// funktioner för att hantera maouse over funktioner till Länkknapparna.
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) {
		Logga_over = newImage("images/Logga-over.gif");
		information_over = newImage("images/information-over.gif");
		information_down = newImage("images/information-down.gif");
		aktuellt_over = newImage("images/aktuellt-over.gif");
		aktuellt_down = newImage("images/aktuellt-down.gif");
		utstallningar_over = newImage("images/utstallningar-over.gif");
		utstallningar_down = newImage("images/utstallningar-down.gif");
		bli_medlem_over = newImage("images/bli_medlem-over.gif");
		bli_medlem_down = newImage("images/bli_medlem-down.gif");
		kontakt_over = newImage("images/kontakt-over.gif");
		kontakt_down = newImage("images/kontakt-down.gif");
		press_html_over = newImage("images/press.html-over.gif");
		press_html_down = newImage("images/press.html-down.gif");
		sponsorer_over = newImage("images/sponsorer-over.gif");
		sponsorer_down = newImage("images/sponsorer-down.gif");
		gallerivard_over = newImage("images/gallerivard-over.gif");
		gallerivard_down = newImage("images/gallerivard-down.gif");
		stipendium_over = newImage("images/stipendium-over.gif");
		stipendium_down = newImage("images/stipendium-down.gif");
		preloadFlag = true;
	}
}