JQuery判断手机号码段

/**
 * jQuery mobiletype
 * 
 * @param MobileNumber
 *            ReturnLanguage(zh or en)
 * @returns mobiletype
 * 
 * Example Code <code>
 * 			$.mobiletype("13810095555", "zh"); 
 * 		</code> Result <code>
 * 			"移动"
 * 		</code>
 * 
 * @author StyleAnt [ [e-mail] ]
 * 
 * version 1.0
 */
(function($) {
	var mobiledata = [
			{
				type : 'ChinaMobile',
				title : [ 134, 135, 136, 137, 138, 139, 150, 151, 152, 157,
						158, 159, 187, 188, 184 ],
				name : '移动'
			}, {
				type : 'ChinaUnicom',
				title : [ 130, 131, 132, 155, 156, 185, 186 ],
				name : '联通'
			}, {
				type : 'ChinaTelecom',
				title : [ 133, 153, 180, 189 ],
				name : '电信'
			} ];

	var search = function(k, k1) {
		var json = eval(mobiledata);
		for ( var i = 0; i < json.length; i++) {
			var mobile_title = json[i].title;
			for ( var j = 0; j < mobile_title.length; j++) {
				if (mobile_title[j] == parseInt(k)) {
					if (k1 == 'zh') {
						return json[i].name;
					} else {
						return json[i].type;
					}
				}
			}
		}
	};

	$.extend({
		mobiletype : function(string, string) {
			if (string.match('^[0-9]*[1-9][0-9]*$') && string.length > 3) {
				var k = string.substring(0, 3);
				return search(k, string);
			} else {
				return "Unknow";
			}
		}
	});
})(jQuery);

 
调用方法：$.mobiletype("13810095555", "zh");

PS：第一次写jquery插件，写得不好，望高手手下留情，呵呵，谢谢！