function highlight_serie(id)
{
  //document.getElementById("serie"+id).style.background="#f00";
  var elems = document.getElementById("serie"+id).getElementsByTagName("img");
  for(var i=0;i<elems.length;i++)
  {
    //alert(elems[i].src);
    elems[i].style.borderColor = "#a8a8a8";
  }
}
function unhighlight_serie(id)
{
  var elems = document.getElementById("serie"+id).getElementsByTagName("img");
  for(var i=0;i<elems.length;i++)
  {
    //alert(elems[i].src);
    elems[i].style.borderColor = "#3D3D3D";
  }
}