<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_05o = newImage("../nav/nav_05o.gif");
		nav_09o = newImage("../nav/nav_09o.gif");
		nav_09o012 = newImage("../nav/nav_09o-12.gif");
		nav_13o = newImage("../nav/nav_13o.gif");
		nav_17o = newImage("../nav/nav_17o.gif");
		nav_21o = newImage("../nav/nav_21o.gif");
		preloadFlag = true;
	}
}

// -->