var $ = function(i){return document.getElementById(i);}
var ua = navigator.userAgent.toLowerCase();
var isIE = (ua.indexOf("msie") > -1),isIE7 = (ua.indexOf("msie 7") > -1),isOpera = (ua.indexOf("opera") > -1),isSafari = (ua.indexOf("webkit") != -1 || ua.indexOf("khtml") != -1),isGecko = (!isSafari && ua.indexOf("gecko") > -1);


/*变换连接*/
function setTab(m,n){
var tli=document.getElementById("tabmenu"+m).getElementsByTagName("li");
var mli=document.getElementById("tabmains"+m).getElementsByTagName("ul");
for(i=0;i<tli.length;i++){

   try { mli[i].style.display= i==n?"block":"none";} catch(err) { }

   tli[i].className= i==n?'on':'none';
   
  
}
}
//复制连接
function copyUrl(url){
	var content='';
	window.clipboardData.setData("Text",url);
	alert("复制成功，请推荐给你的好友");
}
//变换链接2
function setTab2(name,cursel,n){
 for(i=1;i<=n;i++){
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  menu.className=i==cursel?"on":"";
  con.style.display=i==cursel?"block":"none";
 }
}