// Which browser? 
      var NS4 = (document.layers); 
      var IE4 = (document.all); 
      
      // window to search. 
      var win = window; 

      var n = 0; 

      function findInPage(str) { 
        
        var txt, i, found; 

        if (str == "") 
          return false; 

        // Find next occurance of the given string on the page, wrap around to the 
        // start of the page if necessary. 

        if (NS4) { 
          // Look for match starting at the current point. If not found, rewind 
          // back to the first match. 

          if (!win.find(str))  {
            while(win.find(str, false, true)) 
              n++; 
          }
          else {
            n++;
          } 

          // If not found in either direction, give message. 
          if (n == 0) 
            alert("Not found."); 
        } 

        if (IE4) { 
          txt = win.document.body.createTextRange(); 

          // Find the nth match from the top of the page. 
          for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) { 
            txt.moveStart("character", 1); 
            txt.moveEnd("textedit"); 
          } 

          // If found, mark it and scroll it into view. 
          if (found) { 
            txt.moveStart("character", -1); 
            txt.findText(str); 
            txt.select(); 
            txt.scrollIntoView(); 
            n++; 
          } 

          // Otherwise, start over at the top of the page and find first match. 
          else { 
            if (n > 0) { 
              n = 0; 
              findInPage(str); 
            } 
            // Not found anywhere, give message. 
            else 
              alert("Not found."); 
          } 
        } 

        return false; 
      }