win animate

$(function () {
	var win= $(window);
	var w = 500;
	var h = 300;
	var left1 = ($(win).width())/2;
	var top1 = ($(win).height())/2;
	var left2 = ($(win).width() - w)/2;
	var top2 = ($(win).height() - h)/2;
	var dd = $("<div id='fly'>Click Me</div>")
		.appendTo($('body'))
		.css("left",left1)
		.css("top",top1);
		
		$('.search_goal_btn').click(function(e){
				dd.css("left",e.pageX)
				.css("top",e.pageY)
				.show()
				.animate({
				top:top2,
				left:left2,
				width:w,
				height:h
			},300);
			
			});
});