resetfb()
{
        RESOLUTION=`tvservice -s | cut -d"," -f 2 | awk '{print $1}'`
        W=`echo $RESOLUTION | cut -d"x" -f 1`
        H=`echo $RESOLUTION | cut -d"x" -f 2`
        fbset -xres $W -yres $H
        chvt 9
        chvt 7
}