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:{},_isFormSubmit:false,_isFileUpload:false,_formNode:null,_sFormData:null,_poll:{},_timeOut:{},_polling_interval:50,_transaction_id:0,_submitElementValue:null,_hasSubmitListener:(function(){if(YAHOO.util.Event){YAHOO.util.Event.addListener(document,'click',function(e){var obj=YAHOO.util.Event.getTarget(e),name=obj.nodeName.toLowerCase();if((name==='input'||name==='button')&&(obj.type&&obj.type.toLowerCase()=='submit')){YAHOO.util.Connect._submitElementValue=encodeURIComponent(obj.name)+"="+encodeURIComponent(obj.value)}});return true}return false})(),startEvent:new YAHOO.util.CustomEvent('start'),completeEvent:new YAHOO.util.CustomEvent('complete'),successEvent:new YAHOO.util.CustomEvent('success'),failureEvent:new YAHOO.util.CustomEvent('failure'),uploadEvent:new YAHOO.util.CustomEvent('upload'),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(id){this._msxml_progid.unshift(id)},setDefaultPostHeader:function(b){if(typeof b=='string'){this._default_post_header=b}else if(typeof b=='boolean'){this._use_default_post_header=b}},setDefaultXhrHeader:function(b){if(typeof b=='string'){this._default_xhr_header=b}else{this._use_default_xhr_header=b}},setPollingInterval:function(i){if(typeof i=='number'&&isFinite(i)){this._polling_interval=i}},createXhrObject:function(transactionId){var obj,http;try{http=new XMLHttpRequest();obj={conn:http,tId:transactionId}}catch(e){for(var i=0;i<this._msxml_progid.length;++i){try{http=new ActiveXObject(this._msxml_progid[i]);obj={conn:http,tId:transactionId};break}catch(e2){}}}finally{return obj}},getConnectionObject:function(isFileUpload){var o;var tId=this._transaction_id;try{if(!isFileUpload){o=this.createXhrObject(tId)}else{o={};o.tId=tId;o.isUpload=true}if(o){this._transaction_id++}}catch(e){}finally{return o}},asyncRequest:function(method,uri,callback,postData){var o=(this._isFileUpload)?this.getConnectionObject(true):this.getConnectionObject();var args=(callback&&callback.argument)?callback.argument:null;if(!o){return null}else{if(callback&&callback.customevents){this.initCustomEvents(o,callback)}if(this._isFormSubmit){if(this._isFileUpload){this.uploadFile(o,callback,uri,postData);return o}if(method.toUpperCase()=='GET'){if(this._sFormData.length!==0){uri+=((uri.indexOf('?')==-1)?'?':'&')+this._sFormData}}else if(method.toUpperCase()=='POST'){postData=postData?this._sFormData+"&"+postData:this._sFormData}}if(method.toUpperCase()=='GET'&&(callback&&callback.cache===false)){uri+=((uri.indexOf('?')==-1)?'?':'&')+"rnd="+new Date().valueOf().toString()}o.conn.open(method,uri,true);if(this._use_default_xhr_header){if(!this._default_headers['X-Requested-With']){this.initHeader('X-Requested-With',this._default_xhr_header,true)}}if((method.toUpperCase()==='POST'&&this._use_default_post_header)&&this._isFormSubmit===false){this.initHeader('Content-Type',this._default_post_header)}if(this._has_default_headers||this._has_http_headers){this.setHeader(o)}this.handleReadyState(o,callback);o.conn.send(postData||'');if(this._isFormSubmit===true){this.resetFormState()}this.startEvent.fire(o,args);if(o.startEvent){o.startEvent.fire(o,args)}return o}},initCustomEvents:function(o,callback){var prop;for(prop in callback.customevents){if(this._customEvents[prop][0]){o[this._customEvents[prop][0]]=new YAHOO.util.CustomEvent(this._customEvents[prop][1],(callback.scope)?callback.scope:null);o[this._customEvents[prop][0]].subscribe(callback.customevents[prop])}}},handleReadyState:function(o,callback){var oConn=this;var args=(callback&&callback.argument)?callback.argument:null;if(callback&&callback.timeout){this._timeOut[o.tId]=window.setTimeout(function(){oConn.abort(o,callback,true)},callback.timeout)}this._poll[o.tId]=window.setInterval(function(){if(o.conn&&o.conn.readyState===4){window.clearInterval(oConn._poll[o.tId]);delete oConn._poll[o.tId];if(callback&&callback.timeout){window.clearTimeout(oConn._timeOut[o.tId]);delete oConn._timeOut[o.tId]}oConn.completeEvent.fire(o,args);if(o.completeEvent){o.completeEvent.fire(o,args)}oConn.handleTransactionResponse(o,callback)}},this._polling_interval)},handleTransactionResponse:function(o,callback,isAbort){var httpStatus,responseObject;var args=(callback&&callback.argument)?callback.argument:null;try{if(o.conn.status!==undefined&&o.conn.status!