Index: trunk/packages/invirt-web/code/templates/list.tmpl
===================================================================
--- trunk/packages/invirt-web/code/templates/list.tmpl	(revision 2234)
+++ trunk/packages/invirt-web/code/templates/list.tmpl	(revision 2238)
@@ -125,5 +125,9 @@
 " name="action" value="#slurp
 #if $machine.uptime then 'Power off' else 'Power on'
-"/>
+"#slurp
+#if $machine.uptime
+ onclick="return confirm('Are you sure you want to power off this VM?');"
+#end if
+/>
 	  </form>
 	</td>