var menuID = 'menubar';
/* --- gratitude to Matthew Carroll - http://carroll.org.uk/ - http://carroll.org.uk/sandbox/suckerfish/bones2.html
  based on http://www.htmldog.com/articles/suckerfish/dropdowns/ --- */
function accessible_menus_ie() {
  var sfEls = document.getElementById(menuID).getElementsByTagName('LI');
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onmouseover=function() {
      this.className+=(this.className.length>0? ' ': '') + 'sfhover';
      this.parentNode.className+=(this.parentNode.className.length>0? ' ': '') + 'sfhover';
      this.className=this.className.replace(new RegExp('( ?|^)sub_menu\\b'), 'sub_mnu_sfhvr');
    }
    sfEls[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp('( ?|^)sfhover\\b'), '');
      this.parentNode.className=this.parentNode.className.replace(new RegExp('( ?|^)sfhover\\b'), '');
      this.className=this.className.replace(new RegExp('( ?|^)sub_mnu_sfhvr\\b'), 'sub_menu');
    }
  }
}
function accessible_menus_non_ie() {
  var menubar = document.getElementById(menuID);
  menubar.className = menubar.className.replace(new RegExp('(^|\\s)'+'jsoff'+'(\\s|$)'), '');
  var mcEls = document.getElementById(menuID).getElementsByTagName('A');
  for (var i=0; i<mcEls.length; i++) {
    mcEls[i].onfocus=function() {
      this.className = this.className ? this.className + ' sffocus' : 'sffocus'; //a:focus
      this.parentNode.className = this.parentNode.className ? ' sffocusparent' : 'sffocusparent'; //li < a:focus
      this.parentNode.parentNode.className = this.parentNode.parentNode.className ? ' sffocusparent' : 'sffocusparent'; //ul < li < a:focus
      if(this.parentNode.parentNode.parentNode.nodeName == 'LI') { //li < ul < li < a:focus
        this.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.className ? ' sffocusparent' : 'sffocusparent'; //li < ul < li < a:focus
        this.parentNode.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.parentNode.className ? ' sffocusparent' : 'sffocusparent'; //ul < li < ul < li < a:focus
        if(this.parentNode.parentNode.parentNode.parentNode.parentNode.nodeName == 'LI') {  //li < ul < li < ul < li < a:focus
          this.parentNode.parentNode.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.parentNode.parentNode.className ? ' sffocusparent' : 'sffocusparent'; //li < ul < li < ul < li < a:focus
          this.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.className ? ' sffocusparent' : 'sffocusparent'; //ul < li < ul < li < ul < li < a:focus
        }
      }
    }
    mcEls[i].onblur = function() {
      this.className = this.className.replace(new RegExp('(^|\\s)'+'sffocus'+'(\\s|$)'), '');
      this.parentNode.className = this.parentNode.className.replace(new RegExp('(^|\\s)'+'sffocusparent'+'(\\s|$)'), '');
      this.parentNode.parentNode.className = this.parentNode.parentNode.className.replace(new RegExp('(^|\\s)'+'sffocusparent'+'(\\s|$)'), '');
      if(this.parentNode.parentNode.parentNode.nodeName == 'LI') {
        this.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.className.replace(new RegExp('(^|\\s)'+'sffocusparent'+'(\\s|$)'), '');
        this.parentNode.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.parentNode.className.replace(new RegExp('(^|\\s)'+'sffocusparent'+'(\\s|$)'), '');
        if(this.parentNode.parentNode.parentNode.parentNode.parentNode.nodeName == 'LI') {
          this.parentNode.parentNode.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.parentNode.parentNode.className.replace(new RegExp('(^|\\s)'+'sffocusparent'+'(\\s|$)'), '');
          this.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.className.replace(new RegExp('(^|\\s)'+'sffocusparent'+'(\\s|$)'), '');

        }
      }
    }
  }
}

// only ie needs the sfHover script. all need the accessibility script...

// thanks Brothercake - Generic onload - GO1.1 - http://www.brothercake.com/site/resources/scripts/onload/
if(typeof window.addEventListener != 'undefined') { //.. gecko, safari, konqueror and standard
	window.addEventListener('load', accessible_menus_non_ie, false);}
else if(typeof document.addEventListener != 'undefined') { //.. opera 7
	document.addEventListener('load', accessible_menus_non_ie, false);}
else if(typeof window.attachEvent != 'undefined') {	//.. win/ie
	window.attachEvent('onload', accessible_menus_ie);
	window.attachEvent('onload', accessible_menus_non_ie);}
//** remove this condition to degrade older browsers
else {	//.. mac/ie5 and anything else that gets this far
  if(typeof window.onload == 'function') { //if there's an existing onload function
    var existing = window.onload; //store it
    window.onload = function() { //add new onload handler
      existing(); //call existing onload function
      //call generic onload function
      accessible_menus_ie();
      accessible_menus_non_ie();
    };
  } else {
    window.onload = function() { //setup onload function
      accessible_menus_ie();
      accessible_menus_non_ie();
    };	
  }
}