void set_value(int id) // sets selected menu item
{
for(int i=0; i<nItems; i++) popmenu.CheckMenuItem(i+100,MF_UNCHECKED);
popmenu.CheckMenuItem(id+100,MF_CHECKED);
CString txt;
popmenu.GetMenuString(id+100, txt, 24 );
back.redraw();
butt.redraw();
txtbox.SetWindowText(txt);
curr_sel=id+100;
};
