diff --git a/openlp/core/ui/maindisplay.py b/openlp/core/ui/maindisplay.py
index 8c4ba2eba..5e9077e2f 100644
--- a/openlp/core/ui/maindisplay.py
+++ b/openlp/core/ui/maindisplay.py
@@ -132,7 +132,9 @@ class MainDisplay(QtGui.QGraphicsView):
             self.screen[u'size'].width(), self.screen[u'size'].height())
         self.page = self.webView.page()
         self.frame = self.page.mainFrame()
-        self.webView.settings().setAttribute(7, True)
+        if self.isLive and log.getEffectiveLevel() == logging.DEBUG:
+            self.webView.settings().setAttribute(
+                QtWebKit.QWebSettings.DeveloperExtrasEnabled, True)
         QtCore.QObject.connect(self.webView,
             QtCore.SIGNAL(u'loadFinished(bool)'), self.isWebLoaded)
         self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
diff --git a/openlp/plugins/alerts/alertsplugin.py b/openlp/plugins/alerts/alertsplugin.py
index 057c1075f..461525a70 100644
--- a/openlp/plugins/alerts/alertsplugin.py
+++ b/openlp/plugins/alerts/alertsplugin.py
@@ -71,10 +71,9 @@ JAVASCRIPT = """
 
     function update_css(align, font, size, color, bgcolor){
         var text = document.getElementById('alert');
-        alert("Hello");
-        document.getElementById('alert').style.verticalalign = align;
-        text.style.fontfamily = font;
-        text.style.size = size;
+        text.style.verticalAlign = align;
+        text.style.fontSize = size + "pt";
+        text.style.fontFamily = font;
         text.style.color = color;
         text.style.backgroundColor = bgcolor;
     }
@@ -194,6 +193,6 @@ class AlertsPlugin(Plugin):
 
     def refreshCss(self, frame):
         align = VerticalType.Names[self.settings_tab.location]
-        frame.evaluateJavaScript(u'update_css("%s,%s,%s,%s,%s")' % (align,
-            self.settings_tab.font_face, self.settings_tab.font_size,
+        frame.evaluateJavaScript(u'update_css("%s", "%s", "%s", "%s", "%s")' %
+            (align, self.settings_tab.font_face, self.settings_tab.font_size,
             self.settings_tab.font_color, self.settings_tab.bg_color))