var preLoadList = new Array(
	'gmenu01on.gif',
	'gmenu02on.gif',
	'gmenu03on.gif',
	'gmenu04on.gif',
	'gmenu05on.gif',
	'gmenu06on.gif'
);

preLoadList = preLoadList.concat(addPreLoadList);

onimages = new Array();
for (field in preLoadList) {
	onimages[field] = new Image();
	onimages[field].src = '../shared/images/' + preLoadList[field];
}

function changeImage(imageName, fileName) {
	document.images[imageName].src = '../shared/images/' + fileName;
}

function changeFormImage(formObj, fileName) {
	formObj.src = '../shared/images/' + fileName;
}