// JavaScript Document
//javascript:HoverLi(this,'xh_t','xh_l','xh_d','xh_u',r)
function g(o){return document.getElementById(o);}
function HoverLi(o,t,l,x,y,r)
{
for(var i=1;i<=r;i++)
    {
	g(t+i).className=y;
	g(l+i).style.display = 'none';
	var s=t+i;
	if(o.id==s)
	{
		g(l+i).style.display='block';
	}
	}
o.className=x;
}