退出提示

 <a href="logout.jsp" target="_self" class="topmenu" onclick="return exit()">系统退出</a>

 

<script language="JavaScript" type="text/JavaScript">
function exit()
{
  if(window.confirm("您确认要退出吗？"))
  {
    return true;
  }
  else
  {
    return false;
  }
</script>