Java Program on the Internet -How? Urgent

Hello,
I developed a Mutithread TCPIP socket based Network program "Forex Simulator". It's an applet both from the server side and client side. The Program needs to access the socket as well as Database. The Program is simple. After starting server, many clients can connect and buy and sell currency.
I ran this in my home LAN. Initially, I was having trouble with running applet which rejects socket connection. After searching on the net I modified the Java Run Time Environment java.Policy file and modify permission to connect to my server IP and it works.
I have to upload this program on to internet in a shared server. What should I follow to successfully run this on the net.
There are many java chat program, chart, forex simulator running on the internet. How can I implement my program like that.
Thanking you.
Please please reply me, if someone knows it.

Thanks for your comments.
1.- Applets are not server side application but, client side, this means that ALWAYS an applet is downloaded to each client machine and if your "server applet" opens sockets, then every client machine will have its sockets opened but not the web server.
Now I understand what applet really does. My server applet opens socket in my local machine. But I don' want that. I want the program to open the socket on server that means in my case http://webpagedesignpro.com and client will connect to the port of that server.
3.- To create a server on your web server you need to run a stand alone app on the server or use something like J2EE
I badly need to implement my program on the internet. Is there any tutorials or example anywhere for "How to run standalone program on a web server " or J2ee.Standalone means it's not an applet, am I right? As ejp mentioned there is no server applet, so how can I make the serverside program running on a server where client can connect to that server.
Finally, What are the steps of or what is the java technology which can run a chat server on the net where people from all over the world can chat to each other. My program is same as a chat server.
Thanks again.

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