function CheckUIElements(){
      var yMenuFrom, yMenuTo, yButtonFrom, yButtonTo, yOffset, timeoutNextCheck;

              yMenuFrom   = parseInt ($("#divMenu").offset().top, 10);
              yMenuTo     = document.documentElement.scrollTop + 420; //距页面顶部的距离

      timeoutNextCheck = 500;

      if ( Math.abs (yButtonFrom - (yMenuTo + 152)) < 6 && yButtonTo < yButtonFrom ) {
              setTimeout ("CheckUIElements()", timeoutNextCheck);
              return;
      }

      if ( yButtonFrom != yButtonTo ) {
              yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 10 );
              if ( yButtonTo < yButtonFrom )
                      yOffset = -yOffset;
                      divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;

              timeoutNextCheck = 10;
      }
      if ( yMenuFrom != yMenuTo ) {
              yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 20 );
              if ( yMenuTo < yMenuFrom )
                      yOffset = -yOffset;
                      document.getElementById("divMenu").style.top = parseInt ($("#divMenu").offset().top, 10) + yOffset+"px";
              timeoutNextCheck = 10;
      }

      setTimeout ("CheckUIElements()", timeoutNextCheck);
}

function OnLoad()
{
      var y;
      if ( top.frames.length )
              $("#divMenu").offset().top = document.documentElement.scrollTop + 235;
      CheckUIElements();
      return true;
}
OnLoad();