// Remove hilighting from TV categories images
function restoreImgs()
{
	var imgs = document.getElementsByTagName("img");
	for (i = 0; i < imgs.length; i++)
	{
		if (imgs[i].className == "clsHilite")
			imgs[i].style.display = "none";
		else if (imgs[i].className == "clsNormal")
			imgs[i].style.display = "";
	}
}

// Hilights the passed TV category image on mouse over
function hiliteImg(imgEl)
{
	restoreImgs();
	var hiliteEl = null;
	var childNodes = imgEl.parentNode.childNodes;
	for (i = 0; i < childNodes.length; i++)
	{
		if (childNodes[i].tagName == "IMG" &&
		    childNodes[i] != imgEl)
	    {
	    	hiliteEl = childNodes[i];
	    	break;
	    }
	}
	imgEl.style.display = "none";
	hiliteEl.style.display = "";
}