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) {
		top_newe_03_over = newImage("images/TOP_TFL-ENG_05-sopra.gif");
		top_newe_13_over = newImage("images/TOP_TFL-ENG_13-sopra.gif");
		top_newe_15_over = newImage("images/TOP_TFL-ENG_15-sopra.gif");
		top_newe_17_over = newImage("images/TOP_TFL-ENG_17-sopra.gif");
		top_newe_19_over = newImage("images/TOP_TFL-ENG_19-sopra.gif");
		top_newe_21_over = newImage("images/TOP_TFL-ENG_21-sopra.gif");
		top_newe_23_over = newImage("images/TOP_TFL-ENG_23-sopra.gif");
                m1_over = newImage("images/arrow.gif");
		preloadFlag = true;
	}
}