var currentWheel = 1;
var wheels = new Array("images/wheel-banner_01.png",
					   "images/wheel-banner_02.png",
					   "images/wheel-banner_03.png",
					   "images/wheel-banner_04.png",
					   "images/wheel-banner_05.png",
					   "images/wheel-banner_06.png",
					   "images/wheel-banner_07.png",
					   "images/wheel-banner_08.png",
					   "images/wheel-banner_09.png",
					   "images/wheel-banner_10.png");

function preloadImages()
{
	if (document.images)
	{
		preload_image = new Image();
		for(i=0; i<wheels.length; i++) 
			preload_image.src = wheels[i];
	}
}

function swapWheel(number)
{
	if(number < 1 || number > wheels.length || number == currentWheel)
		return;
	banner = document.getElementById("wheelBanner");
	banner.src = wheels[number-1];
	currentWheel = number;
}

function popupWheel()
{
	width = 600;
	height = 350;
	
	if(currentWheel > 5)
		width = 875;
	
	url = "wheels/wheel_"+currentWheel+".html";
	popup = window.open(url, 'wheelPopup', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+width+',height='+height);
}