If you have a paid, early inmate or permanent accounts, use IJ Poll Creator to post polls or write them manually (IJ FAQ-How do I add a poll...)
Free patients may post a Poll Request

What is the difference between radio-buttons and other options? Radio-buttons are for OR answers, check boxes are for AND answers. You may see examples of all voting options in this Test Poll and try them for yourself.

Notice: All polls must be public!
Who can view this poll? ALL
Who can vote in this poll? ALL

An example poll HTML: (make sure to exit the "rich text" mode on the bottom of "update" window before cutting and pasting poll HTML in)

lj-poll name='Was Cannon Harry a Virgin on the end of book 7? (EWE)' whovote='all' whoview='all'> <lj-pq type='check'> Cannon Harry - a virgin? (EWE) <lj-pi>Yes</lj-pi> <lj-pi>No, lost his virginity in the book 7</lj-pi> <lj-pi>No, lost his virginity in the book 6</lj-pi> <lj-pi>No, lost his virginity in the book 5</lj-pi> <lj-pi>No, lost his virginity in the book 4 or before</lj-pi> </lj-pq> <lj-pq type='text' size='50' maxlength='100'> If "NO" who did cannon Harry loose his virginity to? </lj-pq> </lj-poll>

Quick key commands:
Ctrl-A (after activating the text window by clicking on it) will select all text inside the text window
Ctrl-C will copy selected text
Ctrl-V will paste the copied text into a new post window (activate the window by clicking on it first)

The example poll was created by using IJ Poll Creator and C&P from "see code"
Here is the example poll after posting it:
Cannon Harry - virgin or not?

Notice: Polls can't be edited after posting, exept for deleting the poll and posting a new corrected one (Cannon Harry, hehehe!)