function checkMobile(form){
	  //var v=form.mobile.value;
	  if(form.mobile.value==''){
     alert('手机号码不能为空！');
     form.mobile.focus();
     return false;
    }
    var a = /^((\(\d{3}\))|(\d{3}\-))?13\d{9}|15\d{9}$/;
    if( form.mobile.value.length!=11||!form.mobile.value.match(a) ){  
			alert("请输入正确的手机号码"); 
			return false; 
		}
}

function checkMail(form){
		if(form.email.value==''){
		     alert('邮箱地址不能为空！');
		     form.email.focus();
		     return false;
    }
    var reg = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
    var bool = reg.test(form.email.value);
    if (bool == false) {
         alert("邮箱格式错误，请重新输入！");
         form.email.focus();
         return false;
   }
}