const int step_main=1;
const int step_login=2;
const int step_adduser=3;
const int step_logout=4;
const int step_image=5;
const int step_public=6;
const int step_projects=7;
const int step_mails=8;
const int step_talks=9;
const int step_confirm=10;
const int step_profile=11;
const int step_doc=12;
const int step_incomplete=13;
const int step_doctopic=14;
const int step_fullscreen=15;
const int step_techdoc=17;