(function($)
{function isNumber(obj,min,max)
{return(typeof obj=="number")&&(isNumber(min)?obj>=min:true)&&(isNumber(max)?obj<=max:true)}
function isString(obj,minLength)
{return(typeof obj=="string")&&(isNumber(minLength)?obj.length>=minLength:true);}
var $isArray=$.isArray;$.extend({isNumber:isNumber,isString:isString,isObject:function(obj)
{return(typeof obj=="object")&&(obj!==null);},isDefined:function(obj)
{return(typeof obj!="undefined");},isArray:function(obj,minLength)
{return $isArray(obj)&&(isNumber(minLength)?obj.length>=minLength:true);}});})(jQuery);