function showMoreTopicDescr() {
	$('#topicDescrHidden').show();
	$('#showMoreTD').hide();
	$('#hideMoreTD').show();
}

function hideMoreTopicDescr() {
	$('#topicDescrHidden').hide();
	$('#showMoreTD').show();
	$('#hideMoreTD').hide();
}

function initShowHideDegreeDescriptions() {
	$('.showMoreDegreeInfo').click(showPopDescription);
	$('.hideMoreDegreeInfo').click(hidePopDescription);
}

function showPopDescription(event) {
	var ind = this.id.substr(8);
	$('#degreePop_' + ind).show();
	$('#popHead_' + ind).css({fontWeight:'bold'});
	$('#showPop_' + ind).hide();
}

function hidePopDescription() {
	var ind = this.id.substr(8);
	$('#degreePop_' + ind).hide();
	$('#popHead_' + ind).css({fontWeight:'normal'});
	$('#showPop_' + ind).show();
}

function showMoreTaxNodes(ind) {
	$('#moreLink' + ind).hide();
	$('#showTax' + ind).show();
}

function hideMoreTaxNodes(ind) {
	$('#moreLink' + ind).show();
	$('#showTax' + ind).hide();
}

function toggleSubMenu(ind) {
	var submenu = "#submenu" + ind;
	var expander = "#expander" + ind;
	if ($(submenu).css('display') == 'none') {
		$(submenu).show();
		$(expander).removeClassName('sidenavExpander');
		$(expander).addClassName('sidenavCollapser');
	} else {
		$(submenu).hide();
		$(expander).addClassName('sidenavExpander');
		$(expander).removeClassName('sidenavCollapser');
	}
}