function mouseover(s, menudivid, condivid, cssclass, noneclass) {
        var outdiv = s.parentNode.parentNode;
        var menudiv = document.getElementById(menudivid);
        var condiv = document.getElementById(condivid);
        var menus = menudiv.childNodes;
        var cons = condiv.childNodes;
        var chooseid = 0;
        var j = 0;
        for (i = 0; i < menus.length; i++) {
            if (menus[i].nodeType == 1) {
                if (menus[i] == s) {
                    menus[i].className = cssclass;
                    chooseid = j;
                }
                else {
                    menus[i].className = noneclass;
                }
                j++;
            }
        }

        j = 0;
        for (i = 0; i < cons.length; i++) {
            if (cons[i].nodeType == 1) {
                if (j == chooseid) {
                    cons[i].style.display = 'block';
                }
                else {
                    cons[i].style.display = 'none';
                }
                j++;
            }
        }
    }