/* xajax Javascript library :: version 0.2.5 */
function Xajax()
{
this.arrayContainsValue = function(array, valueToCheck)
{
for (i in array) {
if (array[i] == valueToCheck) return true;
}
return false;
};
this.DebugMessage = function(text)
{
if (text.length > 1000) text = text.substr(0,1000)+"...\n[long response]\n...";
try {
if (this.debugWindow == undefined || this.debugWindow.closed == true) {
this.debugWindow = window.open('about:blank', 'xajax-debug', 'width=800,height=600,scrollbars=1,resizable,status');
this.debugWindow.document.write('Xajax debug outputXajax debug output
');
}
debugTag = this.debugWindow.document.getElementById('debugTag');
if (!debugTag)
throw new Error();
text = text.replace(/&/g, "&");
text = text.replace(//g, ">");
debugTag.innerHTML = (''+(new Date()).toString()+': ' + text + '
') + debugTag.innerHTML;
} catch (e) {
alert("Xajax Debug:\n " + text);
}
};
this.workId = 'xajaxWork'+ new Date().getTime();
this.depth = 0;
this.responseErrorsForAlert = ["400","401","402","403","404","500","501","502","503"];
//Get the XMLHttpRequest Object
this.getRequestObject = function()
{
if (xajaxDebug) this.DebugMessage("Initializing Request Object..");
var req = null;
if (typeof XMLHttpRequest != "undefined")
req = new XMLHttpRequest();
if (!req && typeof ActiveXObject != "undefined")
{
try
{
req=new ActiveXObject("Msxml2.XMLHTTP");
XMLHttpRequest = function(){return new ActiveXObject("Msxml2.XMLHTTP");}
}
catch (e)
{
try
{
req=new ActiveXObject("Microsoft.XMLHTTP");
XMLHttpRequest = function(){return new ActiveXObject("Microsoft.XMLHTTP");}
}
catch (e2)
{
try {
req=new ActiveXObject("Msxml2.XMLHTTP.4.0");
XMLHttpRequest = function(){return new ActiveXObject("Msxml2.XMLHTTP.4.0");}
}
catch (e3)
{
req=null;
}
}
}
}
if(!req && window.createRequest)
req = window.createRequest();
if (!req) this.DebugMessage("Request Object Instantiation failed.");
return req;
}
// xajax.$() is shorthand for document.getElementById()
this.$ = function(sId)
{
if (!sId) {
return null;
}
var returnObj = document.getElementById(sId);
if (!returnObj && document.all) {
returnObj = document.all[sId];
}
if (xajaxDebug && !returnObj && sId != this.workId) {
this.DebugMessage("Element with the id \"" + sId + "\" not found.");
}
return returnObj;
}
// xajax.include(sFileName) dynamically includes an external javascript file
this.include = function(sFileName)
{
var objHead = document.getElementsByTagName('head');
var objScript = document.createElement('script');
objScript.type = 'text/javascript';
objScript.src = sFileName;
objHead[0].appendChild(objScript);
}
this.stripOnPrefix = function(sEventName)
{
sEventName = sEventName.toLowerCase();
if (sEventName.indexOf('on') == 0)
{
sEventName = sEventName.replace(/on/,'');
}
return sEventName;
}
this.addOnPrefix = function(sEventName)
{
sEventName = sEventName.toLowerCase();
if (sEventName.indexOf('on') != 0)
{
sEventName = 'on' + sEventName;
}
return sEventName;
}
// xajax.addHandler adds an event handler to an element
this.addHandler = function(sElementId, sEvent, sFunctionName)
{
if (window.addEventListener)
{
sEvent = this.stripOnPrefix(sEvent);
eval("this.$('"+sElementId+"').addEventListener('"+sEvent+"',"+sFunctionName+",false);");
}
else if (window.attachEvent)
{
sAltEvent = this.addOnPrefix(sEvent);
if (eval("this.$('"+sElementId+"').attachEvent('"+sAltEvent+"',"+sFunctionName+");"))
window.attachEvent('onunload',
eval("function(){xajax.$('"+sElementId+"').detachEvent('"+sAltEvent+"',"+sFunctionName+");}"));
}
else
{
sAltEvent = this.addOnPrefix(sEvent);
eval("this.$('"+sElementId+"')."+sAltEvent+" = "+sFunctionName);
}
}
// xajax.removeHandler removes an event handler from an element
this.removeHandler = function(sElementId, sEvent, sFunctionName)
{
if (window.removeEventListener)
{
sEvent = this.stripOnPrefix(sEvent);
eval("this.$('"+sElementId+"').removeEventListener('"+sEvent+"',"+sFunctionName+",false);");
}
else if (window.detachEvent)
{
sAltEvent = this.addOnPrefix(sEvent);
try {
eval("this.$('"+sElementId+"').detachEvent('"+sAltEvent+"',"+sFunctionName+");");
} catch (ignore) {}
}
else
{
sAltEvent = this.addOnPrefix(sEvent);
eval("this.$('"+sElementId+"')."+sAltEvent+" = null");
}
}
// xajax.create creates a new child node under a parent
this.create = function(sParentId, sTag, sId)
{
var objParent = this.$(sParentId);
objElement = document.createElement(sTag);
objElement.setAttribute('id',sId);
if (objParent)
objParent.appendChild(objElement);
}
// xajax.insert inserts a new node before another node
this.insert = function(sBeforeId, sTag, sId)
{
var objSibling = this.$(sBeforeId);
objElement = document.createElement(sTag);
objElement.setAttribute('id',sId);
objSibling.parentNode.insertBefore(objElement, objSibling);
}
// xajax.insertAfter inserts a new node after another node
this.insertAfter = function(sAfterId, sTag, sId)
{
