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

function changeImages(strName, strImagePath) {
	if (document.images && (preloadFlag == true)) {
		var images = document.getElementsByName(strName);
		if(images) {
			for(var i=0; i<images.length; i++) {
				images.item(i).src = strImagePath;
			}
		}
		
		var image = document.getElementById(strName);
		if(image) {
			image.src = strImagePath;
		}
	}
}

function changeImages_old() {
	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;
var preloadFlag = true;

function preloadImages() {
	if (document.images) {
		// logo_over = newImage("images/logo_dark.png");
		preloadFlag = true;
	}
}