// JavaScript Document - common.js

function topNavHover(num) {
	var target = document.getElementById("headerLinks");	
	
	target.src = "images/header_right" + num + ".png";
	
	target.onmouseout = function() {
		target.src = "images/header_right.png";
	}
}

function mainNavHover(num) {
	var target = document.getElementById("mainNav" + num);	
	
	target.src = "images/menu" + num + "_over.gif";
	
	target.onmouseout = function() {
		target.src = "images/menu" + num + ".gif";
	}
}

function leftNavHover(num) {
	var banner = document.getElementById("banner");
	var target = document.getElementById("leftNav" + num);	
	var original = "images/banner.jpg";
	
	if (banner.getElementsByTagName("img").length > 0) {
		original = banner.getElementsByTagName("img")[0].src;
	}
	
	target.src = "images/left_nav" + num + "_over.png";
	banner.innerHTML = "<div id='newBanner' style='display: none;'><img src='images/banner" + num + ".jpg' alt='' /></div>";
	Effect.Appear("newBanner",{duration:.5});
	
	target.onmouseout = function() {
		target.src = "images/left_nav" + num + ".png";
		banner.innerHTML = "<div id='newBanner' style='display: none;'><img src='" + original + "' alt='' /></div>";
		Effect.Appear("newBanner",{duration:.5});
	}
}

function leftNavOver(num) {
	var banner = document.getElementById("banner");
	var target = document.getElementById("leftNav" + num);	
	var original = "images/banner.jpg";
	
	if (banner.getElementsByTagName("img").length > 0) {
		original = banner.getElementsByTagName("img")[0].src;
	}
	
	target.src = "images/left_nav" + num + "_over.png";

	
	target.onmouseout = function() {
		target.src = "images/left_nav" + num + ".png";

	}
}