// JavaScript Document
        //TAB页js
        function g(o) { return document.getElementById(o); }
        function HoverLi(n) {
            for (var i = 1; i <= 4; i++) { g('tb_' + i).className = 'normaltab'; g('tbc_0' + i).className = 'undis'; } g('tbc_0' + n).className = 'dis'; g('tb_' + n).className = 'hovertab';
        }
        //如果要做成点击后再转到请将li中的onmouseover 改成 onclick;
        function checkValue(obj, act, defaultValue) {
            if (act == 0) {
                if (obj.value == defaultValue) obj.value = '';
            } else {
                if (obj.value == '') obj.value = defaultValue;
            }
        }