var divided = argument0;
var divider_x = scr_shop_divider_pos();
draw_set_color(c_white);
ossafe_fill_rectangle(0, 120, 320, 240);
draw_set_color(c_black);
if (divided)
{
    ossafe_fill_rectangle(4, 124, divider_x - 1, 236);
    ossafe_fill_rectangle(divider_x + 4, 124, 316, 236);
}
else
{
    ossafe_fill_rectangle(4, 124, 316, 236);
}