function MainMenuHide()
{
    if(dontHide!=1)
    {
        var element = document.getElementById("menuBody");
        if( element ) element.style.display = 'none';
      
        element = document.getElementById("menuLogo");
        if( element ) element.className = 'sidebarTitleBar sidebarTitleBarNoBorder';
        
        element = document.getElementById("pinBtn");
        if( element ) element.style.display = 'none';
    }
}