/**
 * Ajax Queue Plugin
 * 
 * Homepage: http://jquery.com/plugins/project/ajaxqueue
 * Documentation: http://docs.jquery.com/AjaxQueue
 */
/**
<script>
$(function(){
jQuery.ajaxQueue({
url: "test.php",
success: function(html){ jQuery("ul").append(html); }
});
jQuery.ajaxQueue({
url: "test.php",
success: function(html){ jQuery("ul").append(html); }
});
jQuery.ajaxSync({
url: "test.php",
success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
});
jQuery.ajaxSync({
url: "test.php",
success: function(html){ jQuery("ul").append("<b>"+html+"</b>"); }
});
});
</script>
<ul style="position: absolute; top: 5px; right: 5px;"></ul>
 */
/*
 * Queued Ajax requests.
 * A new Ajax request won't be started until the previous queued 
 * request has finished.
 */
/*
 * Synced Ajax requests.
 * The Ajax request will happen as soon as you call this method, but
 * the callbacks (success/error/complete) won't fire until all previous
 * synced requests have been completed.
 */
;(function($) {
var ajax = $.ajax;
var pendingRequests = {};
var synced = [];
var syncedData = [];
$.ajax = function(settings) {
// create settings for compatibility with ajaxSetup
settings = jQuery.extend(settings, jQuery.extend({}, jQuery.ajaxSettings, settings));
var port = settings.port;
switch(settings.mode) {
case "abort": 
if ( pendingRequests[port] ) {
pendingRequests[port].abort();
}
/* Reiche started hacking /
window.setTimeout(function() {
pendingRequests[port] = ajax.apply(this, arguments);
}, 50 );
return 1;
/ Reiche ends hacking */
return pendingRequests[port] = ajax.apply(this, arguments);
case "queue": 
var _old = settings.complete;
settings.complete = function(){
if ( _old )
_old.apply( this, arguments );
jQuery([ajax]).dequeue("ajax" + port );;
};
jQuery([ ajax ]).queue("ajax" + port, function(){
ajax( settings );
});
return undefined;
case "sync":
var pos = synced.length;
synced[ pos ] = {
error: settings.error,
success: settings.success,
complete: settings.complete,
done: false
};
syncedData[ pos ] = {
error: [],
success: [],
complete: []
};
settings.error = function(){ syncedData[ pos ].error = arguments; };
settings.success = function(){ syncedData[ pos ].success = arguments; };
settings.complete = function(){
syncedData[ pos ].complete = arguments;
synced[ pos ].done = true;
if ( pos == 0 || !synced[ pos-1 ] )
for ( var i = pos; i < synced.length && synced[i].done; i++ ) {
if ( synced[i].error ) synced[i].error.apply( jQuery, syncedData[i].error );
if ( synced[i].success ) synced[i].success.apply( jQuery, syncedData[i].success );
if ( synced[i].complete ) synced[i].complete.apply( jQuery, syncedData[i].complete );
synced[i] = null;
syncedData[i] = null;
}
};
}
return ajax.apply(this, arguments);
};
})(jQuery);