/*** 
    Simple jQuery Slideshow Script
    Released by Jon Raasch (jonraasch.com) under FreeBSD license: free to use or modify, not responsible for anything, etc.  Please link out to me if you like it :)
***/

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

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

    // use this to pull the images in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    // uncomment the 3 lines below to pull the images in random order
    
    // var $sibs  = $active.siblings();
    // var rndNum = Math.floor(Math.random() * $sibs.length );
    // var $next  = $( $sibs[ rndNum ] );


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


    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active')
				.css("top", 0);
			moveUp();
        });

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

	var scrollspeed = 70;
	var step = 1;
	var current = 0;
	var imgHeight = $active.height();
	var conHeight = $('#slideshow').height();
	var endPos = -(imgHeight - conHeight) + "px";

	$active.animate({
		top: endPos
	}, 8000, "swing", function(){ slideSwitch() } );

}

$(document).ready(function() {
	var fstImg = $('#slideshow img')[0];
	var secImg = $('#slideshow img')[1];

	// se ja carregou a 2a imagem, inicia animacao
	if(fstImg.complete == 'true' && secImg.complete == 'true')
		moveUp();
	else
		// senao, espera carregar
		$(secImg).ready(function() { moveUp(); });

});