function menuover(menu) {
	if (menu) {
    var tpmenu = menu - 1;
    var btmenu = menu + 1;
    
    if (btmenu < 12) {    
        var botmenu = document.getElementById("menu" + btmenu);
        addClass(botmenu, "notopborder");
    }
    if (tpmenu > 0) {
        var topmenu = document.getElementById("menu" + tpmenu);
        addClass(topmenu, "nobotborder");
    }
    
    var currmenu = document.getElementById("menu" + menu);
    addClass(currmenu, "hover");
	}
}; 

function menuout(menu) {
	if (menu) {
    var tpmenu = menu - 1;
    var btmenu = menu + 1;
    
    if (btmenu < 12) {    
        var botmenu = document.getElementById("menu" + btmenu);
        removeClass(botmenu, "notopborder");
    }
    if (tpmenu > 0) {
        var topmenu = document.getElementById("menu" + tpmenu);
        removeClass(topmenu, "nobotborder");
    }
    
    var currmenu = document.getElementById("menu" + menu);
    removeClass(currmenu, "hover");
    }
}; 

function navbarover(nb) {
    var leftdelim = document.getElementById("navbardelim" + nb);
    addClass(leftdelim, "hlleft");
    
    var rdelim = nb + 1;    
    var rightdelim = document.getElementById("navbardelim" + rdelim);
    addClass(rightdelim, "hlright");
    
    var navbar = document.getElementById("navbar" + nb);
    addClass(navbar, "hilight");

};

function navbarout(nb) {
    var leftdelim = document.getElementById("navbardelim" + nb);
    removeClass(leftdelim, "hlleft");    
    
    var rdelim = nb + 1;    
    var rightdelim = document.getElementById("navbardelim" + rdelim);
    removeClass(rightdelim, "hlright");
    
    var navbar = document.getElementById("navbar" + nb);
    removeClass(navbar, "hilight");

};