added toolips to 'Copies to' and 'Dependencies' links, explaining what these links are for.

added a.tooltip class to css file.

helpdesk/static/helpdesk/helpdesk.css

@@ -280,3 +280,34 @@ span.priority5 {
 a.followup-edit {
     float:right;
 }
+
+/* tooltips for link hover */
+a.tooltip, a.tooltip:link, a.tooltip:visited, a.tooltip:active  {
+  position: relative;
+  text-decoration: none;
+  font-style: italic;
+}
+
+a.tooltip:hover {
+  background: transparent;
+}
+
+a.tooltip span {
+  display: none;
+  text-decoration: none;
+}
+
+a.tooltip:hover span {
+  display: block;
+  position: absolute;
+  top: 25px;
+  left: 0;
+  width: 250px;
+  z-index: 10;
+  color: #000000;
+  border:1px solid #000000;
+  background: #FFFFCC;
+  font: 12px Verdana, sans-serif;
+  text-align: left;
+}
+

helpdesk/templates/helpdesk/ticket_desc_table.html

@@ -34,7 +34,7 @@
 
 <tr class='{% cycle rowcolors %}'>
     <th>{% trans "Copies To" %}</th>
-    <td>{% for ticketcc in ticket.ticketcc_set.all %}{{ ticketcc.display }}{% if not forloop.last %}, {% endif %}{% endfor %} <strong><a href='{% url helpdesk_ticket_cc ticket.id %}'>{% trans "Manage" %}</a></strong></td>
+    <td>{% for ticketcc in ticket.ticketcc_set.all %}{{ ticketcc.display }}{% if not forloop.last %}, {% endif %}{% endfor %} <strong><a class='tooltip' href='{% url helpdesk_ticket_cc ticket.id %}'>{% trans "Manage" %}<span>{% trans "Click here to add / remove people who should receive an e-mail whenever this ticket is updated." %}</span></a></strong></td>
 </tr>
 
 {% if tags_enabled %}
@@ -53,7 +53,7 @@
         {% empty %}
         <p>{% trans "This ticket has no dependencies." %}</p>
         {% endfor %}
-        <p><a href='{% url helpdesk_ticket_dependency_add ticket.id %}'>{% trans "Add Dependency" %}</a></p>
+        <p><a class='tooltip' href='{% url helpdesk_ticket_dependency_add ticket.id %}'>{% trans "Add Dependency" %}<span>{% trans "Click on 'Add Dependency', if you want to make this ticket dependent on another ticket. A ticket may not be closed until all tickets it depends on are closed." %}</span></a></p>
     </td>
 </tr>