better start menu switching for online

hyper.cpp

@@ -61,8 +61,10 @@ int main(int argc, const char **argv) {
 #if CAP_COMMANDLINE
   arg::read(3);
 #endif
+#if !ISWEB
   if(showstartmenu)
     pushScreen(showStartMenu);
+#endif
   mainloop();
   finishAll();  
   profile_info();

hyperweb.cpp

@@ -136,7 +136,8 @@ void initweb() {
   rug::renderonce = true;
   // toggleanim(false);
   emscripten_set_fullscreenchange_callback(0, NULL, false, fsc_callback);
-  pushScreen(showDemo);
+  printf("showstartmenu = %d\n", showstartmenu);
+  if(showstartmenu) pushScreen(showDemo);
   }
 
 transmatrix getOrientation() {