/*--- main gallery ---*/
function initMenu(){
	var _speed = 200; //in ms
	var wait_time = 100; //in ms
	var _a = false;
	$('#nav li:has("div.subnav")').each(function(){
		var _el = $(this);
		var _t;
		var _box = _el.children('div.subnav');
		var sub_box = _box.children('ul');
		_el.mouseenter(function(){
			if(_t) clearTimeout(_t);
			_t = setTimeout(function(){
				_el.addClass('hover');
				if(_box.is(':hidden')){
					_box.css({display:'block'});
					sub_box.css({marginTop: -sub_box.outerHeight()});
					_a = _el;
				}
				sub_box.stop().animate({marginTop: 0}, _speed);
			}, wait_time);
		}).mouseleave(function(){
			if(_t) clearTimeout(_t);
			_t = setTimeout(function(){
				if(_box.is(':visible')){
					sub_box.animate({marginTop: -sub_box.outerHeight()}, _speed, function(){
						_box.hide();
						_el.removeClass('hover');
						_a = false;
					});
				}
			}, wait_time);
		});
	});
}
$(document).ready(function(){
	initMenu();
});