var XmlHttp=null;function GetXmlHttpObj(){var XmlHttpObj=null;try{if(window.ActiveXObject){for(var i=5;i;i--){try{if(i==2){XmlHttpObj=new ActiveXObject("Microsoft.XMLHTTP")}else{XmlHttpObj=new ActiveXObject("Msxml2.XMLHTTP."+i+".0")}XmlHttpObj.setRequestHeader("Content-Type","text/xml");XmlHttpObj.setRequestHeader("Content-Type","utf-8");break}catch(e){}}}else{if(window.XMLHttpRequest){XmlHttpObj=new XMLHttpRequest();if(XmlHttpObj.overrideMimeType){XmlHttpObj.overrideMimeType("text/xml")}}}}catch(e){}return XmlHttpObj}function XmlHttpGetMethod(uri){XmlHttp=GetXmlHttpObj();if(XmlHttp==null){alert("错误，您的浏览器版本不支持该操作！");return}XmlHttp.open("GET",uri,false);XmlHttp.send()}function XmlHttpPostMethod(uri,parmsStr){XmlHttp=GetXmlHttpObj();if(XmlHttp==null){alert("错误，您的浏览器版本不支持该操作！");return}XmlHttp.open("POST",uri,false);XmlHttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");XmlHttp.send(parmsStr)}function XmlHttpGetMethodText(uri){XmlHttpGetMethod(uri);return XmlHttp.responseText}function XmlHttpPostMethodText(uri,parmsStr){XmlHttpPostMethod(uri,parmsStr);return XmlHttp.responseText}function XmlHttpGetMethodXml(uri){XmlHttpGetMethod(uri);return XmlHttp.responseXML}function XmlHttpPostMethodXml(uri,parmsStr){XmlHttpPostMethod(uri,parmsStr);return XmlHttp.responseXML};