YAHOO.util.Connect={_msxml_progid:["Microsoft.XMLHTTP","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP"],_http_headers:{},_has_http_headers:false,_use_default_post_header:true,_default_post_header:"application/x-www-form-urlencoded; charset=UTF-8",_default_form_header:"application/x-www-form-urlencoded",_use_default_xhr_header:true,_default_xhr_header:"XMLHttpRequest",_has_default_headers:true,_default_headers:{},_poll:{},_timeOut:{},_polling_interval:50,_transaction_id:0,startEvent:new YAHOO.util.CustomEvent("start"),completeEvent:new YAHOO.util.CustomEvent("complete"),successEvent:new YAHOO.util.CustomEvent("success"),failureEvent:new YAHOO.util.CustomEvent("failure"),abortEvent:new YAHOO.util.CustomEvent("abort"),_customEvents:{onStart:["startEvent","start"],onComplete:["completeEvent","complete"],onSuccess:["successEvent","success"],onFailure:["failureEvent","failure"],onUpload:["uploadEvent","upload"],onAbort:["abortEvent","abort"]},setProgId:function(a){this._msxml_progid.unshift(a)
},setDefaultPostHeader:function(a){if(typeof a=="string"){this._default_post_header=a
}else{if(typeof a=="boolean"){this._use_default_post_header=a
}}},setDefaultXhrHeader:function(a){if(typeof a=="string"){this._default_xhr_header=a
}else{this._use_default_xhr_header=a
}},setPollingInterval:function(a){if(typeof a=="number"&&isFinite(a)){this._polling_interval=a
}},createXhrObject:function(b){var d,a,f;
try{a=new XMLHttpRequest();
d={conn:a,tId:b,xhr:true}
}catch(e){for(f=0;
f<this._msxml_progid.length;
++f){try{a=new ActiveXObject(this._msxml_progid[f]);
d={conn:a,tId:b,xhr:true};
break
}catch(c){}}}finally{return d
}},getConnectionObject:function(a){var c,b=this._transaction_id;
try{if(!a){c=this.createXhrObject(b)
}else{c={tId:b};
if(a==="xdr"){c.conn=this._transport;
c.xdr=true
}else{if(a==="upload"){c.upload=true
}}}if(c){this._transaction_id++
}}catch(d){}return c
},asyncRequest:function(b,e,c,a){var d,f,g=(c&&c.argument)?c.argument:null;
if(this._isFileUpload){f="upload"
}else{if(c.xdr){f="xdr"
}}d=this.getConnectionObject(f);
if(!d){return null
}else{if(c&&c.customevents){this.initCustomEvents(d,c)
}if(this._isFormSubmit){if(this._isFileUpload){this.uploadFile(d,c,e,a);
return d
}if(b.toUpperCase()=="GET"){if(this._sFormData.length!==0){e+=((e.indexOf("?")==-1)?"?":"&")+this._sFormData
}}else{if(b.toUpperCase()=="POST"){a=a?this._sFormData+"&"+a:this._sFormData
}}}if(b.toUpperCase()=="GET"&&(c&&c.cache===false)){e+=((e.indexOf("?")==-1)?"?":"&")+"rnd="+new Date().valueOf().toString()
}if(this._use_default_xhr_header){if(!this._default_headers["X-Requested-With"]){this.initHeader("X-Requested-With",this._default_xhr_header,true)
}}if((b.toUpperCase()==="POST"&&this._use_default_post_header)&&this._isFormSubmit===false){this.initHeader("Content-Type",this._default_post_header)
}if(d.xdr){this.xdr(d,b,e,c,a);
return d
}d.conn.open(b,e,true);
if(this._has_default_headers||this._has_http_headers){this.setHeader(d)
}this.handleReadyState(d,c);
d.conn.send(a||"");
if(this._isFormSubmit===true){this.resetFormState()
}this.startEvent.fire(d,g);
if(d.startEvent){d.startEvent.fire(d,g)
}return d
}},initCustomEvents:function(a,b){var c;
for(c in b.customevents){if(this._customEvents[c][0]){a[this._customEvents[c][0]]=new YAHOO.util.CustomEvent(this._customEvents[c][1],(b.scope)?b.scope:null);
a[this._customEvents[c][0]].subscribe(b.customevents[c])
}}},handleReadyState:function(c,b){var d=this,a=(b&&b.argument)?b.argument:null;
if(b&&b.timeout){this._timeOut[c.tId]=window.setTimeout(function(){d.abort(c,b,true)
},b.timeout)
}this._poll[c.tId]=window.setInterval(function(){if(c.conn&&c.conn.readyState===4){window.clearInterval(d._poll[c.tId]);
delete d._poll[c.tId];
if(b&&b.timeout){window.clearTimeout(d._timeOut[c.tId]);
