// version checking macro

  requires("1.37q");
  notes = File.openUrlAsString("/ij/notes.html");
  if (notes=="")
     exit("Unable to open ImageJ \"News\" (http://rsb.info.nih.gov/ij/notes.html)");
  vl = substring(notes, indexOf(notes,"<h3>"),indexOf(notes,"</h3>"));
  version = substring(vl,indexOf(vl," ")+1,indexOf(vl,","));
  if (getVersion()>version) {
     showMessageWithCancel("Version Checker",
        "Your Version : "+getVersion()+"\nCurrent Version : " + version
        + "\nClick 'OK' to visit IJ's website");
     run("ImageJ Web Site...");
  } else {
     showMessage("Version Checker",
        "You are running the latest version of ImageJ ("+version+")");
  }