function dropdown(id, defaultValue) {
	var select = "<select id='dd-"+id+"'><option value='Choose'>"+defaultValue+"</option>";
	$('#'+id+' ul').each(function(){
		listElements = $(this).children('li');
		listElements.each(function(index, obj) {
			select += "<option value='"+$(obj).children('a')[0].rel+"' "+($(obj).children('a')[0].className=="active" ? " selected " : "")+" id='"+$(obj).children('a')[0].id.substring(2)+"'>"+$(obj).children('a')[0].innerHTML+"</option>";		
		});
		
	});
	select += "</select>";

	//replace original list with dropdown
	$('#'+id).html(select);
}