// JavaScript Document

function checkdate()
{
if(message.Name.value=="" ) {
alert("\Please enter a name")
document.message.Name.focus();
return false;
}
if(message.Company.value=="" ) {
alert("\Please enter a company name")
document.message.Company.focus();
return false;
}
if (message.mail.value==""){
alert("Please enter the e-mail address")
document.message.mail.focus();
return (false);
}
return (true);
}
function checkemail()
{
 var temp = document.getElementById("mail");
 //对电子邮件的验证
 var myreg = /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/;
 if(temp.value!="")
 {
  if(!myreg.test(temp.value))
  {
alert("Please enter the correct e-mail address")
document.message.mail.focus();
return false;
  }
 }
}