Loss of mouse/keyboard (WebGl)

Hi,When I do a WebGL built my aircraft mouse/keys don't respond.(works in editor).I can click on buttons fine(change view,weapons etc. Can anyone help me with 'webglinput.captureallkeyboardinput property' as to where to put it and how to use it?Been trying a long time to solve this. ) Have other WebGL builds that work just fine.Thanx for readin'.