var objSibling = this.$(sAfterId);
objElement = document.createElement(sTag);
objElement.setAttribute('id',sId);
objSibling.parentNode.insertBefore(objElement, objSibling.nextSibling);
}
this.getInput = function(sType, sName, sId)
{
var Obj;
if (!window.addEventListener)
{
Obj = document.createElement('');
}
else
{
Obj = document.createElement('input');
Obj.setAttribute('type',sType);
Obj.setAttribute('name',sName);
Obj.setAttribute('id',sId);
}
return Obj;
}
// xajax.createInput creates a new input node under a parent
this.createInput = function(sParentId, sType, sName, sId)
{
var objParent = this.$(sParentId);
var objElement = this.getInput(sType, sName, sId);
if (objParent && objElement)
objParent.appendChild(objElement);
}
// xajax.insertInput creates a new input node before another node
this.insertInput = function(sBeforeId, sType, sName, sId)
{
var objSibling = this.$(sBeforeId);
var objElement = this.getInput(sType, sName, sId);
if (objElement && objSibling && objSibling.parentNode)
objSibling.parentNode.insertBefore(objElement, objSibling);
}
// xajax.insertInputAfter creates a new input node after another node
this.insertInputAfter = function(sAfterId, sType, sName, sId)
{
var objSibling = this.$(sAfterId);
var objElement = this.getInput(sType, sName, sId);
if (objElement && objSibling && objSibling.parentNode) {
objSibling.parentNode.insertBefore(objElement, objSibling.nextSibling);
}
}
// xajax.remove deletes an element
this.remove = function(sId)
{
objElement = this.$(sId);
if (objElement && objElement.parentNode && objElement.parentNode.removeChild)
{
objElement.parentNode.removeChild(objElement);
}
}
//xajax.replace searches for text in an attribute of an element and replaces it
//with a different text
this.replace = function(sId,sAttribute,sSearch,sReplace)
{
var bFunction = false;
if (sAttribute == "innerHTML")
sSearch = this.getBrowserHTML(sSearch);
eval("var txt=this.$('"+sId+"')."+sAttribute);
if (typeof txt == "function")
{
txt = txt.toString();
bFunction = true;
}
if (txt.indexOf(sSearch)>-1)
{
var newTxt = '';
while (txt.indexOf(sSearch) > -1)
{
x = txt.indexOf(sSearch)+sSearch.length+1;
newTxt += txt.substr(0,x).replace(sSearch,sReplace);
txt = txt.substr(x,txt.length-x);
}
newTxt += txt;
if (bFunction)
{
eval('this.$("'+sId+'").'+sAttribute+'=newTxt;');
}
else if (this.willChange(sId,sAttribute,newTxt))
{
eval('this.$("'+sId+'").'+sAttribute+'=newTxt;');
}
}
}
// xajax.getFormValues() builds a query string XML message from the elements of a form object
// * The first argument is the id of the form
// * The second argument (optional) can be set to true if you want to submit disabled elements
// * The third argument (optional) allows you to specify a string prefix that a form element
// name must contain if you want that element to be submitted
this.getFormValues = function(frm)
{
var objForm;
var submitDisabledElements = false;
if (arguments.length > 1 && arguments[1] == true)
submitDisabledElements = true;
var prefix="";
if(arguments.length > 2)
prefix = arguments[2];
if (typeof(frm) == "string")
objForm = this.$(frm);
else
objForm = frm;
var sXml = "";
if (objForm && objForm.tagName.toUpperCase() == 'FORM')
{
var formElements = objForm.elements;
for( var i=0; i < formElements.length; i++)
{
if (!formElements[i].name)
continue;
if (formElements[i].name.substring(0, prefix.length) != prefix)
continue;
if (formElements[i].type && (formElements[i].type == 'radio' || formElements[i].type == 'checkbox') && formElements[i].checked == false)
continue;
if (formElements[i].disabled && formElements[i].disabled == true && submitDisabledElements == false)
continue;
var name = formElements[i].name;
if (name)
{
if (sXml != '')
sXml += '&';
if(formElements[i].type=='select-multiple')
{
for (var j = 0; j < formElements[i].length; j++)
{
if (formElements[i].options[j].selected == true)
sXml += name+"="+encodeURIComponent(formElements[i].options[j].value)+"&";
}
}
else
{
sXml += name+"="+encodeURIComponent(formElements[i].value);
}
}
}
}
sXml +="
";
return sXml;
}
// Generates an XML message that xajax can understand from a javascript object
this.objectToXML = function(obj)
{
var sXml = "";
for (i in obj)
{
try
{
if (i == 'constructor')
continue;
if (obj[i] && typeof(obj[i]) == 'function')
continue;
var key = i;
var value = obj[i];
if (value && typeof(value)=="object" && this.depth <= 50)
{
this.depth++;
value = this.objectToXML(value);
this.depth--;
}
sXml += ""+key+""+value+"";
}
catch(e)
{
if (xajaxDebug) this.DebugMessage(e.name+": "+e.message);
}
}
sXml += "";
return sXml;
}
// unserializes data structure from xajaxResponse::_buildObjXml()
this._nodeToObject = function(node) {
if (!node)
return '';
// parentNode here is weird, have to tune
if (node.nodeName == '#cdata-section' || node.nodeName == '#text') {
var data = "";
for (var j=0; j"+document.getElementsByTagName("HTML")[0].innerHTML+"