startList = function()
{
	if (document.all&&document.getElementById)
	{
		var navItems = document.getElementById("nav").getElementsByTagName('li');

		for (i = 0; i < navItems.length; i++)
		{
			navItems[i].oldClass    = navItems[i].className;
			navItems[i].onmouseover = function() { this.className += " over"; }
			navItems[i].onmouseout  = function() { this.className  = this.oldClass; }
		}
	}
}

window.onload=startList;