This functionality
<button type="button" onclick="startProgress();" style="margin:9px 0px 5px;" id="start_Progress">Start Progress</button>
call in this button
<h:commandButton type="button" id="next" action="#{SelectFileGroupCreatorHandler.nextStatus}" onclick="startProgressNext();" value="Next" />
so it should just works please explain the problem you have after it called more.