// Slideshow Helper	
$(function() {
	$('#slideshow').cycle({ 
    fx:     'scrollLeft',
	timeout: 5000, 
	random: 1,
	before:  onBefore
});

$('#btn_play_pause').click(function() {
	var play_pause_image_obj = $('#play_pause_image');
	if (play_pause_image_obj.attr('src') == 'images/btn_pause.png') {
		play_pause_image_obj.attr('src', 'images/btn_play.png');
		play_pause_image_obj.attr('alt', 'play');
		play_pause_image_obj.attr('title', 'play');
		$('#slideshow').cycle('pause');
	} else {
		play_pause_image_obj.attr('src', 'images/btn_pause.png');
		play_pause_image_obj.attr('alt', 'pause');
		play_pause_image_obj.attr('title', 'pause');
		$('#slideshow').cycle('resume');
		$('#slideshow').cycle('next');
	}
});
    });

function onBefore() { 
    $('#overlayimageviewer').html(this.alt); 
}