function is_all_ws(nod) {
	// Use ECMA-262 Edition 3 String and RegExp features
	return !(/[^\t\n\r ]/.test(nod.data));
}

function is_ignorable(nod) {
	return ( nod.nodeType == 8) || // A comment node
	( (nod.nodeType == 3) && is_all_ws(nod) ); // a text node, all ws
}

function node_after(sib){
  while ((sib = sib.nextSibling)) {
	if (!is_ignorable(sib)) return sib;
  }
  return false;
}


function node_before(sib){
  while ((sib = sib.previousSibling)) {
	if (!is_ignorable(sib)) return sib;
  }
  return false;
}

if(typeof $!='undefined') {
	$(document).ready(
		function () {
			$('span.newtablabel').bind('click', messageNoLogin);
			$('li.settings').bind('click', messageNoLogin);
			$('li.delete').bind('click', messageNoLogin);
			$('li.hide').bind('click', messageNoLogin);
			$('ul.tx-widgets-addtotab').bind('click', messageNoLogin);
			
		}
	);
	
	
	var messageNoLogin = function(e)
	{
		alert('Klik links in het menu op gratis lid worden om gebruik te maken van de interactieve functionaliteiten van deze website.');
		return false;
	};
}