// JavaScript Document
<!-- Hide from older browsers
    
    // TOP NAVIGATION
    var index_off = new Image();
	index_off.src = "images/nav/nav_about.jpg";
	var index_on = new Image();
	index_on.src = "images/nav/nav_about_over.jpg";
    
	var mnews_off = new Image();
	mnews_off.src = "images/nav/nav_news.jpg";
	var mnews_on = new Image();
	mnews_on.src = "images/nav/nav_news_over.jpg";
	
	var articles_off = new Image();
	articles_off.src = "images/nav/nav_articles.jpg";
	var articles_on = new Image();
	articles_on.src = "images/nav/nav_articles_over.jpg";
	
	var bookreviews_off = new Image();
	bookreviews_off.src = "images/nav/nav_book_reviews.gif";
	var bookreviews_on = new Image();
	bookreviews_on.src = "images/nav/nav_book_reviews_over.gif";
	
	var clients_off = new Image();
	clients_off.src = "images/nav/nav_clients.jpg";
	var clients_on = new Image();
	clients_on.src = "images/nav/nav_clients_over.jpg";
	
	var people_off = new Image();
	people_off.src = "images/nav/nav_ourpeople.jpg";
	var people_on = new Image();
	people_on.src = "images/nav/nav_ourpeople_over.jpg";
	
	var philosophy_off = new Image();
	philosophy_off.src = "images/nav/nav_philosophy.jpg";
	var philosophy_on = new Image();
	philosophy_on.src = "images/nav/nav_philosophy_over.jpg";
	
	var contract_off = new Image();
	contract_off.src = "images/nav/nav_contract.jpg";
	var contract_on = new Image();
	contract_on.src = "images/nav/nav_contract_over.jpg";
	
	var speakers_off = new Image();
	speakers_off.src = "images/nav/nav_speakers.jpg";
	var speakers_on = new Image();
	speakers_on.src = "images/nav/nav_speakers_over.jpg";
	
	var newsletter_off = new Image();
	newsletter_off.src = "images/nav/nav_newsletter.jpg";
	var newsletter_on = new Image();
	newsletter_on.src = "images/nav/nav_newsletter_over.jpg";
	
	var charity_off = new Image();
	charity_off.src = "images/nav/nav_charity.jpg";
	var charity_on = new Image();
	charity_on.src = "images/nav/nav_charity_over.jpg";
	
	var contact_off = new Image();
	contact_off.src = "images/nav/nav_contact.jpg";
	var contact_on = new Image();
	contact_on.src = "images/nav/nav_contact_over.jpg";
	
	//function
	function activate(imgName) {
	  if ( eval(imgName + "_on.complete") ) {
		document.images[imgName].src = eval(imgName + "_on.src");
	  }
	}
	
	function deactivate(imgName) {
	  if ( eval(imgName + "_off.complete") ) {
		document.images[imgName].src = eval(imgName + "_off.src");
	  }
	}
// End script hiding -->