$(document).ready(function(){
	// Hide the content tables for each subgroup within the documents section:
	$('#documents .instruction_cat').hide();

	// Add arrow characters before the H4 contents so they're visibly expandable:
	$('#documents .document_section_title').prepend('» ');

	// Expand the contents:
	$('h4.document_section_title').click(function(){
		$('#documents .instruction_cat').slideUp('slow');

		if($(this).siblings('.instruction_cat').is(':hidden')){
			$(this).siblings('.instruction_cat').slideDown('slow');
		} else {
			$(this).siblings('.instruction_cat').slideUp('slow');
		}
	});
});