// JavaScript Document

function NewWin(winURL, winName, winWidth, winHeight){
      var screenW = (screen.width / 2)  - (winWidth / 2);
      var screenH = (screen.height / 2) - (winHeight / 2);

      window.open(winURL,winName,
      "width="   + winWidth +
      ",height=" + winHeight + 
      ",top="    + screenH + 
      ",left="   + screenW + 
      ",menubar=0,resizable=0,scrollbars=no,status=0,titlebar=0,toolbar=0");
   }