var rules = {};
			
rules['#Menu2 img.showhide'] = {
	onclick : function() {
		if(this.alt == 'Minus') {
			$('GroupChildren-' + this.id).style.display = 'none';
			this.src = 'themes/dogmog/images/plus.gif';
			this.alt = 'Plus';
		}
		else {
			$('GroupChildren-' + this.id).style.display = 'block';
			this.src = 'themes/dogmog/images/minus.gif';
			this.alt = 'Minus';
		}
	}
};

Behaviour.register(rules);