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) {
		UK_Regional_Map_01_ImageMap_nw_over = newImage("images/UK-Regional-Map_01-ImageMap.gif");
		UK_Regional_Map_01_ImageMap_ne_over = newImage("images/UK-Regional-Map_01-Image-03.gif");
		UK_Regional_Map_01_ImageMap_wales_over = newImage("images/UK-Regional-Map_01-Image-04.gif");
		UK_Regional_Map_01_ImageMap_wm_over = newImage("images/UK-Regional-Map_01-Image-05.gif");
		UK_Regional_Map_01_ImageMap_em_over = newImage("images/UK-Regional-Map_01-Image-06.gif");
		UK_Regional_Map_01_ImageMap_sw_over = newImage("images/UK-Regional-Map_01-Image-07.gif");
		UK_Regional_Map_01_ImageMap_se_over = newImage("images/UK-Regional-Map_01-Image-08.gif");
		UK_Regional_Map_01_ImageMap_ea_over = newImage("images/UK-Regional-Map_01-Image-09.gif");
		UK_Regional_Map_01_ImageMap_09_scotland_over = newImage("images/UK-Regional-Map_01-Image-10.gif");
		preloadFlag = true;
	}
}