// JavaScript Document
<!--
function Validator(theForm)
{

//Name 
	if (theForm.Name.value == "")
	{
		alert("Please enter your friend's name.");
		theForm.Name.focus();
		return (false);
	}
  
//Email 
	if (theForm.Email.value == "")
	{
		alert("Please enter your friend's email.");
		theForm.Email.focus();
		return (false);
	}
	else if ((theForm.Email.value.indexOf("@") >= 0) && (theForm.Email.value.indexOf(" ") < 0))
	{
		;
	}
	else
	{
		alert("Please enter a valid email address.");
		theForm.Email.focus();
		return (false);
	}	

//From_your_friend 
	if (theForm.From_your_friend.value == "")
	{
		alert("Please enter your name.");
		theForm.From_your_friend.focus();
		return (false);
	}
  
//Friend_email 
	if (theForm.Friend_email.value == "")
	{
		alert("Please enter your email.");
		theForm.Friend_email.focus();
		return (false);
	}
	else if ((theForm.Friend_email.value.indexOf("@") >= 0) && (theForm.Email.Friend_email.indexOf(" ") < 0))
	{
		;
	}
	else
	{
		alert("Please enter a valid email address.");
		theForm.Friend_email.focus();
		return (false);
	}	

return (true);
//return (false);
}

//-->