function openImg(url,imgWidth,imgHeight) {
var MaxWidth = 1024;
var MaxHeight = 768;
var width = imgWidth+40; if (MaxWidth < imgWidth+40) width = MaxWidth;
var height = imgHeight+40; if (MaxHeight < imgHeight+40) height = MaxHeight;
var nWnd = window.open(url,"newWind","width="+width+",height="+height+",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,favorites=no,resizable=yes");
nWnd.document.open();
nWnd.document.write('拡大図
');
nWnd.document.close();
nWnd.focus();
}