(function ($){ 
$.effects.drop = function (o){ 
return this.queue(function (){ 
var el = $(this), props = ['position', 'top', 'left', 'opacity'] ; 
var mode = $.effects.setMode(el, o.options.mode || 'hide'); 
var direction = o.options.direction || 'left'; 
$.effects.save(el, props); 
_AN_Call_show('show', el); 
$.effects.createWrapper(el); 
var ref = (direction == 'up' || direction == 'down')? 'top': 'left'; 
var motion = (direction == 'up' || direction == 'left')? 'pos': 'neg'; 
var distance = o.options.distance || (ref == 'top'? el.outerHeight({ 
margin: true }
) / 2: el.outerWidth({ 
margin: true }
) / 2); 
if (mode == 'show') el.css('opacity', 0).css(ref, motion == 'pos'? - distance: distance); 
var animation = { 
opacity: mode == 'show'? 1: 0}
; 
animation[ref] = (mode == 'show'? (motion == 'pos'? '+=': '-='): (motion == 'pos'? '-=': '+=')) + distance; 
el.animate(animation, { 
queue: false ,
duration: o.duration,
easing: o.options.easing,
complete: function (){ 
if (mode == 'hide') el.hide(); 
$.effects.restore(el, props); 
$.effects.removeWrapper(el); 
if (o.callback) o.callback.apply(this, arguments); 
el.dequeue(); 
} 
}
); 
} 
); 
} 
; 
} 
)(jQuery);