Added ajax support, and verified with an ajaxified Delete Source feature

webui/styles/normal.css

@@ -93,6 +93,55 @@ label {
     margin: 1em;
 }
 
+/* Centred dialog taken from http://stackoverflow.com/questions/1205457/how-to-design-a-css-for-a-centered-floating-confirm-dialog */
+#centrepoint {
+    top: 50%;
+    left: 50%;
+    position: absolute;
+}
+#dialog {
+    position: relative;
+    width: 600px;
+    margin-left: -300px;
+    /*height: 20em;*/
+    margin-top: -20em;
+    
+    display: none;
+    background: #eeeeee;
+    border: 2px solid #a7a09a;
+}
+#dialogheader {
+    height: 2em;
+    width: 100%; 
+    margin: 0.3em;
+}
+#dialogheadertitle {
+    color: black;
+    font-weight: bold;
+    float: left;
+}
+#dialogheaderclose {
+    width: 1.2em;
+    height: 1.2em;
+    background-color: crimson;
+    color: white;
+    border: 1px solid fireBrick;
+    float: right;
+    margin-right: 1em;
+    text-align: center;
+    vertical-align: middle;
+    display: table-cell;
+    font-weight: bold;
+    cursor: pointer;
+}
+#dialogcontent {
+    padding: 0.5em;
+}
+.dialogfooterbuttonset {
+    display: none;
+    text-align: right;
+}
+
 .default {
     background: beige;
     color: darkgray;