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

function changeImages() {
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		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
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}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
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		homepage_01_north_over = newImage("/images/maps/homemap/homepage_01-north_over.gif");
		homepage_01_southeast_over = newImage("/images/maps/homemap/homepage_01-southeast_over.gif");
		homepage_01_northernireland_over = newImage("/images/maps/homemap/homepage_01-northernireland.gif");
		homepage_01_wales_over = newImage("/images/maps/homemap/homepage_01-wales_over.gif");
		homepage_01_northwest_over = newImage("/images/maps/homemap/homepage_01-northwest_over.gif");
		homepage_01_southwest_over = newImage("/images/maps/homemap/homepage_01-southwest_over.gif");
		homepage_01_isleofman_over = newImage("/images/maps/homemap/homepage_01-isleofman_over.gif");
		homepage_01_westmidlands_over = newImage("/images/maps/homemap/homepage_01-westmidlands_ov.gif");
		homepage_01_east_anglia_over = newImage("/images/maps/homemap/homepage_01-east-anglia_ove.gif");
		homepage_01_yorkshireandhumberside_over = newImage("/images/maps/homemap/homepage_01-yorkshireandhum.gif");
		homepage_01_scotland_over = newImage("/images/maps/homemap/homepage_01-scotland_over.gif");
		homepage_01_greaterlondon_over = newImage("/images/maps/homemap/homepage_01-greaterlondon_o.gif");
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}