/**
* Plugin smarty type fonction
* Purpose: adds a favicon to the page (in the HTML Header)
*
* Input:    src = the image source
* Examples:
* {favicon src='./img/copix/favicon.ico' }
*/
function smarty_function_favicon($params, &$me)
{
    extract($params);
    //are there any values given ?
    if (empty($src)) {
        $me->_trigger_fatal_error("[plugin favicon] parameter 'src' cannot be empty");
        return;
    }
    CopixHTMLHeader::addFavIcon($src);
}