jQuery.extend(jQuery.validator.methods,{date:function(value,element){return this.optional(element)||/^\d\d?\.\d\d?\.\d\d\d?\d?$/.test(value);},number:function(value,element){return this.optional(element)||/^-?(?:\d+|\d{1,3}(?:\.\d{3})+)(?:,\d+)?$/.test(value);}});