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) {
		// IE6 bug fix
		try { document.execCommand("BackgroundImageCache",false,true); } catch(e) {}; 

		homepage09_over_fi = newImage("images/homepage09-over_fi.gif");
		homepage10_over_fi = newImage("images/homepage10-over_fi.gif");
		homepage11_over_fi = newImage("images/homepage11-over_fi.gif");
		homepage12_over_fi = newImage("images/homepage12-over_fi.gif");
		homepage13_over_fi = newImage("images/homepage13-over_fi.gif");
		homepage09_over_en = newImage("images/homepage09-over_en.gif");
		homepage10_over_en = newImage("images/homepage10-over_en.gif");
		homepage11_over_en = newImage("images/homepage11-over_en.gif");
		homepage12_over_en = newImage("images/homepage12-over_en.gif");
		homepage13_over_en = newImage("images/homepage13-over_en.gif");
		preloadFlag = true;
	}
}