<!--
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) {
		niwa_over = newImage("images/niwa-over.gif");
		sekou_over = newImage("images/sekou-over.gif");
		genba_sekou_over = newImage("images/genba-sekou_over.gif");
		genba_over = newImage("images/genba-over.gif");
		company_genba_over = newImage("images/company-genba_over.gif");
		company_over = newImage("images/company-over.gif");
		hana_company_over = newImage("images/hana-company_over.gif");
		hana_over = newImage("images/hana-over.gif");
		staff_over = newImage("images/staff-over.gif");
		contact_over = newImage("images/contact-over.gif");
		link_over = newImage("images/link-over.gif");
		preloadFlag = true;
	}
}
// -->