var Ventana2;
function openIT(theURL,W,H, wname,S) {
  var prop;

  if (S!='no') S="yes"

  prop = "width="+W+",height="+H+",scrollbars="+S;


if (Ventana2) {
    if (Ventana2.closed) {
      Ventana2=open(theURL,wname,prop+",location=no,status=no,directories=no,toolbar=no,resizable=no,menubar=no");
      Ventana2.focus();
    }
    else {
      Ventana2=open(theURL,wname,prop+",location=no,status=no,directories=no,toolbar=no,resizable=no,menubar=no");
      Ventana2.focus();
    }
  }
  else {
      Ventana2=open(theURL,wname,prop+",location=no,status=no,directories=no,toolbar=no,resizable=no,menubar=no");
      Ventana2.focus();
  }
}