YAHOO.util.Connect={_msxml_progid:["MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP","Microsoft.XMLHTTP"],_http_headers:{},_has_http_headers:false,_use_default_post_header:true,_default_post_header:"application/x-www-form-urlencoded; charset=UTF-8",_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(b){var a=YAHOO.util.Event.getTarget(b);if(a.type=="submit"){YAHOO.util.Connect._submitElementValue=encodeURIComponent(a.name)+"="+encodeURIComponent(a.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(a){this._msxml_progid.unshift(a)},setDefaultPostHeader:function(a){this._use_default_post_header=a},setDefaultXhrHeader:function(a){this._use_default_xhr_header=a},setPollingInterval:function(a){if(typeof a=="number"&&isFinite(a)){this._polling_interval=a}},createXhrObject:function(f){var d,a;try{a=new XMLHttpRequest();d={conn:a,tId:f}}catch(c){for(var b=0;b<this._msxml_progid.length;++b){try{a=new ActiveXObject(this._msxml_progid[b]);d={conn:a,tId:f};break}catch(c){}}}finally{return d}},getConnectionObject:function(a){var c;var d=this._transaction_id;try{if(!a){c=this.createXhrObject(d)}else{c={};c.tId=d;c.isUpload=true}if(c){this._transaction_id++}}catch(b){}finally{return c}},asyncRequest:function(e,b,d,a){var c=(this._isFileUpload)?this.getConnectionObject(true):this.getConnectionObject();if(!c){return null}else{if(d&&d.customevents){this.initCustomEvents(c,d)}if(this._isFormSubmit){if(this._isFileUpload){this.uploadFile(c,d,b,a);return c}if(e.toUpperCase()=="GET"){if(this._sFormData.length!==0){b+=((b.indexOf("?")==-1)?"?":"&")+this._sFormData}else{b+="?"+this._sFormData}}else{if(e.toUpperCase()=="POST"){a=a?this._sFormData+"&"+a:this._sFormData}}}c.conn.open(e,b,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(this._isFormSubmit||(a&&this._use_default_post_header)){this.initHeader("Content-Type",this._default_post_header);if(this._isFormSubmit){this.resetFormState()}}if(this._has_default_headers||this._has_http_headers){this.setHeader(c)}this.handleReadyState(c,d);c.conn.send(a||null);this.startEvent.fire(c);if(c.startEvent){c.startEvent.fire(c)}return c}},initCustomEvents:function(a,c){for(var b in c.customevents){if(this._customEvents[b][0]){a[this._customEvents[b][0]]=new YAHOO.util.CustomEvent(this._customEvents[b][1],(c.scope)?c.scope:null);a[this._customEvents[b][0]].subscribe(c.customevents[b])}}},handleReadyState:function(b,c){var a=this;if(c&&c.timeout){this._timeOut[b.tId]=window.setTimeout(function(){a.abort(b,c,true)},c.timeout)}this._poll[b.tId]=window.setInterval(function(){if(b.conn&&b.conn.readyState===4){window.clearInterval(a._poll[b.tId]);delete a._poll[b.tId];if(c&&c.timeout){window.clearTimeout(a._timeOut[b.tId]);delete a._timeOut[b.tId]}a.completeEvent.fire(b);if(b.completeEvent){b.completeEvent.fire(b)}a.handleTransactionResponse(b,c)}},this._polling_interval)},handleTransactionResponse:function(f,g,a){if(!g){this.releaseObject(f);return}var c,b;try{if(f.conn.status!==undefined&&f.conn.status!