// ad function dy(code) { var ojs=''; if (code=="top210x90_1"){ document.write(''); document.write(ojs);} if (code=="top210x90_2"){ document.write(''); document.write(ojs);} if (code=="top728x90&qu ot;){ document.writeln("'); document.write(ojs);} i
倒计时——从10倒数到0,点击按钮会还原倒计时
[removed]
var oT = document.getElementById("txt");
var oB = document.getElementById("btn");
var timer;
//封装一个开始倒数的函数
function star