rem: if (Dimensions.positioned(el)) return el; 
add: if (Element.positioned(el)) return $(el); 
context: 	getOffsetParent: function(self){		if (!Browser.Engine.trident) return self.offsetParent;		var el = self;		while ((el = el.parentNode)){			if (Dimensions.positioned(el)) return el;		}		return false;	},
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