if mb = 1 and mx > 150 and my > 220 and mx < 200 and my < 270 then
        col := black
    elsif mb = 1 and mx > 150 and my > 10 and mx < 200 and my < 60 then
        col := red
    elsif mb = 1 and mx > 150 and my > 80 and mx < 200 and my < 130 then
        col := blue
    elsif mb = 1 and mx > 150 and my > 150 and mx < 200 and my < 200 then
        col := yellow
    end if