modals are now blocking everything

javascript/src/Alert.js

@@ -228,8 +228,12 @@ var QfqNS = QfqNS || {};
         $alertContainer = this.makeAlertContainerSingleton();
         if (this.modal) {
             this.$modalDiv = $("<div>");
-            //this.$modalDiv.css('width', "100%");
-            //this.$modalDiv.css('height', Math.max(document.documentElement.clientHeight, window.innerHeight || 0));
+            $alertContainer.css('position', 'fixed');
+            $alertContainer.css('left', 0);
+            $alertContainer.css('top', 0);
+            $alertContainer.css('background', 'rgba(0,0,0,0.5)');
+            $alertContainer.css('width', "100%");
+            $alertContainer.css('height', Math.max($(document).height(), $(window).height()) + "px");
         }
 
         if (this.messageTitle) {