function show_menu(sleft,top,width,arr){  
  var writer = '';    
  document.getElementById('sub_menu').style.display = 'inline'; 
  document.getElementById('sub_menu').style.left = sleft;
  document.getElementById('sub_menu').style.width = width;
  document.getElementById('sub_menu').style.top = top;
  for(var i=0;i<arr.length-1;i++){
    if(i==0){
      writer+= "<a href='cms/db.php3?id="+arr[i][0]+"' target='body' class='menu' style='width:"+width+";'";
      if(arr==a58)
      {
        writer+= " onclick=\"document.getElementById('besloten').src='images/achtergrond/besloten.gif';\"";
      }
      else
      {
        writer+= " onclick=\"document.getElementById('besloten').src='images/achtergrond/besloten_no.gif';\"";
      }
      writer+= ">"+arr[i][1]+"</a><br>";
    }
    else {
      writer+= "<a href='cms/db.php3?id="+arr[i][0]+"' target='body' class='menu' style='border-top:1px solid white;width:"+width+";'";
      if(arr==a58)
      {
        writer+= " onclick=\"document.getElementById('besloten').src='images/achtergrond/besloten.gif';\"";
      }
      else
      {
        writer+= " onclick=\"document.getElementById('besloten').src='images/achtergrond/besloten_no.gif';\"";
      }
      writer+= ">"+arr[i][1]+"</a><br>";
    }      
  }
  document.getElementById('sub_menu').innerHTML = writer;
}