function ieHover()
{
	var nav = document.getElementById("navigation");
	if (nav)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i=0; i<nodes.length; i++)
		{
			nodes[i].onmouseover = function() 
			{
				this.className += " hover";
			}
			nodes[i].onmouseout = function()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}

if (window.attachEvent && !window.opera){
	window.attachEvent("onload", ieHover);
}

// Preload the sub-nav images.
var subBg = new Image();
var subStar = new Image();
subBg.src = '../images/bg-sub-navigation.png';
subStar.src = '../images/bg-sub-navigation-star.gif';