function showDiv(){
  if(document.getElementById && document.getElementById('dropDown')){
    document.getElementById('dropDown').style.top = topd - dy;
    document.getElementById('dropDown').style.left = leftd;
    document.getElementById('dropDown').style.display = 'block';
    document.getElementById('dropDown').style.position = 'absolute';
    document.getElementById('dropDown').style.visibility = 'visible';
    setTimeout("moveDiv()",2000);
  } 
}

function moveDiv(){
  if(document.getElementById){
    if(dy>0) document.getElementById('dropDown').style.top = topd - dy;
  } else {
    if(dy>0) document.layers['dropDown'].top = topd - dy;
  }
  dy = dy - 2;
  setTimeout("moveDiv()",10);
}

var onbblayer = false;

function hideDiv(obj){
  if(document.getElementById){
    if(document.getElementById('dropDown').visibility=="show") document.getElementById('dropDown').focus();
  }
  return;
}