var divRightMenu;
var div_top_init;
var timeoutNextCheck = 500;

function moveRightEdge() { 
  var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck; 
  yMenuFrom   = parseInt (divRightMenu.style.top, 10); 
  yMenuTo     = document.body.scrollTop + div_top_init; // À§ÂÊ À§Ä¡ 

  if (yMenuFrom != yMenuTo) { 
    yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20); 
    if (yMenuTo < yMenuFrom) yOffset = -yOffset; 
    divRightMenu.style.top = parseInt (divRightMenu.style.top, 10) + yOffset; 
    timeoutNextCheck = 5; 
  } 
  setTimeout ("moveRightEdge()", timeoutNextCheck); 
} 

function SetBanner(scroll_div) {
  divRightMenu = getObject(scroll_div);  
  div_top_init = parseInt(divRightMenu.style.top, 10);  
  
  moveRightEdge(); 
  divRightMenu.style.zIndex = 100;
  
}
SetBanner("scrollbanner");