void showMenu(int num,char *menuChar[])
{
    int i,m,key,y=4,q=8;
    window(1,2,80,2);
    puttext(2+menuLine*8,2,9+menuLine*8,2,buf2);
    if(num==5)  m=0,menuLine=0;
    else       m=8,menuLine=1;
    gettext(2+menuLine*8,2,9+menuLine*8,2,buf2);
    textbackground(0);
    textcolor(15);
    gotoxy(2+menuLine*8,1);
    cprintf("%s",menu[menuLine]);
    gettext(1+m,3,15+m,8,buf);
    window(1+m,3,15+m,8);
    textbackground(15);
    textcolor(0);
    clrscr();
    window(1+m,3,15+m,10);
    box(1,1,7,15);
    for(i=4;i<q+1;i++)
    {
        gotoxy(2,i-2);
        cprintf("%s",menuChar[i-4]);
    }
    gettext(1+m,4,14+m,4,buf1);
    textbackground(0);
    textcolor(15);
    gotoxy(2,2);
    cprintf("%s",menuChar[0]);
    key=bioskey(0);
    while(key!=KEY_ALT_X&&key!=KEY_ENTER&&key!=KEY_ESC&&key!=KEY_RIGHT)
    {
        if(key==KEY_UP||key==KEY_DOWN);
        {
            puttext(1+m,y,14+m,y,buf1);
            gotoxy(2,y-2);
            if(key==KEY_UP)y=y==4?q:y-1;
            if(key==KEY_DOWN)y=y==q?4:y+1;
            gettext(1+m,y,14+m,y,buf1);
            gotoxy(2,y-2);
            textbackground(0);
            textcolor(15);
            cprintf("%s",menuChar[y-4]);
            gotoxy(2,y-2);
        }
        key=bioskey(0);
    }
    if(key==KEY_ENTER)
    {    seleteOperation(m,y);    }
    else
    {
        textbackground(3);
        clrscr();
        window(1+m,3,15+m,10);
        puttext(1,3,80,21,buf3);
    }
    window(1,3,80,24);
    gotoxy(1,1);
}

void ver(void)
{
    int key;
    window(1,2,80,2);
    puttext(2+menuLine*8,2,9+menuLine*8,2,buf2);
    menuLine=2;
    gettext(2+menuLine*8,2,9+menuLine*8,2,buf2);
    textbackground(0);
    textcolor(15);
    gotoxy(2+menuLine*8,1);
    cprintf("%s",menu[menuLine]);
    textbackground(15);
    textcolor(0);
    window(20,8,50,20);
    clreol();
    box(1,1,12,31);
    gotoxy(2,2);
    cprintf("*********Information*********");
    gotoxy(2,3);
    cprintf("Producer:                    ");
    gotoxy(2,4);
    cprintf("                     Wilm.Gu ");
    gotoxy(2,5);
    cprintf("Programming Start Time:      ");
    gotoxy(2,6);
    cprintf("                    23/03/04 ");
    gotoxy(2,7);
    cprintf("Programming End Time:        ");
    gotoxy(2,8);
    cprintf("                    27/04/04 ");
    gotoxy(2,9);
    cprintf("Version:             v1.0    ");
    gotoxy(2,10);
    cprintf("                             ");
    gotoxy(2,11);
    cprintf("                             ");
    key=bioskey(0);
    if(key==KEY_ESC)
    {
        textbackground(3);
        clrscr();
        window(20,8,50,20);
        puttext(1,3,80,21,buf3);
    }
    textbackground(3);
    clrscr();
    window(20,8,50,20);
    puttext(1,3,80,21,buf3);
    window(1,3,80,24);
    gotoxy(1,1);    
}

void showFan(int fan)
{
    window(1,2,80,2);
    if(fan==3)
    {
        if(menuLine==0)
        {    showMenu(5,f);return;    }
        if(menuLine==1)
        {    showMenu(4,e);return;    }
        if(menuLine==2)
        {    ver();return;        }
    }
    puttext(2+menuLine*8,2,9+menuLine*8,2,buf2);
    switch(fan)
    {
        case 1:menuLine=menuLine==0?2:menuLine-1;break;
        case 2:menuLine=menuLine==2?0:menuLine+1;break;
        default:break;
    }
    gettext(2+menuLine*8,2,9+menuLine*8,2,buf2);
    textbackground(0);
    textcolor(15);
    gotoxy(2+menuLine*8,1);
    cprintf("%s",menu[menuLine]);
}

void test(int key)
{
    gettext(1,3,80,21,buf3);
    if(key==PAGE_UP)
    {    showPage(1);        }
    if(key==PAGE_DOWN)
    {    showPage(2);        }
    if(key==KEY_LEFT)
    {    showFan(1);        }
    if(key==KEY_RIGHT)
    {    showFan(2);        }
    if(key==KEY_DOWN)
    {    showFan(3);        }
    if(key==KEY_ALT_X)
    {        quitSure();        }
    if(key==KEY_ALT_F)
    {    showMenu(5,f);        }
    if(key==KEY_ALT_E)
    {    showMenu(4,e);        }
    if(key==KEY_ALT_A)
    {    ver();                 }
    if(key==KEY_ESC)
    {    quitSure();        }
}

main ()
{
    int key;
    showTitle();
    pageCount=1;
    showPageCount();
    while(1)
    {
        key=0;
        while(bioskey(1)==0)
        {
            key=bioskey(0);
            test(key);
        }
    }
}