$("#zphone").click(function(){			var tel2 = $("#regTel").val();			if(flag.tel){				$.post(						"<%=path%>/main/login_regCode.action",						{"tel":tel2},						function(data){							if(data){								if(data =http://www.mamicode.com/="has"){									RemainTime();								}							}						}					);				return false;			}else{				alert("必须为移动用户！");			}					});var iTime = 59;	var Account;	function RemainTime(){		document.getElementById(‘zphone‘).disabled = true;		var iSecond,sSecond="",sTime="";		if (iTime >= 0){			iSecond = parseInt(iTime%60);			iMinute = parseInt(iTime/60);			if (iSecond >= 0){				if(iMinute>0){					sSecond = iMinute + "分" + iSecond + "秒";				}else{					sSecond = iSecond + "秒";				}			}			sTime=sSecond;			if(iTime==0){				clearTimeout(Account);				sTime=‘获取手机验证码‘;				iTime = 59;				document.getElementById(‘zphone‘).disabled = false;			}else{				Account = setTimeout("RemainTime()",1000);				iTime=iTime-1;			}		}else{			sTime=‘没有倒计时‘;		}		document.getElementById(‘zphone‘).value = http://www.mamicode.com/sTime;"验证码超时！");		}	}界面：
 <li>   <label>验 证 码：         <input type="text" name="code" class="ipt"  id="regCode"/>         <input type="submit" id="zphone"  value="http://www.mamicode.com/发送验证码" class="submitBtn1" />           <font color="#ff0000">* 不能为空</font>     </label></li>