function quote(user_id, member_name, comment_id,  text)
{
    if (text == '')
    {
        return;
    }
    
    document.getElementById('comment_form').comment.value += '[b]' + member_name + '[/b] сказал: [blockquote]' + text + '[/blockquote]';
}

function get_selection()
{
    if (document.getSelection)
    {
        selection = document.getSelection();
        selection = selection.replace(/\r/gi, '');
        while (selection.indexOf('  ') != -1)
        {
            selection = selection.replace(/  /gi, '');
        }
    }
    else
    {
        selection = document.selection.createRange().text;
    }
}