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) {
		WestMidlands_01_shropshire_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-shropshire_.gif");
		WestMidlands_01_wales_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-wales_over.gif");
		WestMidlands_01_southeast_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-southeast_o.gif");
		WestMidlands_01_northwest_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-northwest_o.gif");
		WestMidlands_01_staffordshire_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-staffordshi.gif");
		WestMidlands_01_herefordshire_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-herefordshi.gif");
		WestMidlands_01_eastmidlands_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-eastmidland.gif");
		WestMidlands_01_southwest_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-southwest_o.gif");
		WestMidlands_01_worcestershire_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-worcestersh.gif");
		WestMidlands_01_westmidlands_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-westmidland.gif");
		WestMidlands_01_warwickshire_over = newImage("/images/maps/region/westmidlands/WestMidlands_01-warwickshir.gif");
		preloadFlag = true;
	}
}