delete d._timeOut[c.tId]
}d.completeEvent.fire(c,a);
if(c.completeEvent){c.completeEvent.fire(c,a)
}d.handleTransactionResponse(c,b)
}},this._polling_interval)
},handleTransactionResponse:function(c,f,a){var j,d,h=(f&&f.argument)?f.argument:null,b=(c.r&&c.r.statusText==="xdr:success")?true:false,g=(c.r&&c.r.statusText==="xdr:failure")?true:false,e=a;
try{if((c.conn.status!==undefined&&c.conn.status!==0)||b){j=c.conn.status
}else{if(g&&!e){j=0
}else{j=13030
}}}catch(i){j=13030
}if((j>=200&&j<300)||j===1223||b){d=c.xdr?c.r:this.createResponseObject(c,h);
if(f&&f.success){if(!f.scope){f.success(d)
}else{f.success.apply(f.scope,[d])
}}this.successEvent.fire(d);
if(c.successEvent){c.successEvent.fire(d)
}}else{switch(j){case 12002:case 12029:case 12030:case 12031:case 12152:case 13030:d=this.createExceptionObject(c.tId,h,(a?a:false));
if(f&&f.failure){if(!f.scope){f.failure(d)
}else{f.failure.apply(f.scope,[d])
}}break;
default:d=(c.xdr)?c.response:this.createResponseObject(c,h);
if(f&&f.failure){if(!f.scope){f.failure(d)
}else{f.failure.apply(f.scope,[d])
}}}this.failureEvent.fire(d);
if(c.failureEvent){c.failureEvent.fire(d)
}}this.releaseObject(c);
d=null
},createResponseObject:function(d,g){var a={},e={},i,b,h,c;
try{b=d.conn.getAllResponseHeaders();
h=b.split("\n");
for(i=0;
i<h.length;
i++){c=h[i].indexOf(":");
if(c!=-1){e[h[i].substring(0,c)]=YAHOO.lang.trim(h[i].substring(c+2))
}}}catch(f){}a.tId=d.tId;
a.status=(d.conn.status==1223)?204:d.conn.status;
a.statusText=(d.conn.status==1223)?"No Content":d.conn.statusText;
a.getResponseHeader=e;
a.getAllResponseHeaders=b;
a.responseText=d.conn.responseText;
a.responseXML=d.conn.responseXML;
if(g){a.argument=g
}return a
},createExceptionObject:function(b,f,a){var d=0,c="communication failure",g=-1,h="transaction aborted",e={};
e.tId=b;
if(a){e.status=g;
e.statusText=h
}else{e.status=d;
e.statusText=c
}if(f){e.argument=f
}return e
},initHeader:function(a,b,c){var d=(c)?this._default_headers:this._http_headers;
d[a]=b;
if(c){this._has_default_headers=true
}else{this._has_http_headers=true
}},setHeader:function(a){var b;
if(this._has_default_headers){for(b in this._default_headers){if(YAHOO.lang.hasOwnProperty(this._default_headers,b)){a.conn.setRequestHeader(b,this._default_headers[b])
}}}if(this._has_http_headers){for(b in this._http_headers){if(YAHOO.lang.hasOwnProperty(this._http_headers,b)){a.conn.setRequestHeader(b,this._http_headers[b])
}}this._http_headers={};
this._has_http_headers=false
}},resetDefaultHeaders:function(){this._default_headers={};
this._has_default_headers=false
},abort:function(d,b,a){var e,g=(b&&b.argument)?b.argument:null;
d=d||{};
if(d.conn){if(d.xhr){if(this.isCallInProgress(d)){d.conn.abort();
window.clearInterval(this._poll[d.tId]);
delete this._poll[d.tId];
if(a){window.clearTimeout(this._timeOut[d.tId]);
delete this._timeOut[d.tId]
}e=true
}}else{if(d.xdr){d.conn.abort(d.tId);
e=true
}}}else{if(d.upload){var f="yuiIO"+d.tId;
var c=document.getElementById(f);
if(c){YAHOO.util.Event.removeListener(c,"load");
document.body.removeChild(c);
if(a){window.clearTimeout(this._timeOut[d.tId]);
delete this._timeOut[d.tId]
}e=true
}}else{e=false
}}if(e===true){this.abortEvent.fire(d,g);
if(d.abortEvent){d.abortEvent.fire(d,g)
}this.handleTransactionResponse(d,b,true)
}return e
},isCallInProgress:function(a){a=a||{};
if(a.xhr&&a.conn){return a.conn.readyState!==4&&a.conn.readyState!==0
}else{if(a.xdr&&a.conn){return a.conn.isCallInProgress(a.tId)
}else{if(a.upload===true){return document.getElementById("yuiIO"+a.tId)?true:false
}else{return false
}}}},releaseObject:function(a){if(a&&a.conn){a.conn=null;
a=null
}}};
YAHOO.register("connection_core",YAHOO.util.Connect,{version:"2.8.0r4",build:"2449"});