Login with multiple yahoo accounts simulaneously

If you have multiple yahoo ids and would want to login simulatenously. But pls bacukup your registry before you do this.Go to Start -> Run

• Type “regedit” (regedit = Registry Editor)
• Navigate to: HKEY_CURRENT_ USER\Software\yahoo\pager\Test
• On the right side, right click and choose “new Dword” value
• Rename it as “Plural”
• Double click it and assign a “decimal value” of “1”
• Exit registry