adding better tooltips

src/gtkgui.glade

@@ -3735,7 +3735,7 @@
 				<widget class="GtkRadioButton" id="time_always_radiobutton">
 				  <property name="visible">True</property>
 				  <property name="can_focus">True</property>
-				  <property name="label" translatable="yes">On every _line</property>
+				  <property name="label" translatable="yes">On every _message</property>
 				  <property name="use_underline">True</property>
 				  <property name="relief">GTK_RELIEF_NORMAL</property>
 				  <property name="focus_on_click">True</property>
@@ -3754,6 +3754,7 @@
 			      <child>
 				<widget class="GtkRadioButton" id="time_sometimes_radiobutton">
 				  <property name="visible">True</property>
+				  <property name="tooltip" translatable="yes">Also known as iChat style</property>
 				  <property name="can_focus">True</property>
 				  <property name="label" translatable="yes">Every 5 _minutes</property>
 				  <property name="use_underline">True</property>
@@ -4445,18 +4446,27 @@
 			      </child>
 			      <child>
-				<widget class="GtkLabel" id="label233">
+				<widget class="GtkEventBox" id="eventbox1">
 				  <property name="visible">True</property>
-				  <property name="label" translatable="yes">When new chat message is received</property>
-				  <property name="use_underline">False</property>
-				  <property name="use_markup">False</property>
-				  <property name="justify">GTK_JUSTIFY_LEFT</property>
-				  <property name="wrap">False</property>
-				  <property name="selectable">False</property>
-				  <property name="xalign">0.5</property>
-				  <property name="yalign">0.5</property>
-				  <property name="xpad">0</property>
-				  <property name="ypad">0</property>
+				  <property name="tooltip" translatable="yes">When a new message is received which in not from a contact already in a chat window, the three following actions may happen</property>
+				  <property name="visible_window">True</property>
+				  <property name="above_child">False</property>
+
+				  <child>
+				    <widget class="GtkLabel" id="label233">
+				      <property name="visible">True</property>
+				      <property name="label" translatable="yes">When new message is received</property>
+				      <property name="use_underline">False</property>
+				      <property name="use_markup">False</property>
+				      <property name="justify">GTK_JUSTIFY_LEFT</property>
+				      <property name="wrap">False</property>
+				      <property name="selectable">False</property>
+				      <property name="xalign">0.5</property>
+				      <property name="yalign">0.5</property>
+				      <property name="xpad">0</property>
+				      <property name="ypad">0</property>
+				    </widget>
+				  </child>
 				</widget>
 				<packing>
 				  <property name="type">label_item</property>