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260 lines
9.9 KiB
260 lines
9.9 KiB
////////////////////////////////////////////
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// PostBack and AjaxPostBack
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////////////////////////////////////////////
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qcodo.postBack = function(strForm, strControl, strEvent, strParameter) {
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var objForm = document.getElementById(strForm);
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objForm.Qform__FormControl.value = strControl;
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objForm.Qform__FormEvent.value = strEvent;
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objForm.Qform__FormParameter.value = strParameter;
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objForm.Qform__FormCallType.value = "Server";
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objForm.Qform__FormUpdates.value = this.formUpdates();
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objForm.Qform__FormCheckableControls.value = this.formCheckableControls(strForm, "Server");
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objForm.submit();
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};
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qcodo.formUpdates = function() {
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var strToReturn = "";
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for (var strControlId in qcodo.controlModifications)
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for (var strProperty in qcodo.controlModifications[strControlId])
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strToReturn += strControlId + " " + strProperty + " " + qcodo.controlModifications[strControlId][strProperty] + "\n";
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qcodo.controlModifications = new Object;
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return strToReturn;
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};
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qcodo.formCheckableControls = function(strForm, strCallType) {
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var objForm = document.getElementById(strForm);
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var strToReturn = "";
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for (var intIndex = 0; intIndex < objForm.elements.length; intIndex++) {
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if (((objForm.elements[intIndex].type == "checkbox") ||
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(objForm.elements[intIndex].type == "radio")) &&
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((strCallType == "Ajax") ||
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(!objForm.elements[intIndex].disabled))) {
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// CheckBoxList
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if (objForm.elements[intIndex].id.indexOf('[') >= 0) {
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if (objForm.elements[intIndex].id.indexOf('[0]') >= 0)
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strToReturn += " " + objForm.elements[intIndex].id.substring(0, objForm.elements[intIndex].id.length - 3);
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// RadioButtonList
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} else if (objForm.elements[intIndex].id.indexOf('_') >= 0) {
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if (objForm.elements[intIndex].id.indexOf('_0') >= 0)
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strToReturn += " " + objForm.elements[intIndex].id.substring(0, objForm.elements[intIndex].id.length - 2);
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// Standard Radio or Checkbox
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} else {
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strToReturn += " " + objForm.elements[intIndex].id;
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};
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};
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};
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if (strToReturn.length > 0)
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return strToReturn.substring(1);
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else
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return "";
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};
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qcodo.ajaxQueue = new Array();
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qcodo.postAjax = function(strForm, strControl, strEvent, strParameter, strWaitIconControlId) {
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// Only add if we're not unloaded
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if (!qc.unloadFlag) {
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if (qc.beforeUnloadFlag) {
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qc.beforeUnloadFlag = false;
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};
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// Figure out if Queue is Empty
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var blnQueueEmpty = false;
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if (qcodo.ajaxQueue.length == 0)
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blnQueueEmpty = true;
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// Enqueue the AJAX Request
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qcodo.ajaxQueue.push(new Array(strForm, strControl, strEvent, strParameter, strWaitIconControlId));
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// If the Queue was originally empty, call the Dequeue
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if (blnQueueEmpty)
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qcodo.dequeueAjaxQueue();
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};
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};
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qcodo.clearAjaxQueue = function() {
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qcodo.ajaxQueue = new Array();
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};
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qcodo.objAjaxWaitIcon = null;
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qcodo.dequeueAjaxQueue = function() {
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if (qcodo.ajaxQueue.length > 0) {
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strForm = this.ajaxQueue[0][0];
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strControl = this.ajaxQueue[0][1];
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strEvent = this.ajaxQueue[0][2];
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strParameter = this.ajaxQueue[0][3];
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strWaitIconControlId = this.ajaxQueue[0][4];
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// Display WaitIcon (if applicable)
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if (strWaitIconControlId) {
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this.objAjaxWaitIcon = this.getWrapper(strWaitIconControlId);
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if (this.objAjaxWaitIcon)
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this.objAjaxWaitIcon.style.display = 'inline';
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};
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var objForm = document.getElementById(strForm);
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objForm.Qform__FormControl.value = strControl;
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objForm.Qform__FormEvent.value = strEvent;
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objForm.Qform__FormParameter.value = strParameter;
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objForm.Qform__FormCallType.value = "Ajax";
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objForm.Qform__FormUpdates.value = qcodo.formUpdates();
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objForm.Qform__FormCheckableControls.value = this.formCheckableControls(strForm, "Ajax");
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var strPostData = "";
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for (var i = 0; i < objForm.elements.length; i++) {
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switch (objForm.elements[i].type) {
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case "checkbox":
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case "radio":
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if (objForm.elements[i].checked) {
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var strTestName = objForm.elements[i].name + "_";
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if (objForm.elements[i].id.substring(0, strTestName.length) == strTestName)
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strPostData += "&" + objForm.elements[i].name + "=" + objForm.elements[i].id.substring(strTestName.length);
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else
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// strPostData += "&" + objForm.elements[i].id + "=" + "1";
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strPostData += "&" + objForm.elements[i].id + "=" + objForm.elements[i].value;
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};
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break;
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case "select-multiple":
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var blnOneSelected = false;
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for (var intIndex = 0; intIndex < objForm.elements[i].options.length; intIndex++)
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if (objForm.elements[i].options[intIndex].selected) {
