$(document).ready(function(){
	// Hides the div directly after an h2 with the class "drop_down"
	$("h2.drop_down + div").hide();
	// When an h2 with class "drop_down" is pressed, toggle visibility of its div
	$("h2.drop_down").click(function(){
		$(this).next().slideToggle('fast');
	});
});