/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.7.0
*/
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(C) { var B = YAHOO.util.Event.getTarget(C), A = B.nodeName.toLowerCase(); if ((A === "input" || A === "button") && (B.type && B.type.toLowerCase() == "submit")) { YAHOO.util.Connect._submitElementValue = encodeURIComponent(B.name) + "=" + encodeURIComponent(B.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) { 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(F) { var E, A; try { A = new XMLHttpRequest(); E = { conn: A, tId: F }; } catch (D) { for (var B = 0; B < this._msxml_progid.length; ++B) { try { A = new ActiveXObject(this._msxml_progid[B]); E = { conn: A, tId: F }; break; } catch (C) { } } } finally { return E; } }, 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(F, C, E, A) { var D = (this._isFileUpload) ? this.getConnectionObject(true) : this.getConnectionObject(); var B = (E && E.argument) ? E.argument : null; if (!D) { return null; } else { if (E && E.customevents) { this.initCustomEvents(D, E); } if (this._isFormSubmit) { if (this._isFileUpload) { this.uploadFile(D, E, C, A); return D; } if (F.toUpperCase() == "GET") { if (this._sFormData.length !== 0) { C += ((C.indexOf("?") == -1) ? "?" : "&") + this._sFormData; } } else { if (F.toUpperCase() == "POST") { A = A ? this._sFormData + "&" + A : this._sFormData; } } } if (F.toUpperCase() == "GET" && (E && E.cache === false)) { C += ((C.indexOf("?") == -1) ? "?" : "&") + "rnd=" + new Date().valueOf().toString(); } D.conn.open(F, C, 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 ((F.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(D); } this.handleReadyState(D, E); D.conn.send(A || ""); if (this._isFormSubmit === true) { this.resetFormState(); } this.startEvent.fire(D, B); if (D.startEvent) { D.startEvent.fire(D, B); } return D; } }, initCustomEvents: function(A, C) { var B; for (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(C, D) { var B = this; var A = (D && D.argument) ? D.argument : null; if (D && D.timeout) { this._timeOut[C.tId] = window.setTimeout(function() { B.abort(C, D, true); }, D.timeout); } this._poll[C.tId] = window.setInterval(function() { if (C.conn && C.conn.readyState === 4) { window.clearInterval(B._poll[C.tId]); delete B._poll[C.tId]; if (D && D.timeout) { window.clearTimeout(B._timeOut[C.tId]); delete B._timeOut[C.tId]; } B.completeEvent.fire(C, A); if (C.completeEvent) { C.completeEvent.fire(C, A); } B.handleTransactionResponse(C, D); } }, this._polling_interval); }, handleTransactionResponse: function(F, G, A) { var D, C; var B = (G && G.argument) ? G.argument : null; try { if (F.conn.status !== undefined && F.conn.status !== 0) { D = F.conn.status; } else { D = 13030; } } catch (E) { D = 13030; } if (D >= 200 && D < 300 || D === 1223) { C = this.createResponseObject(F, B); if (G && G.success) { if (!G.scope) { G.success(C); } else { G.success.apply(G.scope, [C]); } } this.successEvent.fire(C); if (F.successEvent) { F.successEvent.fire(C); } } else { switch (D) { case 12002: case 12029: case 12030: case 12031: case 12152: case 13030: C = this.createExceptionObject(F.tId, B, (A ? A : false)); if (G && G.failure) { if (!G.scope) { G.failure(C); } else { G.failure.apply(G.scope, [C]); } } break; default: C = this.createResponseObject(F, B); if (G && G.failure) { if (!G.scope) { G.failure(C); } else { G.failure.apply(G.scope, [C]); } } } this.failureEvent.fire(C); if (F.failureEvent) { F.failureEvent.fire(C); } } this.releaseObject(F); C = null; }, createResponseObject: function(A, G) { var D = {}; var I = {}; try { var C = A.conn.getAllResponseHeaders(); var F = C.split("\n"); for (var E = 0; E < F.length; E++) { var B = F[E].indexOf(":"); if (B != -1) { I[F[E].substring(0, B)] = F[E].substring(B + 2); } } } catch (H) { } 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 = I; D.getAllResponseHeaders = C; D.responseText = A.conn.responseText; D.responseXML = A.conn.responseXML; if (G) { D.argument = G; } 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; B[A] = D; 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]); } } 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, H, C) { var L, B, K, I, P, J = false, F = [], O = 0, E, G, D, N, A; this.resetFormState(); if (typeof M == "string") { L = (document.getElementById(M) || document.forms[M]); } else { if (typeof M == "object") { L = M; } else { return; } } if (H) { this.createFrame(C ? C : null); this._isFormSubmit = true; this._isFileUpload = true; this._formNode = L; return; } for (E = 0, G = L.elements.length; E < G; ++E) { B = L.elements[E]; P = B.disabled; K = B.name; if (!P && K) { K = encodeURIComponent(K) + "="; I = encodeURIComponent(B.value); switch (B.type) { case "select-one": if (B.selectedIndex > -1) { A = B.options[B.selectedIndex]; F[O++] = K + encodeURIComponent((A.attributes.value && A.attributes.value.specified) ? A.value : A.text); } break; case "select-multiple": if (B.selectedIndex > -1) { for (D = B.selectedIndex, N = B.options.length; D < N; ++D) { A = B.options[D]; if (A.selected) { F[O++] = K + encodeURIComponent((A.attributes.value && A.attributes.value.specified) ? A.value : A.text); } } } break; case "radio": case "checkbox": if (B.checked) { F[O++] = K + I; } break; case "file": case undefined: case "reset": case "button": break; case "submit": if (J === false) { if (this._hasSubmitListener && this._submitElementValue) { F[O++] = this._submitElementValue; } J = true; } break; default: F[O++] = K + I; } } } this._isFormSubmit = true; this._sFormData = F.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(A) { var B = "yuiIO" + this._transaction_id; var C; if (YAHOO.env.ua.ie) { C = document.createElement('<iframe id="' + B + '" name="' + B + '" />'); if (typeof A == "boolean") { C.src = "javascript:false"; } } 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 = [], B = A.split("&"), C, E; for (C = 0; C < B.length; C++) { E = B[C].indexOf("="); if (E != -1) { D[C] = document.createElement("input"); D[C].type = "hidden"; D[C].name = decodeURIComponent(B[C].substring(0, E)); D[C].value = decodeURIComponent(B[C].substring(E + 1)); this._formNode.appendChild(D[C]); } } return D; }, uploadFile: function(D, N, E, C) { var I = "yuiIO" + D.tId, J = "multipart/form-data", L = document.getElementById(I), O = this, K = (N && N.argument) ? N.argument : null, M, H, B, G; var A = { 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", I); if (YAHOO.env.ua.ie) { this._formNode.setAttribute("encoding", J); } else { this._formNode.setAttribute("enctype", J); } if (C) { M = this.appendPostData(C); } this._formNode.submit(); this.startEvent.fire(D, K); if (D.startEvent) { D.startEvent.fire(D, K); } if (N && N.timeout) { this._timeOut[D.tId] = window.setTimeout(function() { O.abort(D, N, true); }, N.timeout); } if (M && M.length > 0) { for (H = 0; H < M.length; H++) { this._formNode.removeChild(M[H]); } } for (B in A) { if (YAHOO.lang.hasOwnProperty(A, B)) { if (A[B]) { this._formNode.setAttribute(B, A[B]); } else { this._formNode.removeAttribute(B); } } } this.resetFormState(); var F = function() { if (N && N.timeout) { window.clearTimeout(O._timeOut[D.tId]); delete O._timeOut[D.tId]; } O.completeEvent.fire(D, K); if (D.completeEvent) { D.completeEvent.fire(D, K); } G = { tId: D.tId, argument: N.argument }; try { G.responseText = L.contentWindow.document.body ? L.contentWindow.document.body.innerHTML : L.contentWindow.document.documentElement.textContent; G.responseXML = L.contentWindow.document.XMLDocument ? L.contentWindow.document.XMLDocument : L.contentWindow.document; } catch (P) { } if (N && N.upload) { if (!N.scope) { N.upload(G); } else { N.upload.apply(N.scope, [G]); } } O.uploadEvent.fire(G); if (D.uploadEvent) { D.uploadEvent.fire(G); } YAHOO.util.Event.removeListener(L, "load", F); setTimeout(function() { document.body.removeChild(L); O.releaseObject(D); }, 100); }; YAHOO.util.Event.addListener(L, "load", F); }, abort: function(E, G, A) { var D; var B = (G && G.argument) ? G.argument : null; if (E && E.conn) { if (this.isCallInProgress(E)) { E.conn.abort(); window.clearInterval(this._poll[E.tId]); delete this._poll[E.tId]; if (A) { window.clearTimeout(this._timeOut[E.tId]); delete this._timeOut[E.tId]; } D = true; } } else { if (E && E.isUpload === true) { var C = "yuiIO" + E.tId; var F = document.getElementById(C); if (F) { YAHOO.util.Event.removeListener(F, "load"); document.body.removeChild(F); if (A) { window.clearTimeout(this._timeOut[E.tId]); delete this._timeOut[E.tId]; } D = true; } } else { D = false; } } if (D === true) { this.abortEvent.fire(E, B); if (E.abortEvent) { E.abortEvent.fire(E, B); } this.handleTransactionResponse(E, G, true); } return D; }, 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 && A.conn) { A.conn = null; A = null; } } 
}; YAHOO.register("connection", YAHOO.util.Connect, { version: "2.7.0", build: "1796" });