Need Help regarding Internet Sharing

I have two Pc’s connected each other by peer-to-peer networking using win98. I can access all files of one from another. On first pc which have modem i installed Internet Sharing & make a disk to configure another pc. By using that disk I have configured another Pc. It’ also gave me message ‘Browsers configured successfully’. When i connect on net. I can access all webpages from first one but another one when i try to open any webpage it doesn’t open.On first pc it also shows me ‘Two PC’s are sharing Internet’.

Can anyone have information about it?