// ==UserScript==
// @name       MTC Poll Hider
// @version    1.0
// @include      http://www.mturkcrowd.com/*
// @include      https://www.mturkcrowd.com/*
// @description Hide and toggle polls on MTurk Crowd.
// @namespace https://greasyfork.org/users/11205
// ==/UserScript==
$(".PollContainer").before('<button id="toggle" type="button"><span>Show Poll</span></button>');
$(".PollContainer").hide();
// Toggles instructions and changes toggle text.
$('#toggle').click(function() {
$(".PollContainer").toggle();
$('#toggle').text() == 'Show Poll' ? str = 'Hide Poll' : str = 'Show Poll';
$('#toggle span').html(str);
});