function removeMask() {
    setTimeout(function(){
        Ext.get('loading').remove();      
        Ext.get('loading-mask').fadeOut({
            remove:true
        });
    }, 1000);
}


function openLoginForm() {
    WIN_Login.show(); 
}


function logout() {
    Ext.Ajax.request({
        url: 'php/logout.php',
        success: function() {
            document.location.href = "/";
        }
    });
    
}