// JScript File

  function PosizionaOmbra() 
  {
    var a;

    posizioni = new Array();

    for (i=0; i<item.length; i++) {
      a = document.getElementById(item[i]);
      posizioni[i] = findPosX(a);
    } 


    if(posizioni.length>0)
    {
      var ordinamento = posizioni.sort(sortNumber);
      var pos = ordinamento[0];
      
      o = document.getElementById(ombra);
      o.style.left = pos + 'px';
    }
  }
  
  function sortNumber(a, b)
  {
    return a - b;
  }
    
  function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }