 <!--//

      // Browser Detection
      browser_name = navigator.appName;
      browser_version = parseFloat(navigator.appVersion); 

      if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; }
      else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0) { roll = 'true'; }
      else { roll = 'false'; }

      // Preload images, if browser supports mouseovers
      if (roll == 'true') {

      var imglist = new Array (
      "graphics/home_on.gif",
      "graphics/heard_on.gif",
	  "graphics/article_on.gif",
	  "graphics/resources_on.gif",
	  "graphics/who_on.gif",
      "graphics/contact_on.gif"
      );
      var imgs = new Array();

      var count;
      if (document.images)
       for (count=0; count<imglist.length; count++)
        {imgs[count]=new Image(); imgs[count].src=imglist[count];}
      }


      function msover1(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
      function msout1(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }


//-->