[k3iroll]

AtoZ.

Thanks. It works now. I also found out I need to add the below declaration into the script, otherwise there'll be error.

Global $Lx[4]= [ 0, 400, 0, 400 ]
Global $Ly[4]= [ 0, 0, 265, 265 ]
Global $Rx[4]= [ 460, 860, 400, 860 ]
Global $Ry[4]= [ 325, 325, 590, 590 ]