// JavaScript Document



// ===================================================================



// Author: Matt Kruse <matt@ajaxtoolbox.com>



// WWW: http://www.AjaxToolbox.com/



//



// NOTICE: You may use this code for any purpose, commercial or



// private, without any further permission from the author. You may



// remove this notice from your final code if you wish, however it is



// appreciated by the author if at least my web site address is kept.



//



// You may *NOT* re-distribute this code in any way except through its



// use. That means, you can include it in your product, or your web



// site, or any other form where the code is actually being used. You



// may not put the plain javascript up on your site for download or



// include it in your javascript libFraries for download. 



// If you wish to share this code with others, please just point them



// to the URL instead.



// Please DO NOT link directly to my .js files from your site. Copy



// the files to your server and use them there. Thank you.



// ===================================================================







function AjaxRequest(){var req =new Object();



req.timeout =null;



req.generateUniqueUrl =true;



req.url =window.location.href;



req.method ="GET";



req.async =true;



req.username =null;



req.password =null;



req.parameters =new Object();



req.requestIndex =AjaxRequest.numAjaxRequests++;



req.responseReceived =false;



req.groupName =null;



req.queryString ="";



req.responseText =null;



req.responseXML =null;



req.status =null;



req.statusText =null;



req.aborted =false;



req.xmlHttpRequest =null;



req.onTimeout=null;



req.onLoading=null;



req.onLoaded=null;



req.onInteractive=null;



req.onComplete=null;



req.onSuccess=null;



req.onError=null;



req.onGroupBegin=null;



req.onGroupEnd=null;



req.xmlHttpRequest =AjaxRequest.getXmlHttpRequest();



if(req.xmlHttpRequest==null){return null;}req.xmlHttpRequest.onreadystatechange =



function(){if(req==null || req.xmlHttpRequest==null){return;}if(req.xmlHttpRequest.readyState==1){req.onLoadingInternal(req);}if(req.xmlHttpRequest.readyState==2){req.onLoadedInternal(req);}if(req.xmlHttpRequest.readyState==3){req.onInteractiveInternal(req);}if(req.xmlHttpRequest.readyState==4){req.onCompleteInternal(req);}};



req.onLoadingInternalHandled=false;



req.onLoadedInternalHandled=false;



req.onInteractiveInternalHandled=false;



req.onCompleteInternalHandled=false;



req.onLoadingInternal=



function(){if(req.onLoadingInternalHandled){return;}AjaxRequest.numActiveAjaxRequests++;



if(AjaxRequest.numActiveAjaxRequests==1 && typeof(window['AjaxRequestBegin'])=="function"){AjaxRequestBegin();}if(req.groupName!=null){if(typeof(AjaxRequest.numActiveAjaxGroupRequests[req.groupName])=="undefined"){AjaxRequest.numActiveAjaxGroupRequests[req.groupName] =0;}AjaxRequest.numActiveAjaxGroupRequests[req.groupName]++;



if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==1 && typeof(req.onGroupBegin)=="function"){req.onGroupBegin(req.groupName);}}if(typeof(req.onLoading)=="function"){req.onLoading(req);}req.onLoadingInternalHandled=true;};



req.onLoadedInternal=



function(){if(req.onLoadedInternalHandled){return;}if(typeof(req.onLoaded)=="function"){req.onLoaded(req);}req.onLoadedInternalHandled=true;};



req.onInteractiveInternal=



function(){if(req.onInteractiveInternalHandled){return;}if(typeof(req.onInteractive)=="function"){req.onInteractive(req);}req.onInteractiveInternalHandled=true;};



req.onCompleteInternal=



function(){if(req.onCompleteInternalHandled || req.aborted){return;}req.onCompleteInternalHandled=true;



AjaxRequest.numActiveAjaxRequests--;



if(AjaxRequest.numActiveAjaxRequests==0 && typeof(window['AjaxRequestEnd'])=="function"){AjaxRequestEnd(req.groupName);}if(req.groupName!=null){AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;



if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0 && typeof(req.onGroupEnd)=="function"){req.onGroupEnd(req.groupName);}}req.responseReceived =true;



req.status =req.xmlHttpRequest.status;



req.statusText =req.xmlHttpRequest.statusText;



req.responseText =req.xmlHttpRequest.responseText;







req.responseXML =req.xmlHttpRequest.responseXML;



if(typeof(req.onComplete)=="function"){req.onComplete(req);}if(req.xmlHttpRequest.status==200 && typeof(req.onSuccess)=="function"){req.onSuccess(req);}else if(typeof(req.onError)=="function"){req.onError(req);}delete req.xmlHttpRequest['onreadystatechange'];



req.xmlHttpRequest =null;};



req.onTimeoutInternal=



function(){if(req!=null && req.xmlHttpRequest!=null && !req.onCompleteInternalHandled){req.aborted =true;



req.xmlHttpRequest.abort();



