function checktopAds()
{
  
return true;  
}
function do_it()
{
  if ( checktopAds() )
  {
  var anim = function()
    {
      n += 5;
        if(n >= 112){
        document.getElementById('topAds_chk_show').style.marginTop = "0";
        window.clearInterval(t1);
        }else{
        document.getElementById('topAds_chk_show').style.marginTop = "-"+(112 - n)+"px";
        }
      },n=0;
      var t1 = window.setInterval(anim,80);
    }
}
function close_chk_show()
{
  var anim = function()
  {
    n += 5;
    if(n >= 112){
    document.getElementById('topAds_chk_show').style.marginTop = "-112px";
    window.clearInterval(t1);
    }else{
    document.getElementById('topAds_chk_show').style.marginTop = "-"+ n +"px";
    }
  },n=0;
    var t1 = window.setInterval(anim,80);
}