You can install xdotool and create a script to put at "Startup Applications" like this:

  

#!/bin/bash

#

# version 0.06 by desgua 

#

# To click at global menu

#

############################################################

h=

d=



function hittop {



eval $(xdotool getmouselocation --shell)



if [ "$Y" -lt "24" ] ; then

h=1

d=0

fi

}



while :

do



if [ "$h" = "1" ] ; then 

xdotool click 1

sleep .1

h=0

fi



eval $(xdotool getmouselocation --shell)

if [ "$Y" -gt "24" ] ; then

d=1

fi



if [ "$d" = "1" ] ; then

hittop

fi



########################

# Uncomment the following line if your cpu gets hot...

# sleep .2 

######################## 

done



exit 0

Step by step instructions:

1) Press Alt + F2 and paste gedit ~/.click.global.menu then hit Enter - this will open a blank file.

2) Paste the previous script at the blank file and save.

3) Press Alt + F2 and paste gnome-terminal - this will open a terminal.

4) At terminal paste chmod +x ~/.click.global.menu

5) Press Alt + F2 and paste gnome-session-properties - this will open the Startup Applications.

6) At Startup Applications hit "Add".

7) At dialog paste Global Menu at "Name:" and ~/.click.global.menu at "Command:" as showed in this picture:

8) Install xdotool (just click at the link and hit "Install")

9) Logout and Log back in.

10) Have fun ;-)

Automated way

1) Just open a terminal and paste this:

sudo apt-get install xdotool && cd ~/ && wget -c http://dl.dropbox.com/u/4098082/click.global.menu && chmod +x ~/click.global.menu && ~/click.global.menu