var last_focus = 0;

function changeDots()
{

	var n = last_focus + 1;
	if(n > 5)
		n = 0;

	document.getElementById("dot_"+last_focus).src = 'images/dot_off.jpg';
	document.getElementById("dot_"+n).src = 'images/dot_on.jpg';
	last_focus = n;
}
		
function slideSwitch() {
    var $active = $('#slideshow DIV.active');

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

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

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

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

$(function() {
    setInterval( "slideSwitch()", 3000 );
});