function table() {
	var ret = "";
	ret += "<table id = \"urutan\" border = \"2\" width = \"75%\" >";
	ret += "<tr align = \"center\">";
	ret += "<td>";
	ret += "<input id = \"0\" type=\"radio\" name=\"sort\" onclick = 'sort(id)'/>";
	ret += "Name";
	ret += "<input id = \"1\" type=\"radio\" name=\"sort\" onclick = 'sort(id)'/>";
	ret += "</td>";
	ret += "<td>";
	ret += "<input id = \"2\" type=\"radio\" name=\"sort\" onclick = 'sort(id)'/>";
	ret += "NPM";
	ret += "<input id = \"3\" type=\"radio\" name=\"sort\" onclick = 'sort(id)'/>";
	ret += "</td>";
	ret += "<td>";
	ret += "<input id = \"4\" type=\"radio\" name=\"sort\" onclick = 'sort(id)'/>";
	ret += "Birthday";
	ret += "<input id = \"5\" type=\"radio\" name=\"sort\" onclick = 'sort(id)'/>";
	ret += "</td>";
	ret += "</tr>";
	for (i=0; i<List.length; i++) {
		ret+="<tr align = \"center\" >";
		ret+="<td>";
		ret+=List[i].name;
		ret+="</td>";
		ret+="<td>";
		ret+=List[i].npm;
		ret+="</td>";
		ret+="<td>";
		ret+=List[i].birthday;
		ret+="</td>";
		ret+="</tr>";
	}
	ret += "</table>";
	return ret;
}