function add2Fav(x){
if (document.all && !window.opera) {
if (typeof window.external == "object") {
window.external.AddFavorite(document.location, document.title);
return true;
}
else return false;

}
else{
x.href=document.location;
x.title=document.title;
x.rel = "sidebar";
return true;
}
}