// A plugin that wraps all ajax calls introducing a fixed callback function on ajax complete

var load_handlers = new Array();
//
// Add a function to the list of those to be executed on ajax load complete
//
function onAjaxLoad(f) {
	load_handlers.push(f);
};

//
// Call the functions that have been added to onAjaxLoad
//
function triggerAjaxLoad(root) {
	for ( var i = 0; i < load_handlers.length; i++ )
	load_handlers[i].apply( root );
};

jQuery.fn._load = jQuery.fn.load;

jQuery.fn.load = function( url, params, callback, ifModified ) {

	callback = callback || function(){};

	// If the second parameter was provided
	if ( params ) {
		// If it's a function
		if ( params.constructor == Function ) {
			// We assume that it's the callback
			callback = params;
			params = null;
		} 
	}
	var callback2 = function(res,status) {triggerAjaxLoad(this);callback(res,status);};
	
	return this._load( url, params, callback2, ifModified );
};


jQuery._ajax = jQuery.ajax;

jQuery.ajax = function( type, url, data, ret, ifModified ) {
  
  //If called by _load exit now because the callback has already been set
  if (jQuery.ajax.caller==jQuery.fn._load) return jQuery._ajax( type, url, data, ret, ifModified );
  // If only a single argument was passed in,
	// assume that it is a object of key/value pairs
	if ( !url ) {
		var orig_complete = type.complete || function() {}; 
    type.complete = function(res,status) {triggerAjaxLoad(document);orig_complete(res,status);};
	} else {
		var orig_ret = ret || function() {};
    ret = function(res,status) {triggerAjaxLoad(document);orig_ret(res,status);};  
  }

  return jQuery._ajax( type, url, data, ret, ifModified ); 

};