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) {
		uutiset_over = newImage("../images/uutiset-over.gif");
		viihde_over = newImage("../images/viihde-over.gif");
		linkit_over = newImage("../images/linkit-over.gif");
		arkisto_over = newImage("../images/arkisto-over.gif");
		toimisto_over = newImage("../images/toimisto-over.gif");
		adv_over = newImage("../images/adv-over.gif");
		ke_over = newImage("../images/ke-over.gif");
		to_over = newImage("../images/to-over.gif");
		pe_over = newImage("../images/pe-over.gif");
		la_over = newImage("../images/la-over.gif");
		su_over = newImage("../images/su-over.gif");
		suomeksi_over = newImage("../images/suomeksi-over.gif");
		inenglish_over = newImage("../images/inenglish-over.gif");
		tff_over = newImage("../images/tff-over.gif");
		preloadFlag = true;
	}
}