function veranderpic()
{
	if(document.images)
	{
		picture=document.getElementById('guestbook').icon.options[document.getElementById('guestbook').icon.selectedIndex].value
		document.getElementById('preview').src ="icon/"+picture+".gif"
	}
}


function menu(id)
{
	var d = document.getElementById(id);
		for (var i = 1; i<=10; i++) {
			if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
		}
	if (d) {d.style.display='block';}
}

function slideSwitch() {
    var $active = $('#slideshow IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
    setInterval( "slideSwitch()", 5000 );
});