帮忙看google搜索框自动提示代码
http://blog.csdn.net/RunUpwind/archive/2007/05/24/1623859.aspx
------解决方案--------------------就是ajax啊。这样的方法网上成堆了。
------解决方案--------------------never-online: 
 http://www.never-online.net/code/neverModules/autocomplete/   
 JK: 
 http://jkisjk.spaces.live.com/blog/cns!758CACE25E89DD3B!365.entry   
 dh20156: 
 http://www.jxxg.com/dh20156/dhcombobox/dhcombobox.htm
------解决方案--------------------参考: 
  <body>  
    <div id= "divParent " style= "background-color: #ffff00; width: 200px; height: 200px; "> Parent! 
      <div id= "divChild " style= "background-color: #00ffff; width: 100px; height: 100px; ">  
         Child! 
      </div>  
    </div>  
  <script type= "text/javascript ">  
  <!-- 
 var oParent = document.getElementById( "divParent "); 
 var oChild = document.getElementById( "divChild "); 
 oParent.onclick = function(){ 
 	alert( "Parent "); 
 } 
 oChild.onclick = function(e) 
 { 
 	e = e||window.event; 
 	alert( "Child "); 
 	// 停止冒泡! 
 	// 注释看看效果有何不同! 
 	e.cancelBubble = true; 
 }; 
 //-->  
  </script>  
   </body>
------解决方案--------------------学习中。。。