function sendmsgbutton(){if($("#reg_mobile").hasClass("errinput")||$("#reg_mobile").val()==""){alert("请输入手机号码");$("#reg_mobile").focus();return}var aj=$.ajax({url:'../index.php',data:{mod:'sendsms',phonenum:$("#reg_mobile").val()},type:'post',cache:false,dataType:'json',success:function(data){if($.trim(data)=="success"){}else{}},error:function(){}});var test={node:null,count:120,start:function(){if(this.count>0){this.count--;this.node.value=this.count+"秒后可重新获取";var _this=this;setTimeout(function(){_this.start()},1000)}else{this.node.removeAttribute("disabled");this.node.setAttribute("class","disabled");this.node.value=("再次发送手机验证码");this.count=120}},init:function(node){this.node=node;this.node.setAttribute("disabled",true);this.node.setAttribute("class","disable");this.start()}};var btn=document.getElementById("sendmsg");test.init(btn)}