function CheckForm(){
  if (document.msg.msg_name.value==""){
	alert("your name is required");
	document.msg.msg_name.focus();
	return false;
   }
   if (document.msg.msg_country.value==""){
	alert("your country is required");
	document.msg.msg_country.focus();
	return false;
   }
   if (document.msg.msg_phone.value==""){
	alert("your phone is required");
	document.msg.msg_phone.focus();
	return false;
   }
   if (document.msg.msg_email.value==""){
	alert("your email is required");
	document.msg.msg_email.focus();
	return false;
   }
   if (document.msg.msg_content.value==""){
	alert("your content is required");
	document.msg.msg_content.focus();
	return false;
   }
}