// JavaScript Document
var nav_array = new Array("multimedia", "thebook", "qa", "events", "huffingtonpost", "buy");
	var images_over = new Array();
	var images_out = new Array();
	for (var x in nav_array) {
		images_over[nav_array[x]] = new Image();
		images_over[nav_array[x]].src = "images/nav_" + nav_array[x] + "_o.gif";
		images_out[nav_array[x]] = new Image();
		images_out[nav_array[x]].src = "images/nav_" + nav_array[x] + ".gif";
	}
	function img_over(x) {
		var r = document.getElementById("img_" + x);
		r.src = images_over[x].src;
	}
	function img_out(x) {
		var r = document.getElementById("img_" + x);
		r.src = images_out[x].src;
	
	}