==0){c=f.conn.status}else{c=13030}}catch(d){c=13030}if(c>=200&&c<300||c===1223){b=this.createResponseObject(f,g.argument);if(g.success){if(!g.scope){g.success(b)}else{g.success.apply(g.scope,[b])}}this.successEvent.fire(b);if(f.successEvent){f.successEvent.fire(b)}}else{switch(c){case 12002:case 12029:case 12030:case 12031:case 12152:case 13030:b=this.createExceptionObject(f.tId,g.argument,(a?a:false));if(g.failure){if(!g.scope){g.failure(b)}else{g.failure.apply(g.scope,[b])}}break;default:b=this.createResponseObject(f,g.argument);if(g.failure){if(!g.scope){g.failure(b)}else{g.failure.apply(g.scope,[b])}}}this.failureEvent.fire(b);if(f.failureEvent){f.failureEvent.fire(b)}}this.releaseObject(f);b=null},createResponseObject:function(a,h){var d={};var k={};try{var c=a.conn.getAllResponseHeaders();var g=c.split("\n");for(var f=0;f<g.length;f++){var b=g[f].indexOf(":");if(b!=-1){k[g[f].substring(0,b)]=g[f].substring(b+2)}}}catch(j){}d.tId=a.tId;d.status=(a.conn.status==1223)?204:a.conn.status;d.statusText=(a.conn.status==1223)?"No Content":a.conn.statusText;d.getResponseHeader=k;d.getAllResponseHeaders=c;d.responseText=a.conn.responseText;d.responseXML=a.conn.responseXML;if(typeof h!==undefined){d.argument=h}return d},createExceptionObject:function(h,d,a){var f=0;var g="communication failure";var c=-1;var b="transaction aborted";var e={};e.tId=h;if(a){e.status=c;e.statusText=b}else{e.status=f;e.statusText=g}if(d){e.argument=d}return e},initHeader:function(a,d,c){var b=(c)?this._default_headers:this._http_headers;if(b[a]===undefined){b[a]=d}else{b[a]=d+","+b[a]}if(c){this._has_default_headers=true}else{this._has_http_headers=true}},setHeader:function(a){if(this._has_default_headers){for(var 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(var b in this._http_headers){if(YAHOO.lang.hasOwnProperty(this._http_headers,b)){a.conn.setRequestHeader(b,this._http_headers[b])}}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(m,e,b){this.resetFormState();var l;if(typeof m=="string"){l=(document.getElementById(m)||document.forms[m])}else{if(typeof m=="object"){l=m}else{return}}if(e){var f=this.createFrame(b?b:null);this._isFormSubmit=true;this._isFileUpload=true;this._formNode=l;return}var a,k,g,n;var h=false;for(var d=0;d<l.elements.length;d++){a=l.elements[d];n=l.elements[d].disabled;k=l.elements[d].name;g=l.elements[d].value;if(!n&&k){switch(a.type){case"select-one":case"select-multiple":for(var c=0;c<a.options.length;c++){if(a.options[c].selected){if(window.ActiveXObject){this._sFormData+=encodeURIComponent(k)+"="+encodeURIComponent(a.options[c].attributes.value.specified?a.options[c].value:a.options[c].text)+"&"}else{this._sFormData+=encodeURIComponent(k)+"="+encodeURIComponent(a.options[c].hasAttribute("value")?a.options[c].value:a.options[c].text)+"&"}}}break;case"radio":case"checkbox":if(a.checked){this._sFormData+=encodeURIComponent(k)+"="+encodeURIComponent(g)+"&"}break;case"file":case undefined:case"reset":case"button":break;case"submit":if(h===false){if(this._hasSubmitListener&&this._submitElementValue){this._sFormData+=this._submitElementValue+"&"}else{this._sFormData+=encodeURIComponent(k)+"="+encodeURIComponent(g)+"&"}h=true}break;default:this._sFormData+=encodeURIComponent(k)+"="+encodeURIComponent(g)+"&"}}}this._isFormSubmit=true;this._sFormData=this._sFormData.substr(0,this._sFormData.length-1);return this._sFormData},resetFormState:function(){this._isFormSubmit=false;this._isFileUpload=false;this._formNode=null;this._sFormData=""},createFrame:function(a){var b="yuiIO"+this._transaction_id;var c;if(window.ActiveXObject){c=document.createElement('<iframe id="'+b+'" name="'+b+'" />');if(typeof a=="boolean"){c.src="javascript:false"}else{if(typeof secureURI=="string"){c.src=a}}}else{c=document.createElement("iframe");c.id=b;c.name=b}c.style.position="absolute";c.style.top="-1000px";c.style.left="-1000px";document.body.appendChild(c)},appendPostData:function(a){var d=[];var b=a.split("&");for(var c=0;c<b.length;c++){var e=b[c].indexOf("=");if(e!