$.fn.editable = function(url, options) {
	// Options
	options = arrayMerge({
	"url": url,
	"paramName": "q",
	"callback": null,
	"saving": "saving ...",
	"type": "text",
	"submitButton": 0,
	"delayOnBlur": 0,
	"extraParams": {},
	"editClass": null
	}, options);
	// Set up
	this.click(function(e) {
		if (this.editing) return;
		if (!this.editable) this.editable = function() {
			var me = this;
			me.editing = true;
			me.orgHTML = $(me).html();
			me.innerHTML = "";
			if (options.editClass) $(me).addClass(options.editClass);
			var f = document.createElement("form");
			var i = createInputElement(me.orgHTML);
			var t = 0;
			f.appendChild(i);
			if (options.submitButton) {
				var b = document.createElement("input");
				b.type = "submit";
				b.value = "OK";
				f.appendChild(b);
			}
			me.appendChild(f);
			i.focus();
			$(i).blur(
			options.delayOnBlur ? function() { t = setTimeout(reset, options.delayOnBlur) } : reset
			)
			.keydown(function(e) {
				if (e.keyCode == 27) { // ESC
					e.preventDefault;
					reset
				}
			});
			$(f).submit(function(e) {
				if (t) clearTimeout(t);
				e.preventDefault();
				var p = {};
				p[i.name] = $(i).val();
				p['element_id'] = me.id;
				$(me).html(options.saving).load(options.url, arrayMerge(options.extraParams, p), function() {
					// Remove script tags
					me.innerHTML = me.innerHTML.replace(/<\s*script\s*.*>.*<\/\s*script\s*.*>/gi, "");
					// Callback if necessary
					if (options.callback) options.callback(me);
					// Release
					me.editing = false;
				});
			});
			function reset() {
				me.innerHTML = me.orgHTML;
				if (options.editClass) $(me).removeClass(options.editClass);
				me.editing = false;
			}
		};
		this.editable();
	})
	;
	// Don't break the chain
	return this;
	// Helper functions
	function arrayMerge(a, b) {
		if (a) {
			if (b) for(var i in b) a[i] = b[i];
			return a;
		} else {
			return b;
		}
	};
	function createInputElement(v) {
		if (options.type == "textarea") {
			var i = document.createElement("textarea");
			options.submitButton = true;
			options.delayOnBlur = 100; // delay onBlur so we can click the button
		} else {
			var i = document.createElement("input");
			i.type = "text";
		}
		$(i).val(v);
		i.name = options.paramName;
		return i;
	}
};