// JavaScript Document
function hd(n){
var x=5;    /*滑动块个数*/
var id="hd";   /*滑动块前缀*/
var dis="h";   /*内容显示前缀*/
var first="t4_";  /*滑动块类一,突出*/
var second="t4_1";  /*滑动块类二*/
var tim=document.getElementById(n).className;
for(i=1;i<=x;i++){
	if(document.getElementById(id+i).classname!=first){
document.getElementById(id+i).className=second;	
document.getElementById(dis+i).style.display='none';
	}
}
if(tim==second){document.getElementById(n).className=first;document.getElementById(dis+n.replace(id,'')).style.display='block';}else{document.getElementById(n).className=first;document.getElementById(dis+n.replace(id,'')).style.display='block';}
}