chrome image download bookmarklet

download-images.js

// This script is modified from http://d.hatena.ne.jp/Griever/20100904/1283603283
// The original happens a error "TypeError: object is not a function" on chrome 14
javascript:(function(){
	var regexp = /https?:\/\/[^&?#]+?\.(?:jpe?g|png|gif|bmp)(?:$|\b)/i;
	var array = Array.prototype.slice.call(document.querySelectorAll(
		'a[href*=".png"], a[href*=".gif"], a[href*=".jpg"], a[href*=".jpeg"], a[href*=".bmp"],' + 
		'a[href*=".PNG"], a[href*=".GIF"], a[href*=".JPG"], a[href*=".JPEG"], a[href*=".BMP"]'
	));
	
	for (var i = 0, l = array.length; i < l; i++) {
		/* var m = regexp(array[i].href); */
		var m =array[i].href.match(regexp);
		if (!m) continue;
		var a = document.createElement('a');
		a.href = m;
		dispatchMouseEvents({ type:'click', altKey:true, target:a, button:0 });
	}

	function dispatchMouseEvents(opt) {
		var evt = document.createEvent('MouseEvents');
		evt.initMouseEvent(opt.type, opt.canBubble||true, opt.cancelable||true, opt.view||window, 
		                   opt.detail||0, opt.screenX||0, opt.screenY||0, opt.clientX||0, opt.clientY||0, 
		                   opt.ctrlKey||false, opt.altKey||false, opt.shiftKey||false, opt.metaKey||false, 
		                   opt.button||0, opt.relatedTarget||null);
		opt.target.dispatchEvent(evt);
		return evt;
	}
})();;