<!--
function browser_name() {
     var browsers_name = navigator.appName;

     if (browsers_name.substring(0,8) == 'Netscape') {
          return 'nn';
     } else if (browsers_name.substring(0,9) == 'Microsoft') { 
          return 'ie';
     } else {
          return 'default';
     }
} // END function browser_name


function browser_version() {
     /* Microsoft IE has a weird way of declaring its version number.
        Version is determined by the first number following the characters
        MSIE in the navigator.appVersion string.
     */
     if (navigator.appName.substring(0,9) == 'Microsoft') {
          var MSIE_ind = navigator.appVersion.indexOf('MSIE'); 
          if (MSIE_ind > 0) {
               /* Find first number after MSIE */
               MSIE_ind += 5;
               var MSIE_num = navigator.appVersion.charAt(MSIE_ind);
                    return MSIE_num;
          } else {
               return 0;
          }
     }

     var browser_ver = parseInt(navigator.appVersion);

     if ( (browser_ver > 0) && (! isNaN(browser_ver)) ) {
          return browser_ver;
     } else {
         return 0;
     }
} // END function browser_version


function browser_os() {
     var browsers_os = navigator.appVersion;

     if (browsers_os.indexOf('Win') > 0) {
          return 'pc';
     } else if (browsers_os.indexOf('Mac') > 0) {
          return 'mac';
     } else { 
          return 'default';
     }
}  // END function browser_os


function css_version() {
     var browser = new Object();
     browser.name    = browser_name();
     browser.version = browser_version();
     browser.os      = browser_os();

     if ( (browser.name    == 'default') ||
          (browser.version <   3       ) ||
          (browser.os      == 'default') )
     {
          return 'default';
     } 
     else
     {
          return browser.os + '_' + browser.name + browser.version;
     }
}  // END function css_version  


function css_write() {
  //   var css_name = css_version();
  //  document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="/css/');
  //   document.write(css_name + '_view.css" TITLE="' + css_name + '" MEDIA="screen">');
  //  document.write("\n");
  //   document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="/css/');
  //  document.write(css_name + '_print.css" TITLE="' + css_name + '" MEDIA="print">');
} // END function css_write
     
// -->

