// JavaScript Document

document.write("<script type=\"text/javascript\" src=\"/thickbox/jquery-1.1.3.1.pack.js\"></script>");
document.write("<script type=\"text/javascript\" src=\"/thickbox/thickbox-compressed.js\"></script>");
document.write("<script src=\"/SpryAssets/SpryMenuBar.js\" type=\"text/javascript\"></script>");



function mailform_check()

{
  if(document.mailform.sender_name.value=="")
   {
   alert("请输入您的姓名");
   document.mailform.sender_name.focus();   
   return false;
   }

if(document.mailform.sender_email.value=="")
   {
   alert("请输入您的电子邮件地址");
   document.mailform.sender_email.focus();   
   return false;
   }

if(document.mailform.subject.value=="")
   {
   alert("请输入主题");
   document.mailform.subject.focus();   
   return false;
   }

if(document.mailform.message.value=="")
   {
   alert("请输入信息内容");
   document.mailform.message.focus();   
   return false;
   }

if(document.mailform.captcha_code.value=="")
   {
   alert("请输入验证码");
   document.mailform.captcha_code.focus();   
   return false;
   }
   
}