$(document).ready(function () {
odd = { "background": "none" }; //奇数样式
even = { "background": "#f3f3f3" }; //偶数样式
odd_even(".gys_xq", odd, even);
});
function odd_even(id, odd, even) {
$(id).find("dl").each(function (index, element) {
if (index % 2 == 1)
$(this).css(even);
else
$(this).css(odd);
});
}