Mini Shell

// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target

$.extend($.fn, {
	validateDelegate: function( delegate, type, handler ) {
		return this.bind(type, function( event ) {
			var target = $(event.target);
			if ( target.is(delegate) ) {
				return handler.apply(target, arguments);
			}
		});
	}
});