(function(){
	fcb = function(d) {
		ktndata = d;
		var p = document.getElementsByTagName('img');
		for (var i in p) {     
			//Set the explicit height / width otherwise images get resized to the size of the kitten image rather than staying at their original size
			p[i].width = p[i].width;
			p[i].height = p[i].height; 
			p[i].src = d.items[Math.floor(Math.random()*(d.items.length))].media.m;
		}
	};

	if (typeof ktndata == 'undefined') {
		var jp = document.createElement('script');
		jp.setAttribute('type','text/javascript');
		jp.setAttribute('src','http://api.flickr.com/services/feeds/photos_public.gne?tags=kitten&tagmode=any&format=json&jsoncallback=fcb');
		document.getElementsByTagName('head')[0].appendChild(jp);
	}
	else {
		fcb(ktndata);
	}
})();