 this.model.unobserver(this); 
if (this.model) this.model.unobserver(this); 
	setModel: function(inModel){		// summary:		//	set the grid's data model		// inModel: model object		// new grid data model		this.model.unobserver(this);		this._setModel(inModel);	},
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/d970d64ac49e9de34b954562ccc581d4953c9ad2/Grid.js/buggy/grid/Grid.js