var xml_http_building_link='正在建立连接...';var xml_http_sending='正在发送数据...';var xml_http_loading='正在接收数据...';var xml_http_load_failed='通信失败, 请刷新重新尝试.';function Ajax(statusId,recvType){var aj=new Object();if($("#statusmsg").length==0){var mDiv=$('<div id="statusmsg"></div>');$('body').append(mDiv);}else{var mDiv=$("#statusmsg");}
if(is_opera){clientHeight=document.body.clientHeight/2;clientWidth=document.body.clientWidth/2;scrollTop=document.body.scrollTop;scrollLeft=document.body.scrollLeft;}else{clientHeight=document.documentElement.clientHeight/2;clientWidth=document.documentElement.clientWidth/2;scrollTop=document.documentElement.scrollTop;scrollLeft=document.documentElement.scrollLeft;}
mDiv.addClass('ajaxmsg');var popupWidth=200;mDiv.css({"top":clientHeight+scrollTop,"left":clientWidth+scrollLeft-popupWidth/2});aj.targetUrl='';aj.sendString='';aj.recvType=recvType?recvType:'XML';aj.resultHandle=null;aj.createXMLHttpRequest=function(){var request=false;if(window.XMLHttpRequest){request=new XMLHttpRequest();if(request.overrideMimeType){request.overrideMimeType('text/xml');}}else if(window.ActiveXObject){var versions=['Microsoft.XMLHTTP','MSXML.XMLHTTP','Microsoft.XMLHTTP','Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0','Msxml2.XMLHTTP.5.0','Msxml2.XMLHTTP.4.0','MSXML2.XMLHTTP.3.0','MSXML2.XMLHTTP'];for(var i=0;i<versions.length;i++){try{request=new ActiveXObject(versions[i]);if(request){return request;}}catch(e){}}}
return request;}
aj.XMLHttpRequest=aj.createXMLHttpRequest();aj.processHandle=function(){mDiv.show();if(aj.XMLHttpRequest.readyState==1){mDiv.html(xml_http_building_link);}else if(aj.XMLHttpRequest.readyState==2){mDiv.html(xml_http_sending);}else if(aj.XMLHttpRequest.readyState==3){mDiv.html(xml_http_loading);}else if(aj.XMLHttpRequest.readyState==4){if(aj.XMLHttpRequest.status==200){mDiv.hide();if(aj.recvType=='HTML'){aj.resultHandle(aj.XMLHttpRequest.responseText);}else if(aj.recvType=='XML'){aj.resultHandle(aj.XMLHttpRequest.responseXML);}}else{mDiv.html(xml_http_load_failed);}}}
aj.get=function(targetUrl,resultHandle){aj.targetUrl=targetUrl;aj.XMLHttpRequest.onreadystatechange=aj.processHandle;aj.resultHandle=resultHandle;if(window.XMLHttpRequest){aj.XMLHttpRequest.open('GET',aj.targetUrl);aj.XMLHttpRequest.send(null);}else{aj.XMLHttpRequest.open('GET',targetUrl,true);aj.XMLHttpRequest.send();}}
aj.post=function(targetUrl,sendString,resultHandle){aj.targetUrl=targetUrl;aj.sendString=sendString;aj.XMLHttpRequest.onreadystatechange=aj.processHandle;aj.resultHandle=resultHandle;aj.XMLHttpRequest.open('POST',targetUrl);aj.XMLHttpRequest.setRequestHeader('Content-Type','application/x-www-form-urlencoded');aj.XMLHttpRequest.send(aj.sendString);}
return aj;}