* add icons for show projects and hide projects.

module/project/css/task.css

@@ -1,4 +1,7 @@
 .bug, .task {color:gray; font-size:9px}
 .cont-lt1 .side{width:220px}
 #sidebar{width:20px;cursor:pointer;}
+#sidebar span{padding:2px 10px; background:url(theme/default/images/main/zt-icons.png) -80px  -161px;}
+
 #hideButton{cursor:pointer;}
+#hideButton span{padding:2px 10px; background:url(theme/default/images/main/zt-icons.png) -100px  -161px;}

module/project/view/task.html.php

@@ -21,11 +21,11 @@ var browseType  = '<?php echo $browseType;?>';
 <div id='querybox' class='<?php if($browseType != 'bysearch') echo 'hidden';?>'></div>
 <table class='cont-lt1'>
   <tr valign='top'>
-    <td id="sidebar" onclick="showProject()">>></td>
+    <td id="sidebar" onclick="showProject()"><span></span></td>
     <td class='side' id='project'>
       <div class='box-title'>
         <?php echo $lang->project->projectTasks;?>
-        <div class="f-right" id='hideButton' onclick="hideProject()"><<</div>
+        <div class="f-right" id='hideButton' onclick="hideProject()"><span></span></div>
       </div>
       <div class='box-content'><?php echo $projectTree;?></div>
     </td>