//短信操作var wait=60;function time() {    var code = document.getElementById('code_send');    if (wait == 0) {        code.removeAttribute("disabled");                    code.innerHTML="获取验证码";        wait = 60;    } else { // www.jbxue.com        code.setAttribute("disabled", true);        code.innerHTML="重新发送(" + wait + ")";        wait--;        setTimeout(function() {            time()        },        1000)    }}