function pre() {
img=document.formup.upfile.value;
img='
';
var win=window.open('','ImagePre','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,height=450,width=600');
win.document.write('');
win.document.write('');
win.document.write('');
win.document.write('画像はこの画像です
');
win.document.write(img);
win.document.write('');
win.document.write('');
win.document.close()
}