function encode_email($email='info@domain.com', $linkText='Contact Us', $attrs ='class="emailencoder"' )  
{  
    // remplazar aroba y puntos  
    $email = str_replace('@', '@', $email);  
    $email = str_replace('.', '.', $email);  
    $email = str_split($email, 5);  
  
    $linkText = str_replace('@', '@', $linkText);  
    $linkText = str_replace('.', '.', $linkText);  
    $linkText = str_split($linkText, 5);  
      
    $part1 = '<a href="ma';  
    $part2 = 'ilto:';  
    $part3 = '" '. $attrs .' >';  
    $part4 = '</a>';  
  
    $encoded = '<script type="text/javascript">';  
    $encoded .= "document.write('$part1');";  
    $encoded .= "document.write('$part2');";  
    foreach($email as $e)  
    {  
            $encoded .= "document.write('$e');";  
    }  
    $encoded .= "document.write('$part3');";  
    foreach($linkText as $l)  
    {  
            $encoded .= "document.write('$l');";  
    }  
    $encoded .= "document.write('$part4');";  
    $encoded .= '</script>';  
  
    return $encoded;  
}