new file mode 100644

@@ -0,0 +1,48 @@

+(function () {

+"use strict";

+

+function request(querytext, func, errorfunc) {

+        var req = new XMLHttpRequest();

+        req.onreadystatechange = function() {

+                if (req.readyState !== 4) {

+                        return;

+                }

+                if (req.status !== 200) {

+                        errorfunc();

+                        return;

+                }

+                func(req.responseText);

+        };

+        req.open("GET",querytext);

+        req.send();

+}

+

+function getvar(name) {

+        var re=new RegExp("[?&]"+name+"=\([^&]*\)");

+        var value=window.location.search.match(re);

+        if(value===null || value.length<2)

+                return(name+"=");

+        return(name+"="+value[1]);

+}

+

+save.onclick = function(e) {

+        var requri=[];

+        requri.push("/changeemail?");

+	requri.push(getvar("s"));

+	requri.push("&a=");

+        requri.push(encodeURIComponent(document.getElementById("email").value));

+        request(requri.join(""),function(r) {

+                window.location="/posts.html?"+getvar("s");},function() {});

+};

+

+function refreshemail() {

+        request("/getemail?"+getvar("s"), function(r1) {

+		document.getElementById("email").value=decodeURIComponent(r1);

+        },function() {

+		document.getElementById("email").value='';

+        });

+}

+

+refreshemail();

+

+}());