image(); photo5.src="images/photo-2.gif";
}

function img_on(imgNumber)
{
        if (version == "ok") 
        {
        photoSrc = eval("photo" + imgNumber + ".src");
        document.photo.src = photoSrc;
        }
}

function img_off(imgNumber)
{
        if (version == "ok") 
        {
        document.photo.src = photo0.src;
        }
}

function show(name,x,y){
		x = x + 20;
		y = y + 30;
		window.open(name,null,"width="+x+",height="+y+",status=no,toolbar=no,menubar=no,resizable=no,scrollbars=no");
}