$res_group = db_prep_query($sql_group, $v, $t);
 // CB (begin)
 // adding new GUIs for new user (copies of gui and gui1 with owner rights)
 $gui = new gui();
 $admin = new administration();
 //create new name for gui
 $gui_id1 = $admin->getGuiIdByGuiName("gui");
 $gui_id2 = $admin->getGuiIdByGuiName("gui1");
 $gui_id3 = $admin->getGuiIdByGuiName("gui2");
 $gui_id4 = $admin->getGuiIdByGuiName("gui_digitize");
 $gui_newName1 = $name . "_gui";
 $gui_newName2 = $name . "_gui1";
 $gui_newName3 = $name . "_gui2";
 $gui_newName4 = $name . "_gui_digitize";
 //check if new gui names are already taken
 while ($gui->guiExists($gui_newName1)) {
     $gui_newName1 .= "_1";
 }
 while ($gui->guiExists($gui_newName2)) {
     $gui_newName2 .= "_1";
 }
 while ($gui->guiExists($gui_newName3)) {
     $gui_newName3 .= "_1";
 }
 while ($gui->guiExists($gui_newName4)) {
     $gui_newName4 .= "_1";
 }
 //create gui_(name) and gui1_(name)
 $gui->copyGui($gui_id1[0], $gui_newName1, true);
 $gui->copyGui($gui_id2[0], $gui_newName2, true);
 $gui->copyGui($gui_id3[0], $gui_newName3, true);