// JavaScript Document

if (document.images) {
image0a = new Image();
image0a.src = "images/nav/navigation_01.jpg";
image0b = new Image();
image0b.src = "images/nav/navigation_01.jpg";
image1a = new Image();
image1a.src = "images/nav/navigation_03.jpg";
image1b = new Image();
image1b.src = "images/nav/navigation_03.jpg";
image2a = new Image();
image2a.src = "images/nav/navigation_04.jpg";
image2b = new Image();
image2b.src = "images/nav/navigation_04.jpg";
image3a = new Image();
image3a.src = "images/nav/navigation_05.jpg";
image3b = new Image();
image3b.src = "images/nav/navigation_05.jpg";
image4a = new Image();
image4a.src = "images/nav/navigation_06.jpg";
image4b = new Image();
image4b.src = "images/nav/navigation_06.jpg";
image5a = new Image();
image5a.src = "images/nav/navigation_07.jpg";
image5b = new Image();
image5b.src = "images/nav/navigation_07.jpg";
image6a = new Image();
image6a.src = "images/nav/navigation_08.jpg";
image6b = new Image();
image6b.src = "images/nav/navigation_08.jpg";
} 

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
    if (document.images) {
        for (var i=0; i<changeImages.arguments.length; i+=2) {
            document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
        }
    }
} 

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		NAV_04 = newImage("images/nav/navigation_01.jpg");
		NAV_05 = newImage("images/nav/navigation_03.jpg");
		NAV_06 = newImage("images/nav/navigation_04.jpg");
		NAV_07 = newImage("images/nav/navigation_05.jpg");
		NAV_08 = newImage("images/nav/navigation_06.jpg");
		NAV_09 = newImage("images/nav/navigation_07.jpg");
		NAV_10 = newImage("images/nav/navigation_08.jpg");
		preloadFlag = true;
	}
}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);