百度地图动态显示查询结构

<script type="text/javascript">// 百度地图API功能
    function G(id) {return document.getElementById(id);}var map = new BMap.Map("l-map");map.centerAndZoom("北京",12);                   // 初始化地图,设置城市和地图级别。var ac = new BMap.Autocomplete(    //建立一个自动完成的对象{"input" : "suggestId","location" : map});ac.addEventListener("onhighlight", function(e) {  //鼠标放在下拉列表上的事件var str = "";var _value = e.fromitem.value;var value = "";if (e.fromitem.index > -1) {value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;}    str = "FromItem<br />index = " + e.fromitem.index + "<br />value = " + value;value = "";if (e.toitem.index > -1) {_value = e.toitem.value;value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;}    str += "<br />ToItem<br />index = " + e.toitem.index + "<br />value = " + value;G("searchResultPanel").innerHTML = str;});var myValue;ac.addEventListener("onconfirm", function(e) {    //鼠标点击下拉列表后的事件var _value = e.item.value;myValue = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;G("searchResultPanel").innerHTML ="onconfirm<br />index = " + e.item.index + "<br />myValue = " + myValue;setPlace();});function setPlace(){map.clearOverlays();    //清除地图上所有覆盖物
        function myFun(){var pp = local.getResults().getPoi(0).point;    //获取第一个智能搜索的结果map.centerAndZoom(pp, 18);map.addOverlay(new BMap.Marker(pp));    //添加标注
        }var local = new BMap.LocalSearch(map, { //智能搜索
          onSearchComplete: myFun});local.search(myValue);}
</script>