function show_poll_form() {
	var form = document.getElementById('poll_form');
	form.style.display = 'block';
	var link = document.getElementById('poll_form_link');
	link.href = 'javascript:hide_poll_form();';
	link.innerHTML = 'Do not add a poll';
	var opt1 = document.getElementById('poll_form_opt1');
	opt1.value = '';
	var opt2 = document.getElementById('poll_form_opt2');
	opt2.value = '';
	var opt3 = document.getElementById('poll_form_opt3');
	opt3.value = '';
	var opt4 = document.getElementById('poll_form_opt4');
	opt4.value = '';
	var opt5 = document.getElementById('poll_form_opt5');
	opt5.value = '';
	var opt6 = document.getElementById('poll_form_opt6');
	opt6.value = '';
	var expires = document.getElementById('poll_form_expires');
	expires.value = '';
	var addpoll = document.getElementById('addpoll');
	addpoll.value = 1;
}
function hide_poll_form() {
	var form = document.getElementById('poll_form');
	form.style.display = 'none';
	var link = document.getElementById('poll_form_link');
	link.href = 'javascript:show_poll_form();';
	link.innerHTML = 'Add a poll';
	var addpoll = document.getElementById('addpoll');
	addpoll.value = 0;
}