//注意：此代码文件的调用，必须放在菜单代码后面，否则在IE6.0下会产生错误！！！
if(document.all)
	{
	var _acdTopNav = document.getElementById('pageHeader-Nav1').firstChild;

	for(var i = 0; i < _acdTopNav.childNodes.length; i++)
		{
		_acdTopNav.childNodes[i].onmouseover = function() { this.lastChild.style==null ? "" : this.lastChild.style.display = 'block';}
		_acdTopNav.childNodes[i].onmouseout = function() { this.lastChild.style==null ? "" : this.lastChild.style.display = 'none';}
		}
	}