function do_verify(str,city,adminID,showInfo) {
	//获取表单对象和用户信息值
	var cityID   = (city == null || city == "") ? document.myformSchool.cityID.value : city;
    if(str == null){
		var keyword   = document.myformSchool.keyword.value;
		var likeType = 'myform';
    }else{
		var keyword = str;
		var likeType = '';
	}
	
if(cityID !=null && cityID !="")
{
	var gmarkers = eval("marker"+cityID);
    gmarkers.openInfoWindowHtml(htmls[cityID]); 
  if(showInfo != 'cityInfo')
  {
	var LonLat = [];
    LonLat[1] = new GLatLng(39.904701579764,116.408195793628);//Beijing
    LonLat[2] = new GLatLng(38.8739849199928,115.464624166488);//Baoding
    LonLat[5] = new GLatLng(39.9353934387457,119.600491225719);//Qinhuangdao
    LonLat[6] = new GLatLng(38.0423455961142,114.514859318733);//Shijiazhuang
    LonLat[7] = new GLatLng(39.6304900946154,118.18040639162);//Tangshan
	LonLat[15] = new GLatLng(36.0877642849251,111.518850624561);  // Linfen
	LonLat[16] = new GLatLng(37.8705786197376,112.550736665725);  // Taiyuan
	LonLat[17] = new GLatLng(39.1209007094511,117.215028405189);   // Tianjin
	LonLat[19] = new GLatLng(38.913803614912,121.614768505096);   // Dalian
	LonLat[22] = new GLatLng(42.02163749577,121.670325100421);   // Fuxin
	LonLat[26] = new GLatLng(41.8073410741393,123.430446982383);   // Shenyang
	LonLat[28] = new GLatLng(43.8868612389949,125.324496924877);   // Changchun
	LonLat[34] = new GLatLng(45.7570011560054,126.642459332942);   // Harbin
	LonLat[49] = new GLatLng(36.6653057612649,116.994915604591);  // Jinan 
	LonLat[57] = new GLatLng(37.5393178842317,121.391378045082);   // Yantai
	LonLat[59] = new GLatLng(36.8135172454908,118.054999709129);  // Zibo
	LonLat[60] = new GLatLng(31.2307407799924,121.472914516925);  // Shanghai
	LonLat[61] = new GLatLng(30.2735228058358,120.155247151851);  // Hangzhou
	LonLat[64] = new GLatLng(29.8683589525873,121.543987691402);  // Ningbo
	LonLat[65] = new GLatLng(27.994271150451,120.699352025985);  // Wenzhou 
	LonLat[69] = new GLatLng(32.0583932617552,118.796469569206);  // Nanjing
	LonLat[71] = new GLatLng(31.2978047058476,120.585586130619);  // Suzhou
	LonLat[72] = new GLatLng(31.5661679912506,120.303023457527);  // Wuxi
	LonLat[76] = new GLatLng(32.199803585964,119.456925988197);  // Zhenjiang
	LonLat[78] = new GLatLng(34.7977857057566,114.307763278484);  // Kaifeng
	LonLat[81] = new GLatLng(34.7473097783633,113.624859452247);  // Zhengzhou
	LonLat[87] = new GLatLng(30.5931121501431,114.305174946784);  // Wuhan
	LonLat[92] = new GLatLng(28.2285557633119,112.93882548809);  // Changsha
	LonLat[104] = new GLatLng(29.3071190507753,117.181567847728); // Jingdezhen
	LonLat[106] = new GLatLng(28.6765210678248,115.892154872417); // Nanchang
	LonLat[113] = new GLatLng(24.4796350770296,118.089388310909); // Xiamen
	LonLat[116] = new GLatLng(23.129102812719,113.264416158199); // Guangzhou
	LonLat[121] = new GLatLng(22.5434666913252,114.057818949222); // Shenzhen
	LonLat[126] = new GLatLng(25.2735842694672,110.290195047855); // Guilin
	LonLat[128] = new GLatLng(22.8180291767762,108.36554646492); // Nanning
	LonLat[141] = new GLatLng(30.6586383417384,104.064852297306); // Chengdu
	LonLat[143] = new GLatLng(29.5520888748085,103.765619695186); // Leshan
	LonLat[147] = new GLatLng(29.9805500901278,103.013294935226); // Ya'an
	LonLat[153] = new GLatLng(25.03731367659,102.722119688987); // Kunming
	LonLat[163] = new GLatLng(29.56271404673,106.551227867603); // Chongqing
	LonLat[170] = new GLatLng(38.4872115032209,106.230905055999); // Yinchuan
	LonLat[172] = new GLatLng(34.2649042884475,108.944262564182); // Xi'an
	LonLat[180] = new GLatLng(43.8256802543108,87.6172971725463);   // Wulumuqi
	LonLat[182] = new GLatLng(37.4664834840124,116.310909390449);  // Dezhou
	openSchool();
	
	map.setCenter(LonLat[cityID], 10);
	if(adminID !=null)
	{
		var GmarkersC = eval("Gmarker"+adminID);
		 GmarkersC.openInfoWindowHtml(Ghtmls[adminID]); 
	}
  }
}

    xmlHttp = createXMLHttpRequest();
	var url = "/chinaSchools.php?cityID="+cityID+"&keyword="+keyword+"&task=ajax&likeType="+likeType;

	xmlHttp.onreadystatechange = handleReadyStateChange;
    xmlHttp.open("GET", url, true);　//传递数据的方法同样有GET和POST两种,但是当方法为POST时下面的一句话就必须写
    xmlHttp.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
    xmlHttp.send(null);//null

}
function handleReadyStateChange() {
    if (xmlHttp.readyState == 4) {
        if (xmlHttp.status == 200) {
			if (xmlHttp.responseText) {
               // document.getElementById(xmlHttp.responseText).style.display = "block"
				document.getElementById('ListSchool').innerHTML = xmlHttp.responseText;
				
            }
        } else {
            alert(xmlHttp.status);
        }
    }
}