(function(d){d.fn.shake=function(a){"function"===typeof a&&(a={callback:a});a=d.extend({direction:"left",distance:20,times:3,speed:140,easing:"swing"},a);return this.each(function(){var b=d(this),k={position:b.css("position"),top:b.css("top"),bottom:b.css("bottom"),left:b.css("left"),right:b.css("right")};b.css("position","relative");var c="up"==a.direction||"down"==a.direction?"top":"left",e="up"==a.direction||"left"==a.direction?"pos":"neg",f={},g={},h={};f[c]=("pos"==e?"-=":"+=")+a.distance;g[c]=
("pos"==e?"+=":"-=")+2*a.distance;h[c]=("pos"==e?"-=":"+=")+2*a.distance;b.animate(f,a.speed,a.easing);for(c=1;c<a.times;c++)b.animate(g,a.speed,a.easing).animate(h,a.speed,a.easing);b.animate(g,a.speed,a.easing).animate(f,a.speed/2,a.easing,function(){b.css(k);a.callback&&a.callback.apply(this,arguments)})})}})(jQuery);