(function(a){a.fn.noisy=function(b){b=a.extend({},a.fn.noisy.defaults,b);var f,c=document.createElement("canvas");if(c.getContext){c.width=c.height=b.size;for(var h=c.getContext("2d"),d=h.createImageData(c.width,c.height),i=b.intensity*Math.pow(b.size,2),j=255*b.opacity;i--;){var e=(~~(Math.random()*c.width)+~~(Math.random()*c.height)*d.width)*4,g=i%255;d.data[e]=g;d.data[e+1]=b.monochrome?g:~~(Math.random()*255);d.data[e+2]=b.monochrome?g:~~(Math.random()*255);d.data[e+3]=~~(Math.random()*j)}h.putImageData(d,
0,0);f=c.toDataURL("image/png")}else f=b.fallback;return this.each(function(){a(this).data("original-css")==undefined&&a(this).data("original-css",a(this).css("background-image"));a(this).css("background-image","url("+f+"),"+a(this).data("original-css"))})};a.fn.noisy.defaults={intensity:0.9,size:200,opacity:0.08,fallback:"",monochrome:false}})(jQuery);