function _comment($fk_object, $ref, $element, $comment)
{
    $PDOdb = new TPDOdb();
    $t = new TTwiiit();
    /*if($element == 'user' || $element =='company' || $element == 'contact') {
    		$element_tag = '@';
    	}
    	else {
    		$element_tag = '#';
    	}
    	
    	//$element_tag.=$element.':';
    	
    	$element_tag.=$ref;
    	*/
    $t->fk_object = $fk_object;
    $t->comment = $comment;
    $t->type_object = $element;
    $t->ref = $ref;
    $t->save($PDOdb);
}