function pauseSlideshow(){
    $('#slideshow').cycle('pause');
    $('#pause-button').css('background-image',"url('img/slideshow_playing.gif')")
}
function playSlideshow(){
    $('#slideshow').cycle('resume');
    $('#pause-button').css('background-image',"url('img/slideshow_paused.gif')")
} 
$('document').ready( function(){
	$('#slideshow').cycle({ 
		fx: 'fade',
		speed: 1500,
		timeout: 6500, 
		cleartype: true
	 });

	$('#pause-button').toggle( pauseSlideshow, playSlideshow);
});