Or you can try this.
changing your proxy every time you download from Rapidshare so you don't have to wait 60 mins after each file.
Changing Your Proxy Server Setting in Internet Explorer
If you are using a PC through a dial-up connection:
From the "Tools" menu, select "Internet Options.".
Click the Connections tab.
Click on your ISP in the "Dial Up Settings" list.
Click on the "Settings" button.
Uncheck "Use a proxy server."
Click "OK" twice to save your preferences.
If you are using a PC through a broadband connection:
From the "Tools" menu, select "Internet Options".
Click the "Connections" tab.
Under "Local Area Network Settings," select "LAN Settings".
Under the header of "Proxy Server," uncheck "Use a Proxy Server ."
Click " OK" twice to save your preferences.