$(window).load(function(){var supportCanvas='getContext'in document.createElement('canvas');var slides=$('#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);}});