function AJAXRequest(){var xmlPool=[],AJAX=this,ac=arguments.length,av=arguments;var xmlVersion=["MSXML2.XMLHTTP","Microsoft.XMLHTTP"];var emptyFun=function(){};var av=ac>0?typeof(av[0])=="object"?av[0]:{}:{};var encode=av.charset?av.charset.toUpperCase()=="UTF-8"?encodeURIComponent:escape:encodeURIComponent;this.url=getp(av.url,"");this.oncomplete=getp(av.oncomplete,emptyFun);this.content=getp(av.content,"");this.method=getp(av.method,"POST");this.async=getp(av.async,true);this.onexception=getp(av.onexception,emptyFun);this.ontimeout=getp(av.ontimeout,emptyFun);this.timeout=getp(av.timeout,3600000);this.onrequeststart=getp(av.onstartrequest,emptyFun);this.onrequestend=getp(av.onendrequest,emptyFun);if(!getObj())return false;function getp(p,d){return p?p:d;}
function getObj(){var i,j,tmpObj;for(i=0,j=xmlPool.length;i<j;i++)if(xmlPool[i].readyState==0||xmlPool[i].readyState==4)return xmlPool[i];try{tmpObj=new XMLHttpRequest;}
catch(e){for(i=0,j=xmlVersion.length;i<j;i++){try{tmpObj=new ActiveXObject(xmlVersion[i]);}catch(e2){continue;}
break;}}
if(!tmpObj)return false;else{xmlPool[xmlPool.length]=tmpObj;return xmlPool[xmlPool.length-1];}}
function $(id){return document.getElementById(id);}
function $N(n,d){n=parseInt(n);return(isNaN(n)?d:n);}
function $VO(v){if(typeof(v)=="string"){if(v=$(v))return v;else return false;}
else return v;}
function $ST(obj,text){var nn=obj.nodeName.toUpperCase();if("INPUT|TEXTAREA".indexOf(nn)>-1)obj.value=text;else try{obj.innerHTML=text;}catch(e){};}
function $CB(cb){if(typeof(cb)=="function")return cb;else{cb=$VO(cb);if(cb)return(function(obj){$ST(cb,obj.responseText);});else return emptyFun;}}
function send(purl,pc,pcbf,pm,pa){var purl,pc,pcbf,pm,pa,ct,ctf=false,xmlObj=getObj(),ac=arguments.length,av=arguments;if(!xmlObj)return false;if(!pm||!purl||!pa)return false;var ev={url:purl,content:pc,method:pm};purl+=(purl.indexOf("?")>-1?"&":"?")+Math.random();xmlObj.open(pm,purl,pa);AJAX.onrequeststart(ev);if(pm=="POST")xmlObj.setRequestHeader("Content-Type","application/x-www-form-urlencoded");ct=setTimeout(function(){ctf=true;xmlObj.abort();},AJAX.timeout);xmlObj.onreadystatechange=function(){if(ctf){AJAX.ontimeout(ev);AJAX.onrequestend(ev);}
else if(xmlObj.readyState==4){ev.status=xmlObj.status;try{clearTimeout(ct);}catch(e){};try{if(xmlObj.status==200)pcbf(xmlObj);else AJAX.onexception(ev);}
catch(e){AJAX.onexception(ev);}
AJAX.onrequestend(ev);}}
if(pm=="POST")xmlObj.send(pc);else xmlObj.send("");}
this.setcharset=function(cs){if(cs.toUpperCase()=="UTF-8")encode=encodeURIComponent;else encode=escape;}
this.get=function(){var purl,pcbf,ac=arguments.length,av=arguments;purl=ac>0?av[0]:this.url;pcbf=ac>1?$CB(av[1]):this.oncomplete;if(!purl&&!pcbf)return false;send(purl,"",pcbf,"GET",true);}
this.update=function(){var purl,puo,pinv,pcnt,ac=arguments.length,av=arguments;puo=ac>0?$CB(av[0]):emptyFun;purl=ac>1?av[1]:this.url;pinv=ac>2?$N(av[2],1000):null;pcnt=ac>3?$N(av[3],0):null;if(pinv){send(purl,"",puo,"GET",true);if(pcnt&&--pcnt){var cf=function(cc){send(purl,"",puo,"GET",true);if(cc<1)return;else cc--;setTimeout(function(){cf(cc);},pinv);}
setTimeout(function(){cf(--pcnt);},pinv);}
else return(setInterval(function(){send(purl,"",puo,"GET",true);},pinv));}
else send(purl,"",puo,"GET",true);}
this.post=function(){var purl,pcbf,pc,ac=arguments.length,av=arguments;purl=ac>0?av[0]:this.url;pc=ac>1?av[1]:"";pcbf=ac>2?$CB(av[2]):this.oncomplete;if(!purl&&!pcbf)return false;send(purl,pc,pcbf,"POST",true);}
this.postf=function(){var fo,vaf,pcbf,purl,pc,pm,ac=arguments.length,av=arguments;fo=ac>0?$VO(av[0]):false;if(!fo||(fo&&fo.nodeName!="FORM"))return false;vaf=fo.getAttribute("onsubmit");vaf=vaf?(typeof(vaf)=="string"?new Function(vaf):vaf):null;if(vaf&&!vaf())return false;pcbf=ac>1?$CB(av[1]):this.oncomplete;purl=ac>2?av[2]:(fo.action?fo.action:this.url);pm=ac>3?av[3]:(fo.method?fo.method.toUpperCase():"POST");if(!pcbf&&!purl)return false;pc=this.formToStr(fo);if(!pc)return false;if(pm){if(pm=="POST")send(purl,pc,pcbf,"POST",true);else if(purl.indexOf("?")>0)send(purl+"&"+pc,"",pcbf,"GET",true);else send(purl+"?"+pc,"",pcbf,"GET",true);}
else send(purl,pc,pcbf,"POST",true);}
this.formToStr=function(fc){var i,qs="",and="",ev="";for(i=0;i<fc.length;i++){e=fc[i];if(e.name!=''){if(e.type=='select-one'&&e.selectedIndex>-1)ev=e.options[e.selectedIndex].value;else if(e.type=='checkbox'||e.type=='radio'){if(e.checked==false)continue;ev=e.value;}
else ev=e.value;ev=encode(ev);qs+=and+e.name+'='+ev;and="&";}}
return qs;}}