function closeLayer(id, setCookie){
                var layer = document.getElementById(id);
                if(setCookie)
                        Ext.state.Manager.set("layer_" + id, (new Date).format("Ymd"));
                if(layer)
                        layer.style.visibility = "hidden";
        }

        function initLayer(id){
                if(Ext.state.Manager.get("layer_" + id) != (new Date).format("Ymd")){
                        var layer = document.getElementById(id);
                        if(layer)
                                layer.style.visibility = "visible";
                }
        }