How to make multiplayer online game in flash?

[font=Arial][size=3]How to make multiplayer online game in flash ?[/size][/font]

[font=Arial][size=3]I have a simple project for multiplayer game.[/size][/font]

[font=Arial][size=3][color=black][font=Arial]Project script available on this link:[/font][/color][font=Arial][/font][/size]

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[font=Arial][size=3]http://www.pixel2it.com/sample/FullGameScript.doc[/size][/font]
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[font=Arial][size=3]Inside this file:[/size][/font]
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[font=Arial][size=3][font=Arial]The Project Plan[/font]

[center][font=Verdana]Task[/font]

[font=Verdana]Description[/font]

[font=Verdana]Flash Game[/font]

[font=Verdana]Description of the Flash Game Client.[/font]

[font=Verdana]Multiplayer[/font]

[font=Verdana]The multiplayer aspect of the Flash Game[/font]

[font=Verdana]Communication[/font]

[font=Verdana]The Client / Server Communication[/font]

[font=Verdana]Delivering[/font]

[font=Verdana]Delivering the result[/font]

[font=Verdana]Judging[/font]

[font=Verdana]Judging the result[/font]

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[font=Arial][size=3]I have no idea about multiplayer online game. [color=red]Please help me for developing it.[/color][/size][/font]