// browser test:   
browserName = navigator.appName;   
browserVer = parseInt(navigator.appVersion);   
if (browserName == "Netscape" && browserVer >=3)       
	version = 1;
else if (browserName == "Microsoft Internet Explorer" && browserVer >=4)      
	version = 2;   
else if (browserName == "Microsoft Internet Explorer" && browserVer <= 3)      
	version = 3;   
else version = 4;

// preload images:
if (version <= 2) 
{   
	eyeback1 = new Image(80,65);   
	eyeback1.src = "graphics/back1.gif";   

	eyeback2 = new Image(80,65);   
	eyeback2.src = "graphics/back2.gif";   

	eyefor1 = new Image(80,65);
	eyefor1.src = "graphics/for1.gif";    

	eyefor2 = new Image(80,65);
	eyefor2.src = "graphics/for2.gif";
}

// Magic button hiliting
function hiLite(imgDocID,imgObjName) 
{   
	if (version<= 2)      
		document.images[imgDocID].src = eval(imgObjName + ".src")
}