protected void Button1_Click(object sender, EventArgs e)
{
string toConvert = Server.HtmlEncode(txtInput.Text);
txtOutput.Text = recoder.ExpandTwoLetterWithSpaces(toConvert);
outputSection.Visible = true;
txtJapanese.Text = recoder.ExpandJapanese(toConvert);
txtChinese.Text = recoder.ExpandChinese(toConvert);
txtUnicode.Text = recoder.ExpandUnicode(toConvert);
outputSection.Visible = true;
}