function makeVisible(whichNavs){
	document.getElementById(whichNavs).style.display=(document.getElementById(whichNavs).style.display=="none")?"block":"none";
}

 $(document).ready(function() {
	$("dl.accordion dt").append('<span class="view_description">Click to view description</span>');
	$("dl.accordion dd").hide();
	$(".accordion dt").click(function() {
		var tempvar = $(this).attr("class");		
		 $(".accordion dt.selected").removeClass('selected');
		 $(".accordion dd.selected").slideUp(200).removeClass('selected');
		 if (tempvar != 'selected') {
			 $(this).addClass('selected');
			 $(this).next("dd").addClass('selected').slideDown(500);
		 }
	 });
 });