<!-- meta http-equiv="cache-control" content="no-cache" -->
<!-- meta http-equiv="pragma" content="no-cache" / -->

function validate_letter()
{
	if(!isEmpty(document.forms['frmtck'].first_name))
		if(!isEmpty(document.forms['frmtck'].email))
			if(isEmailValid(document.forms['frmtck'].email))
					return true;
	return false;
}