new file mode 100644
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+++ b/library/smarty/libs/plugins/function.mailto.php
@@ -0,0 +1,154 @@
+<?php
+/**
+ * Smarty plugin
+ *
+ * @package    Smarty
+ * @subpackage PluginsFunction
+ */
+
+/**
+ * Smarty {mailto} function plugin
+ * Type:     function<br>
+ * Name:     mailto<br>
+ * Date:     May 21, 2002
+ * Purpose:  automate mailto address link creation, and optionally encode them.<br>
+ * Params:
+ * <pre>
+ * - address    - (required) - e-mail address
+ * - text       - (optional) - text to display, default is address
+ * - encode     - (optional) - can be one of:
+ *                             * none : no encoding (default)
+ *                             * javascript : encode with javascript
+ *                             * javascript_charcode : encode with javascript charcode
+ *                             * hex : encode with hexidecimal (no javascript)
+ * - cc         - (optional) - address(es) to carbon copy
+ * - bcc        - (optional) - address(es) to blind carbon copy
+ * - subject    - (optional) - e-mail subject
+ * - newsgroups - (optional) - newsgroup(s) to post to
+ * - followupto - (optional) - address(es) to follow up to
+ * - extra      - (optional) - extra tags for the href link
+ * </pre>
+ * Examples:
+ * <pre>
+ * {mailto address="me@domain.com"}
+ * {mailto address="me@domain.com" encode="javascript"}
+ * {mailto address="me@domain.com" encode="hex"}
+ * {mailto address="me@domain.com" subject="Hello to you!"}
+ * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"}
+ * {mailto address="me@domain.com" extra='class="mailto"'}
+ * </pre>
+ *
+ * @link     http://www.smarty.net/manual/en/language.function.mailto.php {mailto}
+ *           (Smarty online manual)
+ * @version  1.2
+ * @author   Monte Ohrt <monte at ohrt dot com>
+ * @author   credits to Jason Sweat (added cc, bcc and subject functionality)
+ *
+ * @param array $params parameters
+ *
+ * @return string
+ */
+function smarty_function_mailto($params) {
+    static $_allowed_encoding = array('javascript' => true, 'javascript_charcode' => true, 'hex' => true, 'none' => true);
+    $extra = '';
+
+    if (empty($params['address'])) {
+        trigger_error("mailto: missing 'address' parameter", E_USER_WARNING);
+
+        return;
+    } else {
+        $address = $params['address'];
+    }
+
+    $text = $address;
+    // netscape and mozilla do not decode %40 (@) in BCC field (bug?)
+    // so, don't encode it.
+    $search = array('%40', '%2C');
+    $replace = array('@', ',');
+    $mail_parms = array();
+    foreach ($params as $var => $value) {
+        switch ($var) {
+            case 'cc':
+            case 'bcc':
+            case 'followupto':
+                if (!empty($value)) {
+                    $mail_parms[] = $var . '=' . str_replace($search, $replace, rawurlencode($value));
+                }
+                break;
+
+            case 'subject':
+            case 'newsgroups':
+                $mail_parms[] = $var . '=' . rawurlencode($value);
+                break;
+
+            case 'extra':
+            case 'text':
+                $$var = $value;
+
+            default:
+        }
+    }
+
+    if ($mail_parms) {
+        $address .= '?' . join('&', $mail_parms);
+    }
+
+    $encode = (empty($params['encode'])) ? 'none' : $params['encode'];
+    if (!isset($_allowed_encoding[$encode])) {
+        trigger_error("mailto: 'encode' parameter must be none, javascript, javascript_charcode or hex", E_USER_WARNING);
+
+        return;
+    }
+    // FIXME: (rodneyrehm) document.write() excues me what? 1998 has passed!
+    if ($encode == 'javascript') {
+        $string = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
+
+        $js_encode = '';
+        for ($x = 0, $_length = strlen($string); $x < $_length; $x++) {
+            $js_encode .= '%' . bin2hex($string[$x]);
+        }
+
+        return '<script type="text/javascript">eval(unescape(\'' . $js_encode . '\'))</script>';
+    } elseif ($encode == 'javascript_charcode') {
+        $string = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+
+        for ($x = 0, $y = strlen($string); $x < $y; $x++) {
+            $ord[] = ord($string[$x]);
+        }
+
+        $_ret = "<script type=\"text/javascript\" language=\"javascript\">\n"
+            . "{document.write(String.fromCharCode("
+            . implode(',', $ord)
+            . "))"
+            . "}\n"
+            . "</script>\n";
+
+        return $_ret;
+    } elseif ($encode == 'hex') {
+        preg_match('!^(.*)(\?.*)$!', $address, $match);
+        if (!empty($match[2])) {
+            trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.", E_USER_WARNING);
+
+            return;
+        }
+        $address_encode = '';
+        for ($x = 0, $_length = strlen($address); $x < $_length; $x++) {
+            if (preg_match('!\w!' . Smarty::$_UTF8_MODIFIER, $address[$x])) {
+                $address_encode .= '%' . bin2hex($address[$x]);
+            } else {
+                $address_encode .= $address[$x];
+            }
+        }
+        $text_encode = '';
+        for ($x = 0, $_length = strlen($text); $x < $_length; $x++) {
+            $text_encode .= '&#x' . bin2hex($text[$x]) . ';';
+        }
+
+        $mailto = "&#109;&#97;&#105;&#108;&#116;&#111;&#58;";
+
+        return '<a href="' . $mailto . $address_encode . '" ' . $extra . '>' . $text_encode . '</a>';
+    } else {
+        // no encoding
+        return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+    }
+}