var name="FontSize";
function aumentarFonte(){
	setFontSize('150%');
	createCookie('150%');
}
function voltarFonte(){
	setFontSize('100%');
	createCookie('100%');
}
function setFontSize(valor){
	document.getElementById('layout').style.fontSize=valor;
}
function createCookie(value) {
	var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie() {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function carregarFonte() {
	var cookie = readCookie();
	if(cookie != null){
		var size = cookie ? cookie : getPreferredFontSize();
		setFontSize(size);
	}
}

function abre_video(){
	a=window.open("http://www.uscs.edu.br/institucional/video.php","video_institucional","resizable=no,width=250,height=220,status=yes,toolbar=no,menubar=no");
}
function enableSubMenus(){
	var teste = document.getElementById('menu');
	var lis = teste.getElementsByTagName('li');
	for (var i = 0, li; li = lis[i]; i++){
		var link = li.getElementsByTagName('a')[0];
		if (link){
			link.onfocus = function(){
				EscondeOutros(this.parentNode);
				var ul = this.parentNode.getElementsByTagName('ul')[0];
				if (ul)ul.style.display = 'block';
			}
			link.onmouseover = function(){
				EscondeOutros(this.parentNode);
				var ul = this.parentNode.getElementsByTagName('ul')[0];
				if (ul){
					ul.style.display = 'block';
				}
			}
			var ul = link.parentNode.getElementsByTagName('ul')[0];
			if (ul){
				var ullinks = ul.getElementsByTagName('a');
				var ullinksqty = ullinks.length;
				var lastItem = ullinks[ullinksqty - 1];
				if (lastItem){
					lastItem.onblur = function(){
						this.parentNode.parentNode.style.display = '';
					}
					lastItem.onmouseout = function(){
						this.parentNode.parentNode.style.display = '';
					}
				}
			}
		}
	}
}
function EscondeOutros(a){
	var teste = document.getElementById('menu');
	var lisul = teste.getElementsByTagName('ul');
	selecao = a.getElementsByTagName('ul')[0];
	if(selecao){
		for(i=0;i<lisul.length;i++){
			lisul[i].style.display='';
		}
	}
}
function EscondeMenu(){
	var lis = document.getElementsByTagName('li');
	for (var i = 0, li; li = lis[i]; i++){
		var link = li.getElementsByTagName('a')[0];
		if (link){
				var ul = link.parentNode.getElementsByTagName('ul')[0];
				if (ul)ul.style.display = '';
		}
	}
}
document.onclick=EscondeMenu;

function ancora(a){
	window.location = a;
}