function openInfoWindow(page){
 if ((navigator.appName== "Netscape" && parseInt(navigator.appVersion)
>= 4)|| (navigator.appName.indexOf("Microsoft") != -1 &&
parseInt(navigator.appVersion) >= 4)) {
  height = screen.height;
  if (height - 145 < 450) {
   x = height - 145;
  } else {
   x = 450;
  }
 } else {
  x = 450;
 }
 info =

window.open(page,'info','toolbar=1,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=450,height=460');

 info.focus();
 return false;
}