nav_about_off = new Image()
		nav_about_off.src = "images/nav_about_off.gif"
		nav_about_on = new Image()
		nav_about_on.src = "images/nav_about_on.gif"
		
		nav_mission_off = new Image()
		nav_mission_off.src = "images/nav_mission_off.gif"
		nav_mission_on = new Image()
		nav_mission_on.src = "images/nav_mission_on.gif"
		
		nav_bio_off = new Image()
		nav_bio_off.src = "images/nav_bio_off.gif"
		nav_bio_on = new Image()
		nav_bio_on.src = "images/nav_bio_on.gif"
		
		nav_news_off = new Image()
		nav_news_off.src = "images/nav_news_off.gif"
		nav_news_on = new Image()
		nav_news_on.src = "images/nav_news_on.gif"
		
		nav_book_off = new Image()
		nav_book_off.src = "images/nav_book_off.gif"
		nav_book_on = new Image()
		nav_book_on.src = "images/nav_book_on.gif"
		
		nav_prods_services_off = new Image()
		nav_prods_services_off.src = "images/nav_prods_services_off.gif"
		nav_prods_services_on = new Image()
		nav_prods_services_on.src = "images/nav_prods_services_on.gif"
		
		nav_prods_off = new Image()
		nav_prods_off.src = "images/nav_prods_off.gif"
		nav_prods_on = new Image()
		nav_prods_on.src = "images/nav_prods_on.gif"
		
		nav_services_off = new Image()
		nav_services_off.src = "images/nav_services_off.gif"
		nav_services_on = new Image()
		nav_services_on.src = "images/nav_services_on.gif"
		
		nav_newsletter_off = new Image()
		nav_newsletter_off.src = "images/nav_newsletter_off.gif"
		nav_newsletter_on = new Image()
		nav_newsletter_on.src = "images/nav_newsletter_on.gif"
		
		nav_signup_off = new Image()
		nav_signup_off.src = "images/nav_signup_off.gif"
		nav_signup_on = new Image()
		nav_signup_on.src = "images/nav_signup_on.gif"
		
		nav_current_issue_off = new Image()
		nav_current_issue_off.src = "images/nav_current_issue_off.gif"
		nav_current_issue_on = new Image()
		nav_current_issue_on.src = "images/nav_current_issue_on.gif"
		
		nav_archives_off = new Image()
		nav_archives_off.src = "images/nav_archives_off.gif"
		nav_archives_on = new Image()
		nav_archives_on.src = "images/nav_archives_on.gif"
		
		nav_resources_off = new Image()
		nav_resources_off.src = "images/nav_resources_off.gif"
		nav_resources_on = new Image()
		nav_resources_on.src = "images/nav_resources_on.gif"
		
		nav_links_off = new Image()
		nav_links_off.src = "images/nav_links_off.gif"
		nav_links_on = new Image()
		nav_links_on.src = "images/nav_links_on.gif"
		
		nav_book2_off = new Image()
		nav_book2_off.src = "images/nav_book2_off.gif"
		nav_book2_on = new Image()
		nav_book2_on.src = "images/nav_book2_on.gif"
		
		nav_contact_off = new Image()
		nav_contact_off.src = "images/nav_contact_off.gif"
		nav_contact_on = new Image()
		nav_contact_on.src = "images/nav_contact_on.gif"

		function roll(img_name, img_src)
   		{
   			document[img_name].src = img_src.src;
   		}


startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
window.onload=startList;