function popup(text, width) {
      p = '<table class="hint" border="0" cellspacing="0" cellpadding="0">'
      p+=     '<tr><th>' + text + '</th></tr>'
      p+=     '<tr><td><img height="10" align="top" src="/images/query_bg_bot3.gif"></td></tr>'
      p+= '</table>'
      return p;
}

function disable_button(el, disabled_action) {
    if (typeof(el) != 'undefined') {
        el.className = el.className + " button_disabled"
        el.disabled = true;
    }
}

function enable_button(el, enable_action, enable_href) {
    if (typeof(el) != 'undefined') {
        el.className = el.className.replace(/button_disabled/g, "");
        el.disabled = false;
    }
}

function bookmarksite() {
    var title=document.title, url=window.location.href;
    if (window.sidebar) // firefox
        window.sidebar.addPanel(title, url, "");
    else if(window.opera && window.print){ // opera
        var elem = document.createElement('a');
        elem.setAttribute('href',url);
        elem.setAttribute('title',title);
        elem.setAttribute('rel','sidebar');
        elem.click();
    }
    else if(document.all)// ie
        window.external.AddFavorite(url, title);
}