function showAllCats() {
	document.getElementById('cat_list').style.display = '';
	document.getElementById('cat_list_but').style.display = 'none';
}

function showOtherSubj() {
	ssel = document.getElementById("subject_sel");
	if (ssel[ssel.selectedIndex].value == 'Other')
	{
		document.getElementById("subject_txt").style.display = '';
	} else {
		document.getElementById("subject_txt").style.display = 'none';
	}
}