/*** 
    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');
        });
}

$(function() {
    var playSlideshow =  setInterval( "slideSwitch()", 3000 );
		//setInterval( "slideSwitch()", 5000 );
});

/*** 
function slideSwitch( slideTo ) {
	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');
		
		// added "slideTo" variable to allow transition to a selected slide
		// defaults to null, but if it's >= 0, it will use this index for "$next"
		var slideTo = ( slideTo+1 )? slideTo : null;
		if ( slideTo != null ) $next = $('#slideshow IMG').eq(slideTo);

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

$(document).ready(function(){
	// hide all images except first to avoid initial flicker
	$("#slideshow IMG").css({opacity: 0.0});
	$("#slideshow IMG:first").css({opacity: 1.0});

	// use setInterval to traverse list
	var playSlideshow = setInterval( "slideSwitch()", 3000 );

	// create buttons to move to specific slide
	var $slideButtons = $("#slide-buttons a.slide-button");
	
	$slideButtons.click(function(){
		// stop the slideshow, to keep it from trying to overlap our transition
		clearInterval(playSlideshow);
		// call the function using the index of the clicked button
		slideSwitch( $slideButtons.index(this) );
		// restart the slideshow
		setTimeout( playSlideshow = setInterval( "slideSwitch()", 5000 ), 5000);
	});
});
***/