var enableDebugging = false;
var isNonBlocking = true;
var ajaxDebugging = false;
function getHTTPObject()
{
var xmlhttp;
/*@cc_on
@if (@_jscript_version >= 5)
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
xmlhttp = false;
}
}
@else
xmlhttp = false;
@end @*/
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
try {
xmlhttp = new XMLHttpRequest();
} catch (e) {
xmlhttp = false;
}
}
return xmlhttp;
}
function ajaxCall(func, param, handler, isASync, withForm)
{
if( ajaxDebugging ) showDebug( );
ajaxDebug( 'Getting HTTP Object' );
var ajaxHTTP = getHTTPObject( );
ajaxDebug( 'Opening connection to the server' );
ajaxDebug( 'Invoking AJAX__' + escape(func) + ', with params ' + escape(param) );
if( withForm )
{
ajaxHTTP.open( 'POST', 'page-ajaxform.aspx', isASync );
ajaxHTTP.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8' );
}
else
{
var finalurl = '/page-ajax.aspx?func=' + escape(func) + '¶ms=' + escape(param)
ajaxDebug( finalurl );
ajaxHTTP.open( 'GET', finalurl, isASync );
}
if( isASync )
{
ajaxHTTP.onreadystatechange = function( )
{
switch( ajaxHTTP.readyState )
{
case 0:
ajaxDebug( 'HTTP Uni-Initialized' );
break;
case 1:
ajaxDebug( 'HTTP Loading' );
break;
case 2:
ajaxDebug( 'HTTP Loaded' );
break;
case 3:
ajaxDebug( 'HTTP Interactive' );
break
case 4:
ajaxDebug( 'HTTP Complete' );
handleHTTPResponse( ajaxHTTP, handler );
break;
}
}
}
ajaxDebug( 'Sending HTTP' );
if( withForm ) {
ajaxHTTP.send( 'func=' + escape(func) + '¶ms=' + escape(param) );
} else {
ajaxHTTP.send( null );
}
if( !isASync )
{
switch( ajaxHTTP.status )
{
case 200:
handleHTTPResponse( ajaxHTTP, handler );
break;
default:
ajaxDebug( "Response: " + ajaxHTTP.status );
handleHTTPResponse( ajaxHTTP, handler );
}
}
}
function handleHTTPResponse( HTTPObj, handler )
{
var responseText = '';
ajaxDebug( 'Response Status is ' + HTTPObj.status );
if( HTTPObj.status == 200 ) responseText = HTTPObj.responseText;
ajaxDebug( 'Response Received: ' + responseText );
// Call the handler function
if( handler ) handler( responseText );
}
// Used for debugging...
function ajaxDebug( info )
{
if( ajaxDebugging ) debug( 'AJAX: ' + info + '...' );
}
// Show the debug window
function showDebug( )
{
window.top.debugWindow =
window.open( "",
"Debug",
"left=0,top=0,width=600,height=700,scrollbars=yes,"
+"status=yes,resizable=yes" );
window.top.debugWindow.opener = self;
// open the document for writing
window.top.debugWindow.document.open( );
window.top.debugWindow.document.write( "JS Debug Window\n" );
}
function serializeDataForTransport(form)
{
if( !form ) return '';
var content = '';
for(i=0; i < form.elements.length; i++ )
{
var id = '';
if( form.elements[i].id )
id = form.elements[i].id;
else if( form.elements[i].name )
id = form.elements[i].name;
else if( form.elements[i].ID )
id = form.elements[i].ID;
if( id != '' ) content += (content==''?'':'&') + escape(id) + '=' + escape(form.elements[i].value);
}
return content;
}
// If the debug window exists, then write to it
function debug( text )
{
if( window.top.debugWindow && !window.top.debugWindow.closed )
{
window.top.debugWindow.document.write( text + "\n" );
}
}
// If the debug window exists, then close it
function hideDebug( )
{
if( window.top.debugWindow && !window.top.debugWindow.closed )
{
window.top.debugWindow.close( );
window.top.debugWindow = null;
}
}
function registerForFunction( funcName, params, handler ){
var js;
ajaxDebugging = enableDebugging;
//alert(handler);
ajaxCall( funcName, params, handler, isNonBlocking ? true : false, false);
//ajaxCall( funcName, '', handler, isNonBlocking ? true : false, false);
}