=-1){d[c]=document.createElement("input");d[c].type="hidden";d[c].name=b[c].substring(0,e);d[c].value=b[c].substring(e+1);this._formNode.appendChild(d[c])}}return d},uploadFile:function(d,m,e,c){var h="yuiIO"+d.tId;var j="multipart/form-data";var k=document.getElementById(h);var n=this;var b={action:this._formNode.getAttribute("action"),method:this._formNode.getAttribute("method"),target:this._formNode.getAttribute("target")};this._formNode.setAttribute("action",e);this._formNode.setAttribute("method","POST");this._formNode.setAttribute("target",h);if(this._formNode.encoding){this._formNode.setAttribute("encoding",j)}else{this._formNode.setAttribute("enctype",j)}if(c){var l=this.appendPostData(c)}this._formNode.submit();this.startEvent.fire(d);if(d.startEvent){d.startEvent.fire(d)}if(m&&m.timeout){this._timeOut[d.tId]=window.setTimeout(function(){n.abort(d,m,true)},m.timeout)}if(l&&l.length>0){for(var g=0;g<l.length;g++){this._formNode.removeChild(l[g])}}for(var a in b){if(YAHOO.lang.hasOwnProperty(b,a)){if(b[a]){this._formNode.setAttribute(a,b[a])}else{this._formNode.removeAttribute(a)}}}this.resetFormState();var f=function(){if(m&&m.timeout){window.clearTimeout(n._timeOut[d.tId]);delete n._timeOut[d.tId]}n.completeEvent.fire(d);if(d.completeEvent){d.completeEvent.fire(d)}var o={};o.tId=d.tId;o.argument=m.argument;try{o.responseText=k.contentWindow.document.body?k.contentWindow.document.body.innerHTML:k.contentWindow.document.documentElement.textContent;o.responseXML=k.contentWindow.document.XMLDocument?k.contentWindow.document.XMLDocument:k.contentWindow.document}catch(i){}if(m&&m.upload){if(!m.scope){m.upload(o)}else{m.upload.apply(m.scope,[o])}}n.uploadEvent.fire(o);if(d.uploadEvent){d.uploadEvent.fire(o)}if(YAHOO.util.Event){YAHOO.util.Event.removeListener(k,"load",f)}else{if(window.detachEvent){k.detachEvent("onload",f)}else{k.removeEventListener("load",f,false)}}setTimeout(function(){document.body.removeChild(k);n.releaseObject(d)},100)};if(YAHOO.util.Event){YAHOO.util.Event.addListener(k,"load",f)}else{if(window.attachEvent){k.attachEvent("onload",f)}else{k.addEventListener("load",f,false)}}},abort:function(d,f,a){var c;if(d.conn){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]}c=true}}else{if(d.isUpload===true){var b="yuiIO"+d.tId;var e=document.getElementById(b);if(e){document.body.removeChild(e);if(a){window.clearTimeout(this._timeOut[d.tId]);delete this._timeOut[d.tId]}c=true}}else{c=false}}if(c===true){this.abortEvent.fire(d);if(d.abortEvent){d.abortEvent.fire(d)}this.handleTransactionResponse(d,f,true)}else{}return c},isCallInProgress:function(b){if(b&&b.conn){return b.conn.readyState!==4&&b.conn.readyState!==0}else{if(b&&b.isUpload===true){var a="yuiIO"+b.tId;return document.getElementById(a)?true:false}else{return false}}},releaseObject:function(a){if(a.conn){a.conn=null}a=null}};YAHOO.register("connection",YAHOO.util.Connect,{version:"2.3.0",build:"442"});