ÿþ//DECLARE AJAX OBJECT HERE

var ajaxResponse=null;



function AjaxResponse(nextUrl, returnHtml){

    this.nextUrl=nextUrl;

    this.returnHtml=returnHtml;

}



//END AJAX OBJECT HERE



function getXmlHttpObject(handler)

{ 

    var objXMLHttp=null;

    if (window.XMLHttpRequest)

    {

        objXMLHttp=new XMLHttpRequest();

    }

    else if (window.ActiveXObject)

    {

        objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");

    }

    return objXMLHttp;

} 



var xmlRequest=getXmlHttpObject();

if (xmlRequest==null)

{

    alert ("Browser does not support HTTP Request");

}



var nextFunctionName='';

var returnMsg='';

var execFunctionWhenUrlExist='';

var execFunctionWhenUrlNotExist='';



function formPostXmlRequest(callbackType, functionName){

	var params='txtCallbackType=' + callbackType;

	var c=null;

	

    for(i=0;i<frmMain.length;i++){

        c=frmMain[i];

        if (c.id.startsWith('txt')) {

            var txtValue = c.value.trim();

            if (txtValue != '') {

                txtValue = txtValue.replace(/(\r\n|\n|\r)/gm, '\r\n');

            }

            params += '&' + c.id + '=' + postBackEncode(txtValue);

        }

        

        if(c.id.startsWith('lst')){

            params+='&' + c.id + '=';

            if (c.options.length > 0 && c.selectedIndex>-1) {

                params+=c.options[c.selectedIndex].value;

            }

        }

        

        if(c.id.startsWith('chk')){

            params+='&' + c.id + '=' + c.checked;

        }

    }

    

//    alert(params);

    postXmlRequest(params, functionName);

}



function postXmlRequest(params, functionName){

    var url='';

    returnMsg='';

    if(self.location.href.indexOf('?')>-1){

	    url=self.location.href + '&callback=true';

	}

	else{

	    url=self.location.href + '?callback=true';

	}

    

    url=url.replace('#?', '?');

    url=url.replace('#&', '&');

    



	xmlRequest.open("POST", url, true);			

	xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

	xmlRequest.onreadystatechange=asynUpdate;

	nextFunctionName=functionName;

	xmlRequest.setRequestHeader("Referer",url);

   	xmlRequest.send(params);

    

}



function postRemoteXmlRequest(remoteUrl, params, nextFunctionName){

//    showLoading('
ANG Xì LÝ, XIN CHÜ TRONG GIÂY LÁT...');

	xmlRequest.open("POST", remoteUrl, true);			

	xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

	xmlRequest.setRequestHeader("Referer",remoteUrl);

	xmlRequest.onreadystatechange=nextFunctionName;

	xmlRequest.setRequestHeader("Referer",remoteUrl);

	xmlRequest.send(params);

    

}



function getRemoteXmlRequest(url, defaultFunction, altFunction){

    //showLoading('
ANG Xì LÝ, XIN CHÜ TRONG GIÂY LÁT...');

    returnMsg='';

	xmlRequest.open("GET", url, true);			

	xmlRequest.onreadystatechange=getRemoteXmlRequestResult;

    execFunctionWhenUrlExist=defaultFunction;

    execFunctionWhenUrlNotExist=altFunction;

    xmlRequest.setRequestHeader("Referer",url);

	xmlRequest.send(null);

}



function getRemoteXmlRequestResult(){

	if (xmlRequest.readyState == 4){

	    if(xmlRequest.status == 200){

            eval(execFunctionWhenUrlExist);

        }

        else{

            eval(execFunctionWhenUrlNotExist);

        }

	}

}



function asynUpdate(){

	if (xmlRequest.readyState == 4 && xmlRequest.status == 200){

	    var responseText = xmlRequest.responseText;

	    if (responseText.indexOf('###ERROR###')>-1) {

	        showError(responseText);

            

        }else{



	        if(responseText.indexOf('error.aspx?errorID=')>-1){

	            self.location.href=responseText;

	        }

            else if(responseText.split('|').length==2){

                var nextUrl=xmlRequest.responseText.split('|')[0].trim();

                var returnHtml=xmlRequest.responseText.split('|')[1].trim();

                ajaxResponse=new AjaxResponse(nextUrl, returnHtml);

            

                if(nextFunctionName.length>0){

			        eval(nextFunctionName)

                }

            }

            else{

                alert('Invalid response!\n' + xmlRequest.responseText);

            }

        }



        hideLoading();

	}

}



function showError(responseText)

{

    var errorArray = responseText.replace('###ERROR###', '').split('###');

    var errorMsg = '';



//    alert(errorArray[0]);

//    alert(errorArray[1]);

//    alert(errorArray[2]);



    switch (errorArray.length) {

        case 3:

            errorMsg = errorArray[1] + '\n-------------------------------------------------------------------------------\n' + errorArray[2];

            errorMsg += '\n\n-------------------------------------------------------------------------------\nError Code: ' + errorArray[0];

            alert(errorMsg);

            break;



        case 4:

            errorMsg = errorArray[1] + '\n-------------------------------------------------------------------------------\n' + errorArray[2];

            errorMsg += '\n\n-------------------------------------------------------------------------------\nError Code: ' + errorArray[0];



            var objID = errorArray[3];



            var obj = document.getElementById(objID);

            if (obj != null && obj.disabled == false) {

                var type = document.getElementById(objID).getAttribute('type');

                if (type == 'text' || type == 'password' || type == 'checkbox' || type == 'select') {

                    obj.focus();

                }

            }

            alert(errorMsg);

            break;



        default:

            alert(responseText);

            break;

    }

}