function muda_tags()
{
    var selecionado = document.getElementById('area_escolhida').value;
    switch ( selecionado )
    {
    	case 'A': 
        	document.getElementById('form_login').action 	= "http://rm.facpoli.edu.br/portalcorporerm/Login.aspx?AutoLogin=ExternalLogin";
        	document.getElementById('user').name			= "user";
        	document.getElementById('senha').name			= "pass";
        	document.getElementById('submit').name			= "ok_rm";
        break;
        
    	case 'P': 
        	document.getElementById('form_login').action 	= "http://rm.facpoli.edu.br/portalcorporerm/Login.aspx?AutoLogin=ExternalLogin";
        	document.getElementById('user').name			= "user";
        	document.getElementById('senha').name			= "pass";
        	document.getElementById('submit').name			= "ok_rm";
        break;
    
        case 'B':
        	document.getElementById('form_login').action 	= "http://biblioteca.facpoli.edu.br/cgi-bin/infoempweb.exe/login?NIVEL=100";
 			document.getElementById('user').name			= "login";
        	document.getElementById('senha').name			= "pwdinfo";
        	document.getElementById('submit').name			= "FormsButton1";
        break;
        
        case 'W':
        	document.getElementById('form_login').action 	= "http://mail.fpu.com.br/webmail/src/redirect.php";
        	document.getElementById('user').name			= "login_username";
        	document.getElementById('senha').name			= "secretkey";
        	document.getElementById('submit').name			= "ok_email";
        break;
    }
}

function js_val_form_login()
{
	with( document.form_login )
	{
		if( document.getElementById('area_escolhida').value == '' )
		{
			alert("Por favor, selecione um Espaço Politécnica.");
			document.getElementById('area_escolhida').focus();
			return false;
		}
	
		if( document.getElementById('user').value == '' || document.getElementById('user').value == 'Usuário' )
		{
			alert("Por favor, informe o Usuário.");
			document.getElementById('user').focus();
			return false;
		}
		
		if( document.getElementById('senha').value == '' || document.getElementById('senha').value == 'Senha' )
		{
			alert("Por favor, informe a Senha.");
			document.getElementById('senha').focus();
			return false;
		}
		
		return true;
	}
}