var agt=navigator.userAgent.toLowerCase();
var ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1) && (agt.indexOf("omniweb") == -1));

/*function Ob(o){
 var o=document.getElementById(o)?document.getElementById(o):o;
 return o;
}*/
function Hd(o){
 Ob(o).className="hidden";
}
function Sw(o){
 Ob(o).className="show";
}
function ExCls(o,a,b){
 Ob(o).className=Ob(o).className==a?b:a;
}

function ExChgDir(){
 ExCls('Cn','Cn3','Cn1');
 Ob("BtnCloseDir").innerHTML=Ob("Cn").className=="Cn3"?"打开目录":"关闭目录";
}

function MySkin(n){
 var sHtml="";
 if (n!=1) {
  sHtml="<a id=\"BtnCloseDir\" href=\"javascript:void(0)\" onclick=\"ExChgDir();\">关闭目录</a>&nbsp;|&nbsp;"
 }
 sHtml="<p id=\"OrdSkin\">"+sHtml+"</p>";
 document.write (sHtml);
}

function HitTree(e){
 var tag = ie ? e.srcElement : e.target; ExCls(tag.parentNode,"open","close");
}

function SetEvt(o,a,b){
 ie?o.attachEvent("on"+a,b):o.addEventListener(a,b, false);
}

function CNLTree(id,ClsOpen,ClsClose,ClsChild){
 this.id=id;
 this.ClassOpen=ClsOpen || "open";
 this.ClassClose=ClsClose || "close";
 this.ClassChild=ClsChild || "child";
 this.AddEvt = function () {
  var arrObj=Ob(this.id).getElementsByTagName("img");
  for (var i=0;i<arrObj.length; i++) {
   arrObj[i].className=="s"?SetEvt(arrObj[i],"click",HitTree):"";
  }
 }
}
var KNo=Math.floor(10*Math.random())+4;

function s4(){
 var v=Ob("Kaa").value
 if(Ob("a0").checked)
 window.open("http://www.5zd.com/search.aspx?c=zh02&s="+v,"0");
 if(Ob("a1").checked)
 window.open("http://www.5zd.com/search.aspx?c=db&s="+v,"1");
 if(Ob("a2").checked)
 window.open("http://www.5zd.com/search.aspx?c=yy01&s="+v,"2");
 if(Ob("a3").checked)
 window.open("http://www.5zd.com/search.aspx?c=ys08&s="+v,"3");
 if(Ob("a4").checked)
 window.open("http://www.5zd.com/search.aspx?c=pic02&s="+v,"4");
 if(Ob("a5").checked)
 window.open("http://www.5zd.com/search.aspx?c=rj03&s="+v,"5");
 if(Ob("a6").checked)
 window.open("http://www.5zd.com/search.aspx?c=xs05&s="+v,"6");
 if(Ob("a7").checked)
 window.open("http://www.5zd.com/search.aspx?c=xw02&s="+v,"7");
  return false;
 }