function show_option(that, w, h) {
var buf = '';
buf += ''+that.innerHTML+'';
buf += '';
buf += '
';
buf += '';
var win = window.open('blank.html', 'show_option', 'width='+w+',height='+h+',left=300,top=300');
var posX = (screen.availWidth - w)/2;
var posY = (screen.availHeight-h)/2;
win.moveTo(posX, posY);
win.document.open('text/html');
win.document.write(buf);
win.document.close();
}