function validate_mail_form(item)
{
	var $e_mail;
	var $name;
	var $telephone;
	var $response;
	var $errors;
	var $tm_error

	$e_mail=item.email_address.value;
	$name=item.name.value;
	$telephone=item.telephone_no.value;

	$response="Errors:- ";
	$errors=0;
	$mail_errors=0;
	$tele_errors=0;

	if (isEmpty($e_mail) )
	{
		$mail_errors+=1;
	}

	if (! isEmail($e_mail) )
	{
		$mail_errors+=1;
	}

	if (isEmpty($telephone) )
	{
		$tele_errors+=1;
	}
	
	if($mail_errors!=0 & $tele_errors!=0)
	{
		$response+="\nTelephone Number or Email address not entered";
		$errors+=1;
	}
	
	if (isEmpty($name) )
	{

		if ($errors!=0)
		{
			$response+=", ";
		}

		$response+="\nName not entered";
		$errors+=1;
	}

	if ($errors==0)
	{
//		alert ("OK");
		return true;
	}
	else
	{
		$response+="\n\n\nPlease correct and resubmit.";
		
		alert ($response);
		return false;
	}

}


function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}

function isEmail (s)
{   
   
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)

    var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;

    else 

return true;
}