var ie = false;
   var open = true;
   var oldwidth = -1;
   if (document.all) { ie = true; }

   function getObj(id) {
    if (ie) { return document.all[id]; }
    else {    return document.getElementById(id);    }
   }
    
   function toggleSidebar() {
    var sidebar = getObj('sidebarcontents');
    var menu = getObj('sidebarmenu');
    var arrow = getObj('sidearrow');
    if (open) {
     var sidec = getObj('sidebar');            
     var h = sidec.scrollHeight;
     if (oldwidth < 0) { 
     oldwidth = sidebar.scrollWidth;
    }
    sidebar.style.display = 'none';
    td = getObj('sidebartd');
    td.style.width = 0;         
    arrow.innerHTML = '&gt;';
    //alert(h + ' - ' + sidec.scrollHeight);
    sidec.style.height = h;
    open = false;
    } else {
     sidebar.style.display = 'block';
     sidebar.style.width = oldwidth;
     arrow.innerHTML = '&lt;';
     open = true;
    }
    getObj('focuser').focus();
    }    
    
    function setSidebarTop() {
     //alert('hoy');
     var sidec = getObj('sidebar');
     sidec.style.top = 10 + document.body.scrollTop;
     setTimeout('setSidebarTop()', 10);
    }
    setTimeout('setSidebarTop();', 2000);