AjaxRequest.numActiveAjaxRequests--;



if(AjaxRequest.numActiveAjaxRequests==0 && typeof(window['AjaxRequestEnd'])=="function"){AjaxRequestEnd(req.groupName);}if(req.groupName!=null){AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;



if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0 && typeof(req.onGroupEnd)=="function"){req.onGroupEnd(req.groupName);}}if(typeof(req.onTimeout)=="function"){req.onTimeout(req);}delete req.xmlHttpRequest['onreadystatechange'];



req.xmlHttpRequest =null;}};



req.process =



function()

{

	if(req.xmlHttpRequest!=null)

	{

		if(req.generateUniqueUrl && req.method=="GET")

		{

			req.parameters["AjaxRequestUniqueId"] = new Date().getTime() + "" + req.requestIndex;

		}

		var content =null;



		for(var i in req.parameters)

		{

			if(req.queryString.length>0)

			{

				req.queryString +="&";

			}

			req.queryString +=encodeURIComponent(i) + "=" + encodeURIComponent(req.parameters[i]);

		}

		

		if(req.method=="GET")

		{

			if(req.queryString.length>0)

			{

				req.url +=((req.url.indexOf("?")>-1)?"&":"?") + req.queryString;

			}

		}

		//---> Refs #749. Change the logic and seperate the query string into post value for making maximum character length unlimited

		if(req.method=="POST")

		{

			if(req.url.indexOf("?") > -1)

			{

				var arr_action = req.url.split("?");

			

				if(arr_action[0] != "" && arr_action[1] != "")

				{

					req.url = arr_action[0];

					req.queryString = arr_action[1];

				}

			}

		}

		

		req.xmlHttpRequest.open(req.method,req.url,req.async,req.username,req.password);

		

		if(req.method=="POST")

		{

			if(typeof(req.xmlHttpRequest.setRequestHeader)!="undefined")

			{

				req.xmlHttpRequest.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

			}

			

			content = req.queryString;

		}

		

		if(req.timeout>0)

		{

			setTimeout(req.onTimeoutInternal,req.timeout);

		}

		req.xmlHttpRequest.send(content);

	}

};



req.handleArguments =



function(args){for(var i in args){if(typeof(req[i])=="undefined"){req.parameters[i] =args[i];}else{req[i] =args[i];}}};



req.getAllResponseHeaders =



function(){if(req.xmlHttpRequest!=null){if(req.responseReceived){return req.xmlHttpRequest.getAllResponseHeaders();}alert("Cannot getAllResponseHeaders because a response has not yet been received");}};



req.getResponseHeader =



function(headerName){if(req.xmlHttpRequest!=null){if(req.responseReceived){return req.xmlHttpRequest.getResponseHeader(headerName);}alert("Cannot getResponseHeader because a response has not yet been received");}};



return req;}AjaxRequest.getXmlHttpRequest =function(){if(window.XMLHttpRequest){return new XMLHttpRequest();}else if(window.ActiveXObject){/*@cc_on @*/



/*@if(@_jscript_version >=5)



try{return new ActiveXObject("Msxml2.XMLHTTP");}catch(e){try{return new ActiveXObject("Microsoft.XMLHTTP");}catch(E){return null;}}@end @*/}else{return null;}};



AjaxRequest.isActive =function(){return(AjaxRequest.numActiveAjaxRequests>0);};



AjaxRequest.get =function(args){AjaxRequest.doRequest("GET",args);};



AjaxRequest.post =function(args){AjaxRequest.doRequest("POST",args);};



AjaxRequest.doRequest =function(method,args){if(typeof(args)!="undefined" && args!=null){var myRequest =new AjaxRequest();



myRequest.method =method;



myRequest.handleArguments(args);



myRequest.process();}};



AjaxRequest.submit =function(theform, args){var myRequest =new AjaxRequest();



if(myRequest==null){return false;}var serializedForm =AjaxRequest.serializeForm(theform);



myRequest.method =theform.method.toUpperCase();



myRequest.url =theform.action;



myRequest.handleArguments(args);



myRequest.queryString =serializedForm;



myRequest.process();



return true;};



AjaxRequest.serializeForm =function(theform){var els =theform.elements;



var len =els.length;



var queryString ="";



this.addField =



function(name,value){if(queryString.length>0){queryString +="&";}queryString +=encodeURIComponent(name) + "=" + encodeURIComponent(value);};



for(var i=0;i<len;i++){var el =els[i];



if(!el.disabled){switch(el.type){case 'text': case 'password': case 'hidden': case 'textarea':



this.addField(el.name,el.value);



break;



case 'select-one':



if(el.selectedIndex>=0){this.addField(el.name,el.options[el.selectedIndex].value);}break;



case 'select-multiple':



for(var j=0;j<el.options.length;j++){if(el.options[j].selected){this.addField(el.name,el.options[j].value);}}break;



case 'checkbox': case 'radio':



if(el.checked){this.addField(el.name,el.value);}break;}}}return queryString;};



AjaxRequest.numActiveAjaxRequests =0;



AjaxRequest.numActiveAjaxGroupRequests =new Object();



AjaxRequest.numAjaxRequests =0;// -- Standard functions