rem: var prev = el.getPrevious(); var next = el.getNext(); 
add: var prev = this.active.getPrevious(); var next = this.active.getNext(); 
context: 	move: function(event, el){		el.active = true;		this.previous = this.previous || event.page.y;		this.now = event.page.y;		var direction = ((this.previous - this.now) <= 0) ? 'down' : 'up';		var prev = el.getPrevious();		var next = el.getNext();		if (prev && direction == 'up'){			var prevPos = prev.getCoordinates();			if (event.page.y < prevPos.bottom) el.injectBefore(prev);		}		if (next && direction == 'down'){			var nextPos = next.getCoordinates();			if (event.page.y > nextPos.top) el.injectAfter(next);		}		this.previous = event.page.y;	},
meta: 7052	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7052/c4252cb682139cd89b713656f8f54f375ceccd55/Sortables.js/buggy/Plugins/Sortables.js