fixing multiple problems (#8)

diff --git a/README.md b/README.md
index 357826f..6e12ccb 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # openwhisk-slackinvite
 Simple webpage for invitations for Apache OpenWhisk Slack Community
 
-Join our Slack https://csantanapr.github.io/openwhisk-slackinvite
+Join our Slack https://openwhisk.github.io/openwhisk-slackinvite
 
 Backend is implemented as a serverless action with api gateway route
 
@@ -12,7 +12,7 @@
 
 Create the action using `wsk` CLI and set default parameters
 ```
-wsk create slackinvite action.js -p org "myslackteam" -p slacktoken "xop-12345..."
+wsk action create slackinvite action.js -p org "myslackteam" -p slacktoken "xop-12345..."
 ```
 
 The org is the Slack team name, usually the hostname from your .slack.com.
diff --git a/action.js b/action.js
index 2561dd3..52289cd 100644
--- a/action.js
+++ b/action.js
@@ -1,19 +1,27 @@
 //jshint esversion:6
 var request = require("request");
-function main({email, org, slacktoken}) {
+function main({ email, org, slacktoken }) {
   return new Promise((resolve, reject) => {
     request.post({
       url: `https://${org}.slack.com/api/users.admin.invite`,
       form: {
-          email: email,
-          token: slacktoken,
-          set_active: true
+        email: email,
+        token: slacktoken,
+        set_active: true
+      }
+    }, (err, httpResponse, body) => {
+      if (err) {
+        reject({ message: "Error" + err });
+      } else {
+        body = JSON.parse(body);
+        if (body.ok) {
+          resolve({
+            message: `Success! Check ${email} for an invite from Slack.`
+          });
+        } else {
+          reject({ message: body.error });
         }
-    },(err, httpResponse, body)=>{
-      if(err) reject({Error:"Error"+err});
-      resolve({
-        message:`Success! Check ${email} for an invite from Slack.`
-      });
+      }
     });
   });
 }
diff --git a/index.html b/index.html
index d0b7b0a..687a6e3 100644
--- a/index.html
+++ b/index.html
@@ -85,13 +85,16 @@
               placeholder="jane.doe@example.com" required=""
               type="email"> </div>
           <button type="button" class="btn btn-primary" style="margin:
-            5px;">Send invitation</button> </form>
+            5px;">Send invitation</button> 
+        <div id="result">    
+        </form>
       </div>
       <div class="inner">
         <p>We are a friendly, respectful and inclusive community!</p>
       </div>
       <div class="footer"><a href="https://openwhisk-team.slack.com/"> </a>
         <p><i>Code for Slack invite (this page) is on github:</i><br>
+        
           <i> </i><i><a
               href="https://github.com/openwhisk/openwhisk-slackinvite"
               target="blank">https://github.com/openwhisk/openwhisk-slackinvite</a></i></p>
@@ -104,16 +107,23 @@
   var email = $('#inputEmail');
   var actionUrl = "https://545303d4-dd03-4cfc-a553-4253f7929dfd-gws.api-gw.mybluemix.net/openwhisk-team/slackinvite";
   function handler() {
-    var email = $("input")[0].value;
-    $.get(actionUrl, { email: email })
+    $.get(actionUrl, { email: email[0].value })
       .done(function (data) {
+        btn.removeClass("btn-danger");
         btn.addClass("btn-success");
         btn.html("WOOT. CHECK YOUR EMAIL!");
         res.html(data.message);
       })
       .fail(function (err) {
-        res.html(err.statusText + ":Your invitation didn't work :-( ");
-        btn.addClass("btn-error");
+        btn.addClass("btn-danger");
+        btn.html("Problem with invite");
+        if(err.responseJSON) console.log(err.responseJSON)
+        if(err.responseJSON && err.responseJSON.error && err.responseJSON.error.message){
+          res.html(err.responseJSON.error.message);
+        } else {
+          res.html(err.statusText + ":Your invitation didn't work :-( ");
+        }
+        
       });
   }
   btn.click(handler);
@@ -127,6 +137,7 @@
       btn.prop("disabled", false);
     }
   }
+  email.change(validate);
   email.keyup(validate);
 })
 </script>