Remove bunch of duplicated code.

mindplot/src/main/javascript/widget/lightbox.css

@@ -0,0 +1,49 @@
+#lightbox {
+    display: none;
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    z-index: 9999;
+    width: 300px;
+    height: 300px;
+    margin: -150px 0 0 -150px;
+}
+
+#lightbox[id] {
+    position: fixed;
+}
+
+#overlay-lightbox {
+    display: none;
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 3000px; /* IE hack */
+    height: 3000px; /* IE hack */
+    z-index: 5000;
+    /*background-color: snow;*/
+    background-color: #000;
+    -moz-opacity: 0.8;
+    opacity: .80;
+    filter: alpha(opacity = 80);
+}
+
+#overlay-lightbox[id] {
+    position: fixed;
+}
+
+#lightbox.done #lbLoadMessage {
+    display: none;
+}
+
+#lightbox.done #lbContent {
+    display: block;
+}
+
+#lightbox.loading #lbContent {
+    display: none;
+}
+
+#lightbox.loading #lbLoadMessage {
+    display: block;
+}