OnMouseOver 알람 효과

[스크립트]
<SCRIPT LANGUAGE="JavaScript">
   <!-- HIDE FROM OTHER BROWSER
      var time = null
      function Timer() {
         time = setTimeout("alert('뭘 그렇게 오래보세요?빨리 클릭 하시지!')", 2000)
      }
   // STOP HIDING -->
   </SCRIPT></HEAD>
<A href="js_1.htm" onmouseover="Timer( )" onmouseout="clearTimeout(time)">
<IMG src="1.gif" width="113" height="172" border="0"></A>