I have a web application which i have developed but i want everyone in my organisation to have access to the application and i do not want them to type localhost befor the name of the folder, please how do i go about this, so that i can have just a name typed in the address bar instead of localhost/name.

You can change the file, hosts.
I'm using XP Pro and it's located in C:\WINDOWS\system32\drivers\etc.

Just edit this file and add one entry such as

127.0.0.1 localhost
127.0.0.1 whateverhost ' your new entry