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;
}