(function ($){ 
function IllegalArgumentException(msg){ 
this.msg = msg; 
} 
function UndefinedException(msg){ 
this.msg = msg; 
} 
$.fn.filter = function (options){ 
if (typeof currentPage == 'undefined') { 
throw new UndefinedException("the variable 'currentPage' MUST be defined in the same scope of this plugin")
} 
var defaults = { 
url: null ,
dataType: "json",
table: null ,
buildEntries: null ,
queryParam: 'q',
pageParam: "page",
before: null ,
after: null }
; 
options = $.extend(defaults, options); 
if (_AN_Read_url("url", options) == null ) { 
_AN_Write_url("url", options, false , $(this).attr('data-url')); 
} 
if (options.table == null ) { 
options.table = $(this).attr('data-table'); 
} 
var notNull = { 
url: "no specified URL to filter resources from",
dataType: "no sepcified dataType to parse resources to",
table: "no specified element selector to populate filtered resources with",
buildEntries: "no specified function to build HTML from returned data with",
queryParam: "no specfied parameter name for a query string to filter resources with",
pageParam: "no specified parameter name for a page number to paginate data with"}
; 
for (var key in notNull){ 
if (defaults[key] == null ) { 
throw new IllegalArgumentException(notNull[key])
} 
} 
$(this).keyup(function (){ 
currentPage = 1; 
var query = $(this).val(); 
var request = { 
url: _AN_Read_url("url", options),
data: { 
}
,
type: "GET",
dataType: options.dataType,
success: function (data){ 
var table = $(options.table); 
table.html(options.buildEntries(data)); 
} 
}
; 
if (options.before != null ) { 
options.before(request); 
} 
var data = request.data; 
data[options.queryParam] = query; 
data[options.pageParam] = currentPage; 
$.ajax(request).always(function (){ 
if (options.after != null ) { 
options.after(); 
} 
} 
); 
} 
); 
} 
; 
} 
(jQuery));