function setTab(/*string*/name,/*int*/ itemCnt,/*int*/ curItem, /**/classHide, /**/classShow)
{
 for(i=1;i<=itemCnt;i++)
 {
  eval("document.getElementById('tab_" + name + "_" + i + "').className='" + classHide + "'");
 } 
 eval("document.getElementById('tab_" + name + "_" + curItem + "').className='" + classShow + "'");
 
 for(i=1;i<=itemCnt;i++)
 {
  eval("ele_hide = document.getElementById('con_" + name + "_" + i +"')");
  if(ele_hide) ele_hide.style.display = "none";
 }
 eval("ele_play = document.getElementById('con_" + name + "_" + curItem + "')");
 if(ele_play) ele_play.style.display = "block";
}




 var pause = false;
 var con_num = 5;
 var startIndex = 1;
 function setLoop(){
  try{
   var oScroll = document.getElementById('con_show');
   oScroll.noWrap = true;
   oScroll.onmouseover = function(e){pause = true;};
   oScroll.onmouseout = function(e){pause = false;};
   setInterval('scrollTopHome()', 2000);
   }catch(e){alert(e.toString());}
 }
 function scrollTopHome(){
  if(pause) return;
  startIndex += 1;
  if(startIndex > con_num){startIndex = 1;}
  setTab('tophome',5,startIndex,'a1','a2');
 } 
 
 


function show(event,_this,mess) {
    event = event || window.event;
    var t1="<table     cellspacing='1' cellpadding='10' style='border-color:#CCCCCC;background-color:#FFFFFF;font-size:12px;border-style:solid;    border-width:thin;text-align:center;'><tr><td><img src='" + _this   + "' width='300' height='225' >    <br>"+mess+"</td></tr></table>";
     document.getElementById("a1").innerHTML =t1;
      //document.getElementById("a1").innerHTML = "<img src='" + _this.src + "' >";
   document.getElementById("a1").style.top   = document.body.scrollTop + event.clientY + 10 + "px";
   document.getElementById("a1").style.left = document.body.scrollLeft + event.clientX + 10 + "px";
    document.getElementById("a1").style.display = "block";
}
function hide(_this) {
     document.getElementById("a1").innerHTML = "";
document.getElementById("a1").style.display = "none";
}