ds=document.getElementById('co_3').getElementsByTagName('div')[1].getElementsByTagName('div');
    var co_3csH=0;
    for(i=0;i<ds.length;i++){
      co_3cID=ds[i].id.substring(ds[i].id.indexOf('co3_c')+5);
      ds[i].style.display='block';
      co_3cHs=(document.getElementById('co2_l'+co_3cID).offsetTop-document.getElementById('co_2').getElementsByTagName('a')[0].offsetTop)+ds[i].offsetHeight;
      if(co_3cHs>co_3csH) co_3csH=co_3cHs;
      ds[i].style.display='none';
    }
    var co_1H;
    co_1H=document.getElementById("co_2").getElementsByTagName('div')[1].offsetHeight;
    if(co_1H<co_3csH) co_1H=co_3csH;
    document.getElementById("co_1").getElementsByTagName('div')[2].style.height=(co_1H+((document.all)?10:0))+"px";
    document.getElementById("co_3").getElementsByTagName('div')[1].style.height=(co_1H+((document.all)?16:6))+"px";
    document.getElementById("c2").style.height=(document.getElementById("co_3").offsetHeight+10)+"px";
    document.getElementById("c3").style.height=(document.getElementById("co_3").offsetHeight)+"px";
    
    if(Uid!="") ecoc(document.getElementById('co2_l'+Uid));


var estNa=document.getElementById('co_1').getElementsByTagName('div')[2];
var estNaTop=0;

function getScrollStat(){
  x=1;
  scrolY=((document.all)?document.body.scrollTop:window.pageYOffset);
  if(scrolY==0) document.getElementById('co_1').getElementsByTagName('div')[2].getElementsByTagName('a')[0].style.marginTop=0;
  else if(scrolY>estNaTop) document.getElementById('co_1').getElementsByTagName('div')[2].getElementsByTagName('a')[0].style.marginTop=(scrolY-estNaTop);
}
  
function getEstNaTop(){
  while(estNa.offsetParent){
    estNaTop=estNaTop+estNa.offsetTop;
    estNa=estNa.offsetParent;
  }
  onscroll=getScrollStat;
  if(navigator.userAgent.indexOf('Firefox')>=0){
    window.addEventListener("DOMMouseScroll", getScrollStat, false);
  }
}

onload=getEstNaTop;