function obrir(p,w,h,d)
  {
  parametres="width="+w+",height="+h+",scrollbars="+d+",toolbar=no";
  open(p,"--",parametres);
  }

function recolocar()
  {
  if (window != top) top.location.href = "";
  }


function titolpag(t)
  {
  document.title = t;
  }