// Multistate

$(function(){
	
	// detect and disable button with empty href
	$(".course_button, .teen_button").each( function(){
		
		var $anchor = $(this);
		var $span = $(this).find("span:first");
		
		if ( !$anchor.attr("href") ) {
			$anchor.addClass("disabled").css({ "opacity":"0.2" }).click(function() { return false; });
			}
		
		});
	
});