//search
function findInPage(str) {
      var txt, i, found;
      if (str == "")
          return false;
      if (NS4) {
          if (!win.find(str))
          while(win.find(str, false, true))
             n++;
          else
             n++;
          if (n == 0)
              alert("no Station matching.");
          }
       if (IE4) {
           txt = win.document.body.createTextRange();
           for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) {
                txt.moveStart("character", 1);
                txt.moveEnd("textedit");
                }
           if (found) {
                txt.moveStart("character", -1);
                txt.findText(str);
                txt.select();
                txt.scrollIntoView();
                n++;
            }else {
                if (n > 0) {
                    n = 0;
                    findInPage(str);
                 }else
                    alert("no Station matching");
                 }
             }
             return false;
             }