navHover = function()
{
	var lis = document.getElementById('topmenu').getElementsByTagName('LI');
	for (var i = 0; i < lis.length; i++)
	{
		lis[i].onmouseover = function()
		{
			this.className += ' iehover';
		}
		lis[i].onmouseout = function()
		{
			this.className = this.className.replace(new RegExp(' iehover\\b'), '');
		}
	}
}

if (window.attachEvent) window.attachEvent('onload', navHover);