function rewriteLinks() {
     lnk = document.links;
     // alert (lnk[0].className);
     for (i=0;i<lnk.length;i++) {
         if ((typeof lnk[i].className == 'string') && (lnk[i].className == 'intlnk')) {
             //  alert (typeof lnk[i].className + " : \"" + lnk[i].className + "\"");
             lnk[i].href += "&fb=0";
         }
     }
}