function openWindowPolicy(file) {
  leftVal = (screen.width-800) / 2;
  topVal = (screen.height-607) / 2;
  newWindow = window.open(file, "WinInfoPolicy", "width=708,height=470,left="+leftVal+",top="+topVal+",resizable=0,status=no,toolbar=no,menubar=no,location=no");
}