function addbookmark(url,desc){

    var nonie = 'Sorry, only Internet Explorer supports this method to add a bookmark/favourite\n But please feel free to visit the site\'s home page to add a bookmark manually';

    if(!url && !desc){
        var bookmarkurl     = "http://www.jeffries.co.uk";
        var bookmarktitle   = "jeffries.co.uk - one of the country's leading independent estate agents";
    }else{
        var bookmarkurl     = url;
        var bookmarktitle   = desc;
    }


    if (window.sidebar) { // Mozilla Firefox Bookmark
        alert('Due to security restrictions placed in Firefox, we are unable to automatically add a bookmark.\nPlease navigate to the home page and press: CTRL+D to add one manually.');
    } else if(document.all){ // IE Favourites
        window.external.AddFavorite(bookmarkurl,bookmarktitle);
    } else {
    }
};