$(document).ready( function() {
	$('#slide .sub span').click( function() {
		var pid = this.className.replace('parent','');
		if ( pid ) {
			if ( $('#slide .sub div.children'+pid)[0].style.display == 'none' ) {
				$('#slide .sub div.sc').slideUp('fast');
				$('#slide .sub span img').each( function(i) { 
					this.src = 'wp-content/themes/frac/css/arrows/out.gif';
					this.className = 'clicked';
				});
				$('#slide .sub span.parent'+pid+' img')[0].src = 'wp-content/themes/frac/css/arrows/down.gif';
				$('#slide .sub div.children'+pid).slideDown('fast');
			} else {
				$('#slide .sub span.parent'+pid+' img')[0].src = 'wp-content/themes/frac/css/arrows/out.gif';
				$('#slide .sub span.parent'+pid+' img')[0].className = '';
				$('#slide .sub div.sc').slideUp('fast');
			}
		}
	});
});