I have a chat program and the only problem is with the client forms that i make i have to connect them to my computer,where the server is..but since i have a dial-up modem everytime i come online my ip changes...so how would i go about having a server on my computer that everytime i come online my computer's ip would be put on the server for me..or i would do it myself through a text box? i guess??
or any opinions of what would be a good way to go about this?

Thank you.