$(function () {

	var heads = [];
	$('dl dt:first-child').each(function () {
            heads.push(this);
    });
    
    $(heads).click(function() {
    	var $target = $(this).parent().children('dd');
    	if($target.css('display')=='none') {
    		$target.slideDown("first");
    	} else {
    		$target.slideUp("first");
    	}
    });

});