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

function changeImages() {
	//alert("Arg 1:" + changeImages.arguments[0] + ", " + actNavi);
	if(changeImages.arguments[0] != actNavi) {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}
}

function setActivez(nname, filen) {
	// alert("New vars: " + nname + ", " + filen);
	if(actNavi != nname) {
		if(actNavi) {
			document[actNavi].src = actFile;
		}
		actNavi = nname;
		actFile = filen;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		navi01_over = newImage('images/navibox_on.gif');
		preloadFlag = true;
	}
}

actNavi = '';