add: if ( jQuery.isFunction( data ) ) { callback = data; data = {}; }  
context: 	post: function( url, data, callback, type ) {		return jQuery.ajax({			type: "POST",			url: url,			data: data,			success: callback,			dataType: type		});	},
meta: 2798	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2798/c39d1a21c61982baf511f6455047f7f055b228da/ajax.js/buggy/src/ajax/ajax.js