function addbookmark()
{ 
	title = "Jokes4Us - Jokes and More";  
	url = "http://www.jokes4us.com/";  
	var ua=navigator.userAgent.toLowerCase();
	var isKonq=(ua.indexOf('konqueror')!=-1);
	var isSafari=(ua.indexOf('webkit')!=-1);
	var isMac=(ua.indexOf('mac')!=-1);
	var modbutton=isMac?'Command':'Ctrl';
	
	if(window.home || isSafari) 
	{ // Firefox, Netscape, Safari, iCab
		alert('You Need to Press '+modbutton+' + D to Bookmark.');
	} 
	else if( window.external ) 
	{ // IE Favorite		
		window.external.AddFavorite( url, title); 
	}
	else if(window.opera) 
	{
		alert('You Need to Press '+modbutton+' + T to Bookmark.');
	} 
	else if(!window.print || isMac) 
	{ // IE5/Mac and Safari 1.0
		alert('You Need to Press '+modbutton+' + D to Bookmark.');
	} 
	else 
	{
		alert('You Need to Bookmark Jokes4Us' + '\n Manually Through Your Browser.');
	}

}