function showInfo(url) {
  win = window.open(url, "newWin", "SCROLLBARS=1,RESIZABLE=1,TOOLBAR=0,MENUBAR=0,LOCATION=0,STATUS=0");
  w = 800;
  h = 650;
  var l=(screen.width-w)/2
  var t=(screen.height-h)/2
  win.resizeTo(w, h);
  win.moveTo(l,t);
}