loading application

Hello everybody,
I have developed an SDI Application. I am writing the installation script for my application using InstallShield. what i want is from the browser i need to load my application.
For Example, if we type mailto:"e-mail address" in the combobox of the browser and press enter, the mailer gets started. like that i need to load my application from the browser.
what should i do in the installation script. if any one has the idea please guide me.
thanking you,

Environment : VC++6.0, MFC, WinNT 4.0 and InstallShield 6.0

with regards,
--sekhar.
e-mail : [email protected]