crazy for study
3NyYJWWJ - AJAX  
Result
    <!DOCTYPE html> <html> <body> <h2>My AJAX Application with The XMLHttpRequest Object</h2> <p id="demo">Let AJAX change this text.</p> <button type="button" onclick="loadDoc()">Change Content</button> <script> function loadDoc() { var xhttp; if (window.XMLHttpRequest) { // code for modern browsers xhttp = new XMLHttpRequest(); } else { // code for IE6, IE5 xhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { document.getElementById("demo").innerHTML = this.responseText; } }; xhttp.open("GET", "ajaxdata.txt", true); xhttp.send(); } </script> </body> </html>