function checkForm()
{
	var rtn = false;
	if ( document.form1.friend_email.value == "" )
	{
		alert("Please enter your friend's e-mail address.");
		document.form1.friend_email.focus();
	}
	else if ( (document.form1.friend_email.value+"").indexOf("@") == -1 || (document.form1.friend_email.value+"").length < 5 )
	{
		alert("Please enter a valid e-mail address.");
		document.form1.friend_email.focus();
	}
	else if ( document.form1.your_name.value == "" )
	{
		alert("Please enter your name.");
		document.form1.your_name.focus();
	}
	else if ( document.form1.your_email.value == "" )
	{
		alert("Please enter your e-mail address.");
		document.form1.your_email.focus();
	}
	else if ( (document.form1.your_email.value+"").indexOf("@") == -1 ||
			 (document.form1.your_email.value+"").length < 5 )
	{
		alert("Please enter a valid e-mail address.");
		document.form1.your_email.focus();
	}
	else if ( document.form1.message.value == "" )
	{
		alert("Please enter the message.");
		document.form1.message.focus();
	}
	else
	{
		rtn = true;
	}
	return rtn;
}