$( function(){
    var bgImages = ['foto-top-1.jpg', 'foto-top-2.jpg', 'foto-top-3.jpg', 'foto-top-4.jpg'];
    var currImage = 'foto-top-1.jpg';
    setInterval( function(){
        do{
            var randImage = bgImages[Math.ceil(Math.random()*(bgImages.length-1))];
        }while( randImage == currImage )
        currImage = randImage;
        try
        {
        	if ($('#top-image'))
        	{
        		$('#top-image').BgImageTransition( '/images/'+currImage );
        	}
        }
        catch (e) {
        
        }
        
    }, 6000)
});