function addBookmark()
{	
	var url = window.location;
    var title = document.title;
    var ua=navigator.userAgent.toLowerCase();
    var isKonq=(ua.indexOf('konqueror')!=-1);
    var isSafari=(ua.indexOf('webkit')!=-1);
    var isMac=(ua.indexOf('mac')!=-1);
    var buttonStr=isMac?'Command/Cmd':'Ctrl';

    if(window.external && (!document.createTextNode ||
      (typeof(window.external.AddFavorite)=='unknown'))) {
        window.external.AddFavorite(url, title); // IE/Win
    } else if(isKonq) {
      alert('To bookmark this website, first close this dialog box, then press the Ctrl key and the B key, on the keyboard, at the same time.');
    } else if(window.opera) {
      void(0); // do nothing here (Opera 7+)
    } else if(window.home || isSafari) { // Firefox, Netscape, Safari, iCab
      alert('To bookmark this website, first close this dialog box, then press the '+buttonStr+' key and the D key, on the keyboard, at the same time.');
    } else if(!window.print || isMac) { // IE5/Mac and Safari 1.0
      alert('To bookmark this website, first close this dialog box, then press the Command/Cmd key and the D key, on the keyboard, at the same time.');    
    } else {
      alert('In order to bookmark this website you need to do so manually '+
        'through your browser. (Closing this dialog box first)');
    }
}