Add some "title"s for image buttons.

share/http/dialogs/main

@@ -30,7 +30,7 @@ sout and playlist .
 <div id="main" class="dialog" >
   <div class="title">
     VLC media player
-    <button id="btn_toggle_text" onclick="toggle_btn_text();">
+    <button id="btn_toggle_text" onclick="toggle_btn_text();" title="Help" >
       <img src="images/help.png" alt="Help" />
       Help
     </button>

share/http/dialogs/playlist

@@ -34,25 +34,25 @@ This dialog needs the following dialogs to be fully functional: <none>
       <img src="images/delete.png" alt="Delete" />
       <span class="btn_text">Delete</span>
     </button>-->
-    <button id="btn_empty" onclick="pl_empty();" onmouseover="button_over(this);" onmouseout="button_out(this);">
+    <button id="btn_empty" onclick="pl_empty();" onmouseover="button_over(this);" onmouseout="button_out(this);" title="Empty" >
       <img src="images/empty.png" alt="Empty" />
       <span class="btn_text">Empty</span>
     </button>
     &nbsp;
-    <button id="btn_sort" onclick="pl_sort();" onmouseover="button_over(this);" onmouseout="button_out(this);">
+    <button id="btn_sort" onclick="pl_sort();" onmouseover="button_over(this);" onmouseout="button_out(this);" title="Sort" >
       <img src="images/sort.png" alt="Sort" />
       <span class="btn_text">Sort</span>
     </button>
     &nbsp;
-    <button id="btn_shuffle" onclick="pl_shuffle();" onmouseover="button_over(this);" onmouseout="button_out(this);">
+    <button id="btn_shuffle" onclick="pl_shuffle();" onmouseover="button_over(this);" onmouseout="button_out(this);" title="Shuffle" >
       <img src="images/shuffle.png" alt="Shuffle" />
       <span class="btn_text">Shuffle</span>
     </button>
-    <button id="btn_loop" onclick="pl_loop();" onmouseover="button_over(this);" onmouseout="button_out(this);">
+    <button id="btn_loop" onclick="pl_loop();" onmouseover="button_over(this);" onmouseout="button_out(this);" title="Loop" >
       <img src="images/loop.png" alt="Loop" />
       <span class="btn_text">Loop</span>
     </button>
-    <button id="btn_repeat" onclick="pl_repeat();" onmouseover="button_over(this);" onmouseout="button_out(this);">
+    <button id="btn_repeat" onclick="pl_repeat();" onmouseover="button_over(this);" onmouseout="button_out(this);" title="Repeat" >
       <img src="images/repeat.png" alt="Repeat" />
       <span class="btn_text">Repeat</span>
     </button>