$(window).load(function(){
var supportCanvas = 'getContext' in document.createElement('canvas');
var slides = $('#slideshow li'),
current = 0,
slideshow = {width:0,height:0};
setTimeout(function(){
window.console && window.console.time && console.time('Generated In');
if(supportCanvas){
$('#slideshow img').each(function(){
if(!slideshow.width){
slideshow.width = this.width;
slideshow.height = this.height;
}
createCanvasOverlay(this);
});
}
window.console && window.console.timeEnd && console.timeEnd('Generated In');
$('#slideshow .arrow').click(function(){
var li = slides.eq(current),
canvas = li.find('canvas'),
nextIndex = 0;
if($(this).hasClass('next')){
nextIndex = current >= slides.length-1 ? 0 : current+1;
}
else {
nextIndex = current <= 0 ? slides.length-1 : current-1;
}
var next = slides.eq(nextIndex);
if(supportCanvas){
canvas.fadeIn(function(){
next.show();
current = nextIndex;
li.fadeOut(function(){
li.removeClass('slideActive');
canvas.hide();
next.addClass('slideActive');
});
});
}
else {
current=nextIndex;
next.addClass('slideActive').show();
li.removeClass('slideActive').hide();
}
});
},100);
function createCanvasOverlay(image){
var canvas = document.createElement('canvas'),
canvasContext = canvas.getContext("2d");
canvas.width = slideshow.width;
canvas.height = slideshow.height;
canvasContext.drawImage(image,0,0);
var imageData = canvasContext.getImageData(0,0,canvas.width,canvas.height),
data = imageData.data;
for(var i = 0,z=data.length;i<z;i++){
data[i] = ((data[i] < 128) ? (2*data[i]*data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));
data[++i] = ((data[i] < 128) ? (2*data[i]*data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));
data[++i] = ((data[i] < 128) ? (2*data[i]*data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));
++i;
}
canvasContext.putImageData(imageData,0,0);
image.parentNode.insertBefore(canvas,image);
}
$('#slideshow').css("display","block");
});
$(window).load(function(){
	var timeOut = null;
	$('#slideshow .arrow').click(function(e,simulated){
		if(!simulated){
			clearTimeout(timeOut);
		}
	});
	(function autoAdvance(){
		$('#slideshow .next').trigger('click',[true]);
		timeOut = setTimeout(autoAdvance,5000);
	})();
});
(function($) {
$.fn.innerfade = function(options) {
return this.each(function() {
$.innerfade(this, options);
});
};
$.innerfade = function(container, options) {
var settings = {
'animationtype': 'fade',
'speed': 'normal',
'type': 'sequence',
'timeout': 10000,
'containerheight': 'auto',
'runningclass': 'innerfade',
'children': null
};
if (options)
$.extend(settings, options);
if (settings.children === null)
var elements = $(container).children();
else
var elements = $(container).children(settings.children);
if (elements.length > 1) {
$(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
for (var i = 0; i < elements.length; i++) {
$(elements[i]).css('z-index', String(elements.length-i)).css('position', '').hide();
};
if (settings.type == "sequence") {
setTimeout(function() {
$.innerfade.next(elements, settings, 1, 0);
}, settings.timeout);
$(elements[0]).show();
} else if (settings.type == "random") {
var last = Math.floor ( Math.random () * ( elements.length ) );
setTimeout(function() {
do {
current = Math.floor ( Math.random ( ) * ( elements.length ) );
} while (last == current );
$.innerfade.next(elements, settings, current, last);
}, settings.timeout);
$(elements[last]).show();
} else if ( settings.type == 'random_start' ) {
settings.type = 'sequence';
var current = Math.floor ( Math.random () * ( elements.length ) );
setTimeout(function(){
$.innerfade.next(elements, settings, (current + 1) %  elements.length, current);
}, settings.timeout);
$(elements[current]).show();
}	else {
alert('Innerfade-Type must either be \'sequence\', \'c\' or \'random_start\'');
}
}
};
$.innerfade.next = function(elements, settings, current, last) {
if (settings.animationtype == 'slide') {
$(elements[last]).slideUp(settings.speed);
$(elements[current]).slideDown(settings.speed);
} else if (settings.animationtype == 'fade') {
$(elements[last]).fadeOut(settings.speed);
$(elements[current]).fadeIn(settings.speed, function() {
removeFilter($(this)[0]);
});
} else
alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
if (settings.type == "sequence") {
if ((current + 1) < elements.length) {
current = current + 1;
last = current - 1;
} else {
current = 0;
last = elements.length - 1;
}
} else if (settings.type == "random") {
last = current;
while (current == last)
current = Math.floor(Math.random() * elements.length);
} else
alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
setTimeout((function() {
$.innerfade.next(elements, settings, current, last);
}), settings.timeout);
};
})(jQuery);
function removeFilter(element) {
if(element.style.removeAttribute){
element.style.removeAttribute('filter');
}
}
