obtain the max resolution of picasa url

hiresimg.js

(function () {
	var hiresurl,
		hiresimg;

	hiresurl = function hiresurl (source) { return source.replace(/\/s\d+\//i, "/s0/"); };
	hiresimg = function hiresimg (){
		var imgs = document.getElementsByTagName("img"),
			len = imgs.length,
			img;

		for (var i = len-1; i+1; i--) {
			img = imgs[i];
			img.src = hiresurl(img.src);
		}
	};

	hiresimg();
})();