add: return this; 
context: 	scrollTo: function(x, y){		this.scrollLeft = x;		this.scrollTop = y;	},
meta: 5569	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5569/73e82e776e0f715130186dae1a6d0a04aa910d47/mootools-trunk.js/buggy/wicket-contrib-mootools/src/java/wicket/contrib/mootools/mootools-trunk.js