dropDownHover = function()
{
	var uls = document.getElementsByTagName('ul');

	for (var i=0; i<uls.length; i++)
	{
		if (uls[i].className != 'level_1')
			continue;

		var lis = uls[i].getElementsByTagName('li');

		for (var j=0; j<lis.length; j++)
		{
			lis[j].onmouseover = function()
			{
				this.className += ' hover';
			}

			lis[j].onmouseout = function()
			{
				this.className = this.className.replace(new RegExp(' hover\\b'), '');
			}
		}
	}
}

if (window.attachEvent)
{
	window.attachEvent("onload", dropDownHover);
}