//イメージの事前読み込み
if(navigator.appVersion.charAt(0)>=3) {
	retimg=new Array()
	retimg[1] = new Image();retimg[1].src='./image/menu_1.gif';
	retimg[2] = new Image();retimg[2].src='./image/menu_2.gif';
	retimg[3] = new Image();retimg[3].src='./image/menu_3.gif';
	retimg[4] = new Image();retimg[4].src='./image/menu_4.gif';
	retimg[5] = new Image();retimg[5].src='./image/menu_5.gif';
	retimg[6] = new Image();retimg[6].src='./image/menu_6.gif';
	retimg[7] = new Image();retimg[7].src='./image/menu_7.gif';
	retimg[8] = new Image();retimg[8].src='./image/menu_8.gif';
	movimg=new Array()
	movimg[1] = new Image();movimg[1].src='./image/menu_1b.gif';
	movimg[2] = new Image();movimg[2].src='./image/menu_2b.gif';
	movimg[3] = new Image();movimg[3].src='./image/menu_3b.gif';
	movimg[4] = new Image();movimg[4].src='./image/menu_4b.gif';
	movimg[5] = new Image();movimg[5].src='./image/menu_5b.gif';
	movimg[6] = new Image();movimg[6].src='./image/menu_6b.gif';
	movimg[7] = new Image();movimg[7].src='./image/menu_7b.gif';
	movimg[8] = new Image();movimg[8].src='./image/menu_8b.gif';
}
//画像書き換え
function changImg1(imgNoA,imgNoB) {
	if(navigator.appVersion.charAt(0)>=3) {
		document.images[imgNoA].src=movimg[imgNoB].src;
	}
}
//画像戻し
function retunImg1(imgNoA,imgNoB) {
	if(navigator.appVersion.charAt(0)>=3) {
		document.images[imgNoA].src=retimg[imgNoB].src;
	}
}
function popuptag(source,wsize,hsize)   {
	window.self.name="root";
	popwin=window.open("","Command","location=no,toolbar=no,width="+wsize+",height="+hsize+",directories=no,status=no,scrollbars=yes,resizable=yes,menubar=no");
	if ( navigator.appName == 'Netscape' && eval(navigator.appVersion.substring(0,3)) >= 3) {
	popwin.focus();
	}
}