function newWindow(contentsURL, winName, winProps, width, height) {		

     if (!winName) var winName = "CALCULATOR";

     if (!winProps) var winProps = "menubar=0,toolbar=0,resizable=0,location=0,status=0,scrollbars=0";

     if (!width) var w = 620; 

     else w = width;

     if (!height) var h = 400;

     else h = height;

     var x = 100; y = 100;

     var args = "width=" + w + ",height=" + h

      + "," + winProps

      + ",screenx=" + x + ",screeny=" + y

      + ",left=" + x + ",top=" + y;

     window.open(contentsURL, winName, args);

    }