function drawingwindow() {
  win = window.open("http://www.opb.org/support/drawing/drawing.php",
        "DrawingWindow", 
	"toolbar=no,location=no,directories=no,status=no," +
	"menubar=no,scrollbars=yes,resizable=yes," +
	"width=500,height=330");
  win.focus();
}