add: this.fireEvent('onCancel', this.element); 
context: 	cancel: function(event){		this.document.removeEvent('mousemove', this.bound.check);		this.document.removeEvent('mouseup', this.bound.cancel);		event.stop();	},
meta: 6317	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6317/23e557a3111cacb1a4982b89d05602f3a5d7639b/Drag.js/clean/Source/Drag/Drag.js