function showTab(obj,obj2,num,len,listyle)
{
 for(var id = 1;id<=len;id++)
 {
  var ss=obj+id;
  var ss2=obj2+id;
  if(id==num){
  try{
document.getElementById(ss2).className=listyle;
document.getElementById(ss).style.display="block"}catch(e){};
  }else{
  try{
document.getElementById(ss2).className="";
document.getElementById(ss).style.display="none"}catch(e){};
  }
 }  
}

function showDiv(obj,num,len)
{
 for(var id = 1;id<=len;id++)
 {
  var ss=obj+id;
  if(id==num){
  try{document.getElementById(ss).style.display="block"}catch(e){};
  }else{
  try{document.getElementById(ss).style.display="none"}catch(e){};
  }
 }  
}


//头部菜单前两个
function ddin(ddobj,ddnum,topobj,topnum) {
var mm=ddobj+ddnum;
var topmm=topobj+topnum;
document.getElementById(mm).style.display="block";
document.getElementById(topmm).className="toplinkhover";
}
function ddout(doutobj,doutnum,topoobj,toponum) {
var outt=doutobj+doutnum;
var topout=topoobj+toponum;
document.getElementById(outt).style.display="none";
document.getElementById(topout).className="toplink";  
}
//后三个
function dd3in(dd3obj,dd3num,top3obj,top3num) {
var mm3=dd3obj+dd3num;
var top3mm=top3obj+top3num;
document.getElementById(mm3).style.display="block";
document.getElementById(top3mm).className="toplinkbhover";
}
function dd3out(dout3obj,dout3num,top3oobj,top3onum) {
var outt3=dout3obj+dout3num;
var top3out=top3oobj+top3onum;
document.getElementById(outt3).style.display="none";
document.getElementById(top3out).className="toplinkb";  
}



//显示更多
function showmore(moreid,link,newwindows)
{
   document.getElementById(moreid).innerHTML="";
   var newwinnr=" target="+newwindows;
   if(newwindows=="")
   {
      newwinnr=" target=\"_self\" ";
   }
   document.getElementById(moreid).innerHTML+="<a href="+link+newwinnr+">更多&gt;&gt;</a>";
}