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strPostData += "&" + objForm.elements[i].name + "=";
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strPostData += objForm.elements[i].options[intIndex].value;
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};
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break;
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default:
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strPostData += "&" + objForm.elements[i].id + "=";
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// For Internationalization -- we must escape the element's value properly
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var strPostValue = objForm.elements[i].value;
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if (strPostValue) {
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strPostValue = strPostValue.replace(/\%/g, "%25");
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strPostValue = strPostValue.replace(/&/g, escape('&'));
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strPostValue = strPostValue.replace(/\+/g, "%2B");
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};
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strPostData += strPostValue;
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break;
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};
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};
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var strUri = objForm.action;
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var objRequest;
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if (window.XMLHttpRequest) {
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objRequest = new XMLHttpRequest();
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} else if (typeof ActiveXObject != "undefined") {
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objRequest = new ActiveXObject("Microsoft.XMLHTTP");
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};
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if (objRequest) {
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objRequest.open("POST", strUri, true);
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objRequest.setRequestHeader("Method", "POST " + strUri + " HTTP/1.1");
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objRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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objRequest.onreadystatechange = function() {
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if (objRequest.readyState == 4) {
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if (!qcodo.beforeUnloadFlag) {
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try {
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var objXmlDoc = objRequest.responseXML;
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// qcodo.logMessage(objRequest.responseText, true);
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// alert('AJAX Response Received');
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if (!objXmlDoc) {
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if(-1 != objRequest.responseText.indexOf('<!-- QCodo Error -->') ){
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var objErrorWindow = window.open('about:blank', 'qcodo_error','menubar=no,toolbar=no,location=no,status=no,scrollbars=yes,resizable=yes,width=1000,height=700,left=50,top=50');
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objErrorWindow.focus();
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objErrorWindow.document.write(objRequest.responseText);
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} else {
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if(objRequest.responseText.length > 0 && -1 == objRequest.responseText.indexOf('Qform__FormId') )
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alert('AJAX Response Error: ' + objRequest.responseText);
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//else
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// alert('AJAX Response Error - XML missing.');
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}
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window.location.href = strUri;
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return;
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} else {
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var intLength = 0;
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// Go through Controls
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var objXmlControls = objXmlDoc.getElementsByTagName('control');
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intLength = objXmlControls.length;
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for (var intIndex = 0; intIndex < intLength; intIndex++) {
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var strControlId = objXmlControls[intIndex].attributes.getNamedItem('id').nodeValue;
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var strControlHtml = "";
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if (objXmlControls[intIndex].textContent)
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strControlHtml = objXmlControls[intIndex].textContent;
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else if (objXmlControls[intIndex].firstChild)
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strControlHtml = objXmlControls[intIndex].firstChild.nodeValue;
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// Perform Callback Responsibility
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if (strControlId == "Qform__FormState") {
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var objFormState = document.getElementById(strControlId);
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objFormState.value = strControlHtml;
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} else {
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var objSpan = document.getElementById(strControlId + "_ctl");
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if (objSpan)
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objSpan.innerHTML = strControlHtml;
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};
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};
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// Go through Commands
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var objXmlCommands = objXmlDoc.getElementsByTagName('command');
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intLength = objXmlCommands.length;
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for (var intIndex = 0; intIndex < intLength; intIndex++) {
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if (objXmlCommands[intIndex] && objXmlCommands[intIndex].firstChild) {
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var strCommand = "";
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intChildLength = objXmlCommands[intIndex].childNodes.length;
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for (var intChildIndex = 0; intChildIndex < intChildLength; intChildIndex++)
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strCommand += objXmlCommands[intIndex].childNodes[intChildIndex].nodeValue;
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eval(strCommand);
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};
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};
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};
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} catch (objExc) {
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alert(objExc.message + "\r\non line number " + objExc.lineNumber + "\r\nin file " + objExc.fileName);
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alert("An error occurred during AJAX Response handling.\r\n\r\nThe error response will appear in a new popup.");
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var objErrorWindow = window.open('about:blank', 'qcodo_error','menubar=no,toolbar=no,location=no,status=no,scrollbars=yes,resizable=yes,width=1000,height=700,left=50,top=50');
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objErrorWindow.focus();
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objErrorWindow.document.write(objRequest.responseText);
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return;
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};
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};
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// Perform the Dequeue
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qcodo.ajaxQueue.shift();
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// Hid the WaitIcon (if applicable)
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if (qcodo.objAjaxWaitIcon)
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qcodo.objAjaxWaitIcon.style.display = 'none';
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// If there are still AjaxEvents in the queue, go ahead and process/dequeue them
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if (qcodo.ajaxQueue.length > 0)
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qcodo.dequeueAjaxQueue();
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};
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};
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objRequest.send(strPostData);
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};
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};
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};
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//////////////////
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// Qcodo Shortcuts
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//////////////////
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qc.pB = qcodo.postBack;
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qc.pA = qcodo.postAjax;
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