function MM_openBrWindow(theURL,winName,w, h) { //v2.0
var winl = (screen.width - w) / 2;
     var wint = (screen.height - h) / 2;
     winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+'resizable=0'
   window.open(theURL, '', winprops)

  //window.open(theURL,'',features);
}