(function ($){ 
'$:nomunge'; 
var jq_getClassData, str_getClassData = 'getClassData'; 
$[str_getClassData] = jq_getClassData = function (class_string, prefix, delimiter){ 
var re, arr, data = [] ; 
delimiter = delimiter || '-'; 
re = new RegExp('(?:^|\\s)' + prefix + delimiter + '(\\S+)', 'g'); 
while (arr = re.exec(class_string)){ 
data.push(arr[1]); 
} 
return data.join(' '); 
} 
; 
$.fn[str_getClassData] = function (prefix, delimiter){ 
return jq_getClassData($(this).attr('class'), prefix, delimiter); 
} 
; 
} 
)(jQuery);