Implements ART, ART.Shape and ART.Group based on the current browser.
(function(){
var SVG = function(){
var implementation = document.implementation;
return (implementation && implementation.hasFeature && implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1"));
};
var VML = function(){
return ART.VML.init(document);
};
var MODE = SVG() ? 'SVG' : VML() ? 'VML' : null;
if (!MODE) return;
ART.Shape = new Class({Extends: ART[MODE].Shape});
ART.Group = new Class({Extends: ART[MODE].Group});
ART.Text = new Class({Extends: ART[MODE].Text});
ART.implement({Extends: ART[MODE]});
})();