PlayOnLinux CrossFire installer

#!/bin/bash
#Date : (27-11-2012)
# Last revision : (27-11-2012)
# Wine version used : 1.5.18
# Distribution used to test : Lubuntu 12.10 32bit
# Author : Hyperfang8
# Script licence : Public Domain
# Program licence : Freeware/Shareware
# Depend : Play On Linux

[ "$PLAYONLINUX" = "" ] && exit 0
source "$PLAYONLINUX/lib/sources"

#System variables
#$(eval_gettext '')
TITLE="CrossFire"
PREFIX="CrossFire"
WINEVER="1.5.18"
DOWNLOADURL="http://download.g4box.com/crossfire_downloader.exe"
MDSUM=""
SETUPNAME="crossfire_downloader.exe"

POL_SetupWindow_Init
POL_Debug_Init
POL_SetupWindow_presentation "$TITLE" "z8games" "http://crossfire.z8games.com/" "HyperFang8" "$PREFIX"

POL_Wine_SelectPrefix "$PREFIX"
POL_Wine_PrefixCreate "$WINEVER"
POL_System_TmpCreate "$PREFIX"


#POL_Call POL_Install_vcrun2010
POL_Call POL_Install_wininet


POL_SetupWindow_InstallMethod "LOCAL,DOWNLOAD"

if [ "$INSTALL_METHOD" = "LOCAL" ]
then
     POL_SetupWindow_browse "$(eval_gettext 'Choose $TITLE setup file!')" "$TITLE"
    SETUPNAME="$APP_ANSWER"
elif [ "$INSTALL_METHOD" = "DOWNLOAD" ]
then
    cd "$POL_System_TmpDir"
    POL_Download "$DOWNLOADURL"
fi
POL_SetupWindow_wait "$(eval_gettext '$TITLE is instaling.')" "$(eval_gettext '$TITLE instalation')"
POL_Wine start /unix "$SETUPNAME"

POL_SetupWindow_message "$(eval_gettext 'Please make sure instalation is finished before pressing next!\nNOTE: Instalation might seem like lagging , leave it like that!\nWARNING: Do not use PAUSE,STOP or MINIMIZE buttons!')" "$TITLE"
POL_System_TmpDelete
#POL_Shortcut "CrossFire.exe" "$TITLE"
#Kills PMB?
POL_Wine_reboot

POL_SetupWindow_Close
exit