nav #nav-messages-linkmenu.on .icon.messages, nav #nav-messages-linkmenu.selected .icon.messages{
background-image: url("../../../view/theme/diabook/icons/messages2.png");
}
nav #nav-messages-linkmenu.on .icon.messages, nav #nav-messages-linkmenu.selected .icon.messages{
background-image: url("../../../view/theme/diabook/icons/messages2.png");
}