$(function(){
	initDrop()
});

function initDrop(){
	var _duration = 450;
	var _hold = $('#nav li');
	if(!$.browser.msie){
		_hold.each(function(){
		var _drop = $(this).find('.drop');
			_drop.css({
				display: 'none',
				opacity:0
			});
			$(this).mouseenter(function(){
				_drop.stop().css('display','block').animate({opacity:1},{queue:false, duration: _duration});
			}).mouseleave(function(){
				_drop.stop().animate({opacity:0},{
					queue: false,
					duration: _duration,
					complete: function(){
						$(this).css('display', 'none');
					}
				});
			});
		});
	}
}