function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
mustInitImg = true;
function initImgID() {
	di = document.images;
	if (mustInitImg && di) {
		for (var i=0; i<di.length; i++) {
			if (!di[i].id) di[i].id=di[i].name;
		}
		mustInitImg = false;
	}
}
function findElement(n,ly) {
	d = document;
	if (browserVers < 4)		return d[n];
	if ((browserVers >= 6) && (d.getElementById)) {
		initImgID; return(d.getElementById(n))
	};
	var cd = ly ? ly.document : d;
	var elem = cd[n];
	if (!elem) {
		for (var i=0;i<cd.layers.length;i++) {
			elem = findElement(n,cd.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}
function changeImages() {
	d = document;
	if (d.images) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (d.layers) {img = findElement(changeImages.arguments[i],0);}
			else {img = d.images[changeImages.arguments[i]];}
			if (img) {img.src = changeImages.arguments[i+1];}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		over_in_about_01 = newImage(/*URL*/'../hanrei_img/in_about_02.gif');
		over_in_hoshin_01 = newImage(/*URL*/'../hanrei_img/in_hoshin_02.gif');
		over_in_katsudo_01 = newImage(/*URL*/'../hanrei_img/in_katsudo_02.gif');
		over_in_kaiin_01 = newImage(/*URL*/'../hanrei_img/in_kaiin_02.gif');
		over_in_joho_01 = newImage(/*URL*/'../hanrei_img/in_joho_02.gif');
		over_in_teigen_01 = newImage(/*URL*/'../hanrei_img/in_teigen2_02.gif');
		over_in_kaigishitsu_01 = newImage(/*URL*/'../hanrei_img/in_kaigishitsu_02.gif');
		over_in_nyukai_01 = newImage(/*URL*/'../hanrei_img/in_nyukai_02.gif');
		over_in_q_a_01 = newImage(/*URL*/'../hanrei_img/in_q&a_02.gif');
		over_in_review_2 = newImage(/*URL*/'../hanrei_img/in_review_02.gif');
		over_ka_senyo_02 = newImage(/*URL*/'ka_senyo1_img/ka_senyo_03.gif');
		preloadFlag = true;
	}
}