// Javascript file for Tiger Woods PGA Tour 2001

// BEHIND THE SCENES

// The function to sniff out a browser that can do image-swaps
function getAppVersion()
{
	appname= navigator.appName;
	appversion = navigator.appVersion;
	majorver = appversion.substring(0, 1);
	if ( (appname == "Netscape") && ( majorver >= 3 ) ) return 1;
	if ( (appname == "Microsoft Internet Explorer") && (majorver >= 4) ) return 1;
	return 0;
}

var path = "images/nav/";			
var imageSuffix = ".gif";		
var rollover = "menu";
var list = new Array();

// Preload images
preload("behindthescenes", path, imageSuffix);
preload("pc", path, imageSuffix);
preload("interview", path, imageSuffix);
preload("motioncapture", path, imageSuffix);
preload("strategy", path, imageSuffix);
preload("psx", path, imageSuffix);
preload("ps2", path, imageSuffix);

function preload(name, path, imageSuffix)
 {
		list[name] = new Object();
		list[name].off = new Image();
		list[name].off.src = path + name + ".off" + imageSuffix;
		list[name].hi = new Image();
		list[name].hi.src = path + name + ".hi" + imageSuffix;
		list[name].on = new Image();
		list[name].on.src = path + name + ".on" + imageSuffix;
}

function switchOn(imgName) 
{
	if (document.images)
	 {
		if (document.images[rollover]) 
		{
			document.images[rollover].src = list[rollover].off.src;
		}
		document.images[imgName].src = list[imgName].on.src;
		rollover = imgName;
	}
}

function switchHi(imgName) 
{
	if (document.images) 
	{
		if (imgName != rollover) 
		{
			document [imgName].src = list[imgName].hi.src;
		}
	}
	status = imgName;
}


function switchOff(imgName) 
{
	if (document.images) 
	{
		if (imgName != rollover) 
		{
			document [imgName].src = list[imgName].off.src;
		}
	}
	status = "";
}

function resetAll() 
{
	if (document.images[rollover]) 
	{
		document.images[rollover].src = list[rollover].off.src;
		rollover = "menu";
	}
}

function chgFrame(page)
{
	top.main.location = page;
}