弹出的下拉菜单怎么实现点击任何地方都缩回啊？现在只有点X才能关

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">

<HTML><HEAD><TITLE>百度一下，你就知道</TITLE>
<META http-equiv=Content-Type content=text/html;charset=gb2312>
</head><style type="text/css">
.m{
border:1px solid #CCFF33;
width:10px;
float: right;
}
.z{
border:1px dotted #00CCFF;
width:50px;
top: 12px;
right: -60px;
    position:absolute;}
ul{
padding:0;
margin:0;
list-style:none;
display:none;
float: right;
}
.kk{

border: thin solid #006699;
width: 250px;
height: 50px;
position: relative;
}
.body{
text-align: center;
}
</style><body><div class="kk">
<div class="m" onClick="show()">x</div>
    <ul class="z" id="sL">
        <li>yyyyyyy</li>
        <li>yyyyyyy</li>
        <li>yyyyyyy</li>
        <li>yyyyyyy</li>
        <li>yyyyyyy</li>
    </ul>
</div>
<div class="kk"></div>
</body>
<script>
    function show()
    {
        var tag = document.getElementById("sL")
        if (tag.style.display=="none")
        {
            tag.style.display = "block"
        }else{
            tag.style.display = "none"
        }
    }
</script>
</html>

解决方案 »

免费领取超大流量手机卡，每月29元包185G流量+100分钟通话, 中国电信官方发货

<body><div  id="divKK" style="background-color:green;">
<div  onClick="show()">x</div>
  <ul  id="sL" style="background-color:Blue;">
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  </ul>
</div></body>
<script>
  function show()
  {
  var tag = document.getElementById("sL")
  if (tag.style.display=="none")
  {
  tag.style.display = "block"
  }else{
  tag.style.display = "none"
  }
  }window.onload=function(){document.getElementById("divKK").onclick=function(e){
if(e && e.stopPropagation){
  //W3C取消冒泡事件
  e.stopPropagation();
  }else{
  //IE取消冒泡事件
  window.event.cancelBubble = true;
  }
};
document.body.onclick=function(){
document.getElementById("sL").style.display = "none";
};
};
</script>// 逻辑绝对是正确的！你自己设置一下你的样式
在IE里可以用onblur事件实现你要的效果，但在ff里行不通，你可以定义一个变量，当鼠标在x上设为0，不在x上时设为1，然后监听鼠标点击事件，如果为1则隐藏，我想的啊，不一定可行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">

<HTML><HEAD><TITLE>百度一下，你就知道</TITLE>
<META http-equiv=Content-Type content=text/html;charset=gb2312>
</head><style type="text/css">
.m{
border:1px solid #CCFF33;
width:10px;
float: right;
}
.z{
border:1px dotted #00CCFF;
width:50px;
top: 12px;
right: -60px;
  position:absolute;}
ul{
padding:0;
margin:0;
list-style:none;
display:none;
float: right;
}
.kk{

border: thin solid #006699;
width: 250px;
height: 50px;
position: relative;
}
.body{
text-align: center;
}
</style><body><div class="kk">
<div class="m" onClick="show()">x</div>
  <ul class="z" id="sL">
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  <li>yyyyyyy</li>
  </ul>
</div>
<div class="kk"></div>
</body>
<script>
  function show()
  {
  var tag = document.getElementById("sL")
  if (tag.style.display=="none")
  {
  tag.style.display = "block"
  }else{
  tag.style.display = "none"
  }
  } document.onclick = function(e){
var e = e||window.event,t = e.target||e.srcElement
if(t.innerHTML=='x') return
document.getElementById("sL").style.display = "none"
}
</script>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title></title>
    <style type ="text/css">
    html,body{width:100%;height:100%}
    ul{padding:0px;margin:0px;list-style:none;}
    li{cursor:pointer;padding:0px 5px; line-height:25px;height:25px;}
    </style>
</head>
<body>
<p>
    <input type='text' id='txtInput'  onkeyup='getSearchKeys()'/>
    <div id='divShow' style="position:absolute; z-index:9999; width:200px; height:auto; display:none;border:1px solid #ddd">
    <ul>
    <li>aaa</li>
    </ul>
    </div>
    </p>
</body>
<script type="text/javascript">
var keys=['ada','sdfsd','bbb','ada','dfhgfh','235s','dfew','ghjk','hjkghjk','fgjgfjf','fghjgfj','tyutyu','erterter','fghdfg','xvdfg','kjhu','qweasdas','xzce','werwre','zzczc','rtewtrew']; //  搜索值，可以用Ajax从数据库获取
var txtInput ;
var divShow ;
window.onload=function()
{
     txtInput =document.getElementById("txtInput");
     divShow = document.getElementById("divShow");
     var p =getAbsPoint(txtInput);
     divShow.style.left = p.x +'px';
     divShow.style.top = p.y + txtInput.offsetHeight + 'px';
   txtInput.onclick = divShow.onclick=function(e)
    {
         e = e||event;
         var t = e.target||e.srcElement        if(t.tagName.toLowerCase()=='li')
        {
          txtInput.value = t.innerHTML;
           divShow.style.display = "none";
           return;
        }
        if(e && e.stopPropagation){
          //W3C取消冒泡事件
          e.stopPropagation();
          }else{
          //IE取消冒泡事件
          window.event.cancelBubble = true;
          }
    };
    document.body.onclick=function(e)
    {
        divShow.style.display = "none";
    };
};
function getSearchKeys()
{
  var s= txtInput.value;
    if(s=='')
    {
        divShow.style.display = "none";
        return;
    }
      var arr=['<ul>'];
      for(var i=0;i<keys.length;i++)
      {
        if(keys[i].indexOf(s)>=0){
        arr.push('<li>'+keys[i]+'</li>');
        }
      }

      if(arr.length>1){
        arr.push('</ul>');
        divShow.innerHTML = arr.join('');
        divShow.style.display = "block";
      }else{
        divShow.style.display = "none";
      }
}function getAbsPoint(e)
{
    var x = e.offsetLeft;
    var y = e.offsetTop;
    while(e = e.offsetParent)
    {
        x += e.offsetLeft;
        y += e.offsetTop;
    }
    return {"x": x, "y": y};
}
</script>
</html>