function preLM(){
        var menu;
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap1-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap2-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap3-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap4-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap5-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap6-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap7-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap8-trans.gif";
        menu = new Image(); menu.src = "/assets/common/floor/images/fclmap9-trans.gif";
}
function mapon(n){
        document.images["map"].src = "/assets/common/floor/images/fclmap" + n + "-trans.gif";
}
function mapoff(){
        document.images["map"].src =  "/assets/common/floor/images/fclmap_base.gif";
}