replaceStarByProfileIcon.user.js

// ==UserScript==
// @name           replace star by profile icon
// @namespace      http://ss-o.net/
// @description    replace star by profile icon (for Firefox3)
// @include        http://*.hatena.ne.jp/*
// @version        1.3
// ==/UserScript==

location.href = 'javascript:(' + function(){
	var COLOR = true;
	if (this.Hatena && this.Hatena.Star){
		Array.prototype.slice.call(document.getElementsByClassName('hatena-star-star')).forEach(function(img){
			var color;
			if (/^[a-zA-Z][-\w]{1,30}[a-zA-Z\d]$/.test(img.alt)) {
				if (COLOR && (color = (/star-(\w+)\.gif/.exec(s.src)||[])[1]))
					img.style.border = '2px solid ' + color;
				img.src = Hatena.User.getProfileIcon(img.alt).src;
			}
		});
		var pushStars = Hatena.Star.Entry.prototype.pushStars;
		Hatena.Star.Entry.prototype.pushStars = function(stars, color){
			stars = stars.map(function(star) {
				var image = Hatena.User.getProfileIcon(star.name);
				image.alt = star.name;
				if (COLOR && color) image.style.outline = '2px solid ' + color;
				star.img  = image;
				return star;
			});
			pushStars.call(this, stars, color);
		};
		var showName = Hatena.Star.Star.prototype.showName;
		Hatena.Star.Star.prototype.showName = function(e){
			this.screen_name = this.name;
			showName.call(this,e);
		};
	}
}.toString() + ')();';