var p = dojox.gfx3d.lighting; return p.add(i, p.scale(-2 * p.dot(i, n), n)); }, 
var p = dojox.gfx3d.lighting; return p.add(i, p.scale(-2 * p.dot(i, n), n)); }, 
	reflect: function(i, n){		var p = dojox.gfx3d.lighting;		return p.add(i, p.scale(-2 * p.dot(i, n), n));	},
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/c7d2075e077f52d30bb22fd290f5cbb6f2dca879/lighting.js/clean/gfx3d/lighting.js