$(document).ready(function(){	
	$(".accordion h3:first").addClass("active");
	$(".accordion .accordion_content:not(:first)").hide();

	$(".accordion h3").click(function(){
		$(this).next(".accordion_content").slideToggle("fast")
		.siblings(".accordion_content:visible").slideUp("fast");
		$(this).toggleClass("active");
		$(this).siblings("h3").removeClass("active");
	});
});