==0){httpStatus=o.conn.status}else{httpStatus=13030}}catch(e){httpStatus=13030}if(httpStatus>=200&&httpStatus<300||httpStatus===1223){responseObject=this.createResponseObject(o,args);if(callback&&callback.success){if(!callback.scope){callback.success(responseObject)}else{callback.success.apply(callback.scope,[responseObject])}}this.successEvent.fire(responseObject);if(o.successEvent){o.successEvent.fire(responseObject)}}else{switch(httpStatus){case 12002:case 12029:case 12030:case 12031:case 12152:case 13030:responseObject=this.createExceptionObject(o.tId,args,(isAbort?isAbort:false));if(callback&&callback.failure){if(!callback.scope){callback.failure(responseObject)}else{callback.failure.apply(callback.scope,[responseObject])}}break;default:responseObject=this.createResponseObject(o,args);if(callback&&callback.failure){if(!callback.scope){callback.failure(responseObject)}else{callback.failure.apply(callback.scope,[responseObject])}}}this.failureEvent.fire(responseObject);if(o.failureEvent){o.failureEvent.fire(responseObject)}}this.releaseObject(o);responseObject=null},createResponseObject:function(o,callbackArg){var obj={};var headerObj={};try{var headerStr=o.conn.getAllResponseHeaders();var header=headerStr.split('\n');for(var i=0;i<header.length;i++){var delimitPos=header[i].indexOf(':');if(delimitPos!=-1){headerObj[header[i].substring(0,delimitPos)]=header[i].substring(delimitPos+2)}}}catch(e){}obj.tId=o.tId;obj.status=(o.conn.status==1223)?204:o.conn.status;obj.statusText=(o.conn.status==1223)?"No Content":o.conn.statusText;obj.getResponseHeader=headerObj;obj.getAllResponseHeaders=headerStr;obj.responseText=o.conn.responseText;obj.responseXML=o.conn.responseXML;if(callbackArg){obj.argument=callbackArg}return obj},createExceptionObject:function(tId,callbackArg,isAbort){var COMM_CODE=0;var COMM_ERROR='communication failure';var ABORT_CODE=-1;var ABORT_ERROR='transaction aborted';var obj={};obj.tId=tId;if(isAbort){obj.status=ABORT_CODE;obj.statusText=ABORT_ERROR}else{obj.status=COMM_CODE;obj.statusText=COMM_ERROR}if(callbackArg){obj.argument=callbackArg}return obj},initHeader:function(label,value,isDefault){var headerObj=(isDefault)?this._default_headers:this._http_headers;headerObj[label]=value;if(isDefault){this._has_default_headers=true}else{this._has_http_headers=true}},setHeader:function(o){var prop;if(this._has_default_headers){for(prop in this._default_headers){if(YAHOO.lang.hasOwnProperty(this._default_headers,prop)){o.conn.setRequestHeader(prop,this._default_headers[prop])}}}if(this._has_http_headers){for(prop in this._http_headers){if(YAHOO.lang.hasOwnProperty(this._http_headers,prop)){o.conn.setRequestHeader(prop,this._http_headers[prop])}}delete this._http_headers;this._http_headers={};this._has_http_headers=false}},resetDefaultHeaders:function(){delete this._default_headers;this._default_headers={};this._has_default_headers=false},setForm:function(formId,isUpload,secureUri){var oForm,oElement,oName,oValue,oDisabled,hasSubmit=false,data=[],item=0,i,len,j,jlen,opt;this.resetFormState();if(typeof formId=='string'){oForm=(document.getElementById(formId)||document.forms[formId])}else if(typeof formId=='object'){oForm=formId}else{return}if(isUpload){this.createFrame(secureUri?secureUri:null);this._isFormSubmit=true;this._isFileUpload=true;this._formNode=oForm;return}for(i=0,len=oForm.elements.length;i<len;++i){oElement=oForm.elements[i];oDisabled=oElement.disabled;oName=oElement.name;if(!oDisabled&&oName){oName=encodeURIComponent(oName)+'=';oValue=encodeURIComponent(oElement.value);switch(oElement.type){case'select-one':if(oElement.selectedIndex>-1){opt=oElement.options[oElement.selectedIndex];data[item++]=oName+encodeURIComponent((opt.attributes.value&&opt.attributes.value.specified)?opt.value:opt.text)}break;case'select-multiple':if(oElement.selectedIndex>-1){for(j=oElement.selectedIndex,jlen=oElement.options.length;j<jlen;++j){opt=oElement.options[j];if(opt.selected){data[item++]=oName+encodeURIComponent((opt.attributes.value&&opt.attributes.value.specified)?opt.value:opt.text)}}}break;case'radio':case'checkbox':if(oElement.checked){data[item++]=oName+oValue}break;case'file':case undefined:case'reset':case'button':break;case'submit':if(hasSubmit===false){if(this._hasSubmitListener&&this._submitElementValue){data[item++]=this._submitElementValue}hasSubmit=true}break;default:data[item++]=oName+oValue}}}this._isFormSubmit=true;this._sFormData=data.join('&');this.initHeader('Content-Type',this._default_form_header);return