<div id="a"></div>
$(document).ready(function(){
alert("Hello");
$("#a").load("Menu.html");
});
StreamWriter sw = new StreamWriter(File.OpenWrite("C:\\Index.html"), Encoding.UTF8);
String s1 = File.ReadAllText("C:\\Start1.html");
String s2 = File.ReadAllText("C:\\Start2.html");
String s = null;
sw.Write(s1);
sw.Write(s2);
sw.Close();