var detect = navigator.userAgent.toLowerCase();
        var browser, thestring;
        function bookmarksite(title, url) {
            if (checkIt('msie')) { window.external.AddFavorite(url, title); }
            else if (checkIt('firefox')) { alert('Press CTRL + D to bookmark this page.'); }
            else if (checkIt('netscape')) { alert('You need to press CTRL + D to bookmark our site.'); }
            else if (checkIt('opera')) { alert('You need to press CTRL + T to bookmark our site.'); }
            else if (checkIt('chrome')) { alert('Press CTRL + D to bookmark this page.'); }
            else { alert('In order to bookmark this site you need to do so manually through your browser.'); }
        }
        function checkIt(string) {
            place = detect.indexOf(string) + 1;
            thestring = string;
            return place;
        }