this._sFormData},resetFormState:function(){this._isFormSubmit=false;this._isFileUpload=false;this._formNode=null;this._sFormData=""},createFrame:function(secureUri){var frameId='yuiIO'+this._transaction_id;var io;if(YAHOO.env.ua.ie){io=document.createElement('<iframe id="'+frameId+'" name="'+frameId+'" />');if(typeof secureUri=='boolean'){io.src='javascript:false'}}else{io=document.createElement('iframe');io.id=frameId;io.name=frameId}io.style.position='absolute';io.style.top='-1000px';io.style.left='-1000px';document.body.appendChild(io)},appendPostData:function(postData){var formElements=[],postMessage=postData.split('&'),i,delimitPos;for(i=0;i<postMessage.length;i++){delimitPos=postMessage[i].indexOf('=');if(delimitPos!=-1){formElements[i]=document.createElement('input');formElements[i].type='hidden';formElements[i].name=decodeURIComponent(postMessage[i].substring(0,delimitPos));formElements[i].value=decodeURIComponent(postMessage[i].substring(delimitPos+1));this._formNode.appendChild(formElements[i])}}return formElements},uploadFile:function(o,callback,uri,postData){var frameId='yuiIO'+o.tId,uploadEncoding='multipart/form-data',io=document.getElementById(frameId),oConn=this,args=(callback&&callback.argument)?callback.argument:null,oElements,i,prop,obj;var rawFormAttributes={action:this._formNode.getAttribute('action'),method:this._formNode.getAttribute('method'),target:this._formNode.getAttribute('target')};this._formNode.setAttribute('action',uri);this._formNode.setAttribute('method','POST');this._formNode.setAttribute('target',frameId);if(YAHOO.env.ua.ie){this._formNode.setAttribute('encoding',uploadEncoding)}else{this._formNode.setAttribute('enctype',uploadEncoding)}if(postData){oElements=this.appendPostData(postData)}this._formNode.submit();this.startEvent.fire(o,args);if(o.startEvent){o.startEvent.fire(o,args)}if(callback&&callback.timeout){this._timeOut[o.tId]=window.setTimeout(function(){oConn.abort(o,callback,true)},callback.timeout)}if(oElements&&oElements.length>0){for(i=0;i<oElements.length;i++){this._formNode.removeChild(oElements[i])}}for(prop in rawFormAttributes){if(YAHOO.lang.hasOwnProperty(rawFormAttributes,prop)){if(rawFormAttributes[prop]){this._formNode.setAttribute(prop,rawFormAttributes[prop])}else{this._formNode.removeAttribute(prop)}}}this.resetFormState();var uploadCallback=function(){if(callback&&callback.timeout){window.clearTimeout(oConn._timeOut[o.tId]);delete oConn._timeOut[o.tId]}oConn.completeEvent.fire(o,args);if(o.completeEvent){o.completeEvent.fire(o,args)}obj={tId:o.tId,argument:callback.argument};try{obj.responseText=io.contentWindow.document.body?io.contentWindow.document.body.innerHTML:io.contentWindow.document.documentElement.textContent;obj.responseXML=io.contentWindow.document.XMLDocument?io.contentWindow.document.XMLDocument:io.contentWindow.document}catch(e){}if(callback&&callback.upload){if(!callback.scope){callback.upload(obj)}else{callback.upload.apply(callback.scope,[obj])}}oConn.uploadEvent.fire(obj);if(o.uploadEvent){o.uploadEvent.fire(obj)}YAHOO.util.Event.removeListener(io,"load",uploadCallback);setTimeout(function(){document.body.removeChild(io);oConn.releaseObject(o)},100)};YAHOO.util.Event.addListener(io,"load",uploadCallback)},abort:function(o,callback,isTimeout){var abortStatus;var args=(callback&&callback.argument)?callback.argument:null;if(o&&o.conn){if(this.isCallInProgress(o)){o.conn.abort();window.clearInterval(this._poll[o.tId]);delete this._poll[o.tId];if(isTimeout){window.clearTimeout(this._timeOut[o.tId]);delete this._timeOut[o.tId]}abortStatus=true}}else if(o&&o.isUpload===true){var frameId='yuiIO'+o.tId;var io=document.getElementById(frameId);if(io){YAHOO.util.Event.removeListener(io,"load");document.body.removeChild(io);if(isTimeout){window.clearTimeout(this._timeOut[o.tId]);delete this._timeOut[o.tId]}abortStatus=true}}else{abortStatus=false}if(abortStatus===true){this.abortEvent.fire(o,args);if(o.abortEvent){o.abortEvent.fire(o,args)}this.handleTransactionResponse(o,callback,true)}return abortStatus},isCallInProgress:function(o){if(o&&o.conn){return o.conn.readyState!==4&&o.conn.readyState!==0}else if(o&&o.isUpload===true){var frameId='yuiIO'+o.tId;return document.getElementById(frameId)?true:false}else{return false}},releaseObject:function(o){if(o&&o.conn){o.conn=null;o=null}}};YAHOO.register("connection",YAHOO.util.Connect,{version:"2.7.0",build:"1799"});