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) {
		SouthWest_01_somerset_over = newImage("/images/maps/region/southwest/SouthWest_01-somerset_over.gif");
		SouthWest_01_dorset_over = newImage("/images/maps/region/southwest/SouthWest_01-dorset_over.gif");
		SouthWest_01_wiltshire_over = newImage("/images/maps/region/southwest/SouthWest_01-wiltshire_over.gif");
		SouthWest_01_gloucestershire_over = newImage("/images/maps/region/southwest/SouthWest_01-gloucestershir.gif");
		SouthWest_01_devon_over = newImage("/images/maps/region/southwest/SouthWest_01-devon_over.gif");
		SouthWest_01_cornwall_over = newImage("/images/maps/region/southwest/SouthWest_01-cornwall_over.gif");
		SouthWest_01_southeast_over = newImage("/images/maps/region/southwest/SouthWest_01-southeast_over.gif");
		SouthWest_01_westmidlands_over = newImage("/images/maps/region/southwest/SouthWest_01-westmidlands_o.gif");
		SouthWest_01_wales_over = newImage("/images/maps/region/southwest/SouthWest_01-wales_over.gif");
		SouthWest_01_bristol_over = newImage("/images/maps/region/southwest/SouthWest_01-bristol_over.gif");
		preloadFlag = true;
	}

}