function show(num_menu) {
		switch (num_menu) {
			case 'sub01':
				document.getElementById('sub01L01').style.visibility = 'visible';
				document.getElementById('sub01L01').style.display = '';
				document.getElementById('sub01L02').style.visibility = 'visible';
				document.getElementById('sub01L02').style.display = '';				
				break;
			case 'sub02':
				document.getElementById('sub02L02').style.visibility = 'visible';
				document.getElementById('sub02L02').style.display = '';
				document.getElementById('sub02L03').style.visibility = 'visible';
				document.getElementById('sub02L03').style.display = '';				
				break;	
			case 'sub03':
				document.getElementById('sub03L02').style.visibility = 'visible';
				document.getElementById('sub03L02').style.display = '';
				document.getElementById('sub03L03').style.visibility = 'visible';
				document.getElementById('sub03L03').style.display = '';				
				break;	
			case 'sub04':
				document.getElementById('sub04L02').style.visibility = 'visible';
				document.getElementById('sub04L02').style.display = '';
				document.getElementById('sub04L03').style.visibility = 'visible';
				document.getElementById('sub04L03').style.display = '';				
				break;
			case 'sub05':
				document.getElementById('sub05L02').style.visibility = 'visible';
				document.getElementById('sub05L02').style.display = '';
				document.getElementById('sub05L03').style.visibility = 'visible';
				document.getElementById('sub05L03').style.display = '';				
				break;	
			case 'sub06':
				document.getElementById('sub06L02').style.visibility = 'visible';
				document.getElementById('sub06L02').style.display = '';
				document.getElementById('sub06L03').style.visibility = 'visible';
				document.getElementById('sub06L03').style.display = '';				
				break;
			case 'sub07':
				document.getElementById('sub07L02').style.visibility = 'visible';
				document.getElementById('sub07L02').style.display = '';
				document.getElementById('sub07L03').style.visibility = 'visible';
				document.getElementById('sub07L03').style.display = '';				
				break;			
		}
		setTimeout('unshow(\''+num_menu+'\')',20000);
	}	
	
	function unshow(num_menu) {
		switch (num_menu) {
			case 'sub01':
				document.getElementById('sub01L01').style.visibility = 'hidden';
				document.getElementById('sub01L01').style.display = 'none';
				document.getElementById('sub01L02').style.visibility = 'hidden';
				document.getElementById('sub01L02').style.display = 'none';						
				break;
			case 'sub02':
				document.getElementById('sub02L02').style.visibility = 'hidden';
				document.getElementById('sub02L02').style.display = 'none';				
				document.getElementById('sub02L03').style.visibility = 'hidden';
				document.getElementById('sub02L03').style.display = 'none';						
				break;	
			case 'sub03':
				document.getElementById('sub03L02').style.visibility = 'hidden';
				document.getElementById('sub03L02').style.display = 'none';				
				document.getElementById('sub03L03').style.visibility = 'hidden';
				document.getElementById('sub03L03').style.display = 'none';						
				break;	
			case 'sub04':
				document.getElementById('sub04L02').style.visibility = 'hidden';
				document.getElementById('sub04L02').style.display = 'none';				
				document.getElementById('sub04L03').style.visibility = 'hidden';
				document.getElementById('sub04L03').style.display = 'none';						
				break;
			case 'sub05':
				document.getElementById('sub05L02').style.visibility = 'hidden';
				document.getElementById('sub05L02').style.display = 'none';				
				document.getElementById('sub05L03').style.visibility = 'hidden';
				document.getElementById('sub05L03').style.display = 'none';
				break;
			case 'sub06':
				document.getElementById('sub06L02').style.visibility = 'hidden';
				document.getElementById('sub06L02').style.display = 'none';				
				document.getElementById('sub06L03').style.visibility = 'hidden';
				document.getElementById('sub06L03').style.display = 'none';
				break;	
			case 'sub07':
				document.getElementById('sub07L02').style.visibility = 'hidden';
				document.getElementById('sub07L02').style.display = 'none';				
				document.getElementById('sub07L03').style.visibility = 'hidden';
				document.getElementById('sub07L03').style.display = 'none';
				break;					
		}
	}
	
	function autenticar() {
		if ( window.event.keyCode == 13 ) {
			abre_webmail();	
		}		
	}
	
	function dispararEmail(s) {		
		if ( window.event.keyCode == 13 ) {			
			document.newsletter.emailnews.value = s;			
			document.newsletter.submit();
			document.newsletter.emailnews.value = '';			
		}
	}
	
	function abrirP() {
		if ( window.event.keyCode == 13 ) {			
			abrirPortal();
		}
	}
	
	function abrirPortal() {
		if ( document.form.fLogin.value != '' && document.form.fLogin.value != ' ' ) {			
			document.form.fTipo.value = 'aluno';
			document.form.submit();
			document.form.fLogin.value = '';
			document.form.fSenha.value = '';
			return true;
		}
		else {
			alert("Digite o Login");
			document.form.fLogin.focus();
			return false;
		}		
	}
	
	function abrirPortalProfessor()	{
		if ( document.form.fLogin.value != '' && document.form.fLogin.value != ' ' ) {			
			document.form.fTipo.value = 'professor';
			document.form.submit();
			document.form.fLogin.value = '';
			document.form.fSenha.value = '';
			return true;
		}
		else {
			alert("Digite o Login");
			document.form.fLogin.focus();
			return false;
		}
	}
	
	function copyString(s) {
		document.newsletter.emailnews.value = s;
	}
	
	function enviarEmail() {
		document.newsletter.submit();
		document.newsletter.emailnews.value = '';		
	}
	
	function abre_webmail(){ 
		document.painel_webmail.userid.value=document.painel_webmail.userid.value; 
		document.painel_webmail.action='http://pop.fsm.com.br/cgi-bin/webmail/webmail.pl'; 
		document.painel_webmail.target='_blank'; 
		document.painel_webmail.submit(); 
		document.painel_webmail.userid.value=''; 
		document.painel_webmail.password.value='';
	}