function setPcInfo(url){
  insertFrameScr(url,'lightbox',780,391,true)
 }
function showLayer(w,h,reUrl){
  document.getElementById('overlay').style.display="block"; 
  if( document.body.clientHeight>document.documentElement.clientHeight){
   document.getElementById('overlay').style.height = document.body.clientHeight+"px";
  }else{
   document.getElementById('overlay').style.height = document.documentElement.clientHeight+"px";
  }
  document.getElementById('lightbox').style.display="block";
  var k=document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop+(document.documentElement.clientHeight-h)/2;
  document.getElementById('lightbox').style.top=k+"px"; 
  document.getElementById('lightbox').style.left=(document.documentElement.clientWidth-w)/2+"px";
  document.getElementById('lightbox').style.width=w+"px";
  document.getElementById('lightbox').style.height=h+"px";
  if(reUrl){
   //window.document.frames["lightframe"].location.reload();
  }  
 }
function hideLayer(){
  document.getElementById('lightbox').style.display="none";
  document.getElementById('overlay').style.display="none";
  document.getElementById('lightbox').innerHTML = "";
 }
 
//---------------------------------------------------------------------
 function insertFrameScr(url,id,w,h,reUrl){
  var contentHTML = "<div style='margin:-124px 0 0 0;position:relative; float:left; width:780px; height:35px; background:none;text-align:right' ><a href='#' onclick='hideLayer()'><img style='margin:0 30px 0 0' src='images/closewindow.png' width='140' height='35' /></a></div><div style='position:relative;margin:-90px 0 0 0;background-color:none; background:url(images/commercial_bg.png) no-repeat; width:780px; height:553px;'><img id='lightboxframe' name='lightframe' style='margin:15px 0 0 0' height='"+h+"' width='"+w+"' src='" + url + "'/></div>"
  document.getElementById(id).innerHTML = contentHTML;
  showLayer(w,h,reUrl);  
 }