// JavaScript Document
function LoadNav()
{
	var navTable = document.getElementById("nav");
	var navList = navTable.getElementsByTagName("img");
	
	for(var i = 0; i <= navList.length-1; i++)
	{
		if (navList[i].src.indexOf('category.gif') <= 0)
		{
			var newImg = new Image();
			newImg.src = navList[i].src.replace('.gif', '_over.gif');
			
			navList[i].onmouseover = function() {
				return MouseOver(this, '.gif', '_over.gif'); }
			navList[i].onmouseout = function() {
				return MouseOver(this, '_over.gif', '.gif'); }
		}
	}
}

function MouseOver(img, origState, newState)
{
	img.src = img.src.replace(origState, newState);	
}