Use already existing XHTML check to determine if event handling polyfill is needed
Use already existing XHTML check to determine if event handling polyfill is needed

CCLDESTY/xml3d.js,ariyapour/xml3d.js,xml3d/xml3d.js,xml3d/xml3d.js,CCLDESTY/xml3d.js,Fiware/webui.Xml3d.js,Fiware/webui.Xml3d.js,ariyapour/xml3d.js