$(document).observe("dom:loaded", function() {
	$$(".tabMost").invoke("observe","click", function(){
		if (!this.hasClassName("active")) {
			$$(".tabMost.active").invoke("removeClassName","active");
			this.addClassName("active");
			
			$$(".tabContent.visible").invoke("removeClassName","visible");
			$(this.identify()+"Content").addClassName("visible");
		}
	});
});