Date.prototype.format = function(formatStr) {
	var str = formatStr;
	var Week = ['日', '一', '二', '三', '四', '五', '六'];

	str = str.replace(/yyyy|YYYY/, this.getFullYear());
	str = str.replace(/yy|YY/, (this.getYear() % 100) > 9 ? (this.getYear() % 100).toString() : '0' + (this.getYear() % 100));

	str = str.replace(/MM/, this.getMonth() > 8 ? (this.getMonth() + 1).toString() : '0' + (this.getMonth() + 1));
	str = str.replace(/M/g, this.getMonth() + 1);

	str = str.replace(/w|W/g, Week[this.getDay()]);

	str = str.replace(/dd|DD/, this.getDate() > 9 ? this.getDate().toString() : '0' + this.getDate());
	str = str.replace(/d|D/g, this.getDate());

	str = str.replace(/hh|HH/, this.getHours() > 9 ? this.getHours().toString() : '0' + this.getHours());
	str = str.replace(/h|H/g, this.getHours());
	str = str.replace(/mm/, this.getMinutes() > 9 ? this.getMinutes().toString() : '0' + this.getMinutes());
	str = str.replace(/m/g, this.getMinutes());

	str = str.replace(/ss|SS/, this.getSeconds() > 9 ? this.getSeconds().toString() : '0' + this.getSeconds());
	str = str.replace(/s|S/g, this.getSeconds());

	return str;
}

function isMobilePhone(n) {
	var reg = /^1[34578]\d{9}$/
	return reg.test(n)
}

function isTelPhone(n) {
	var reg = /^(\(\d{3,4}\)|\d{3,4}-|\s)?\d{7,14}$/
	return reg.test(n)
}

function getDateFromNow(days) {
	if(!days) {
		return new Date().format("yyyy-MM-dd")
	}
	var now = new Date().getTime()
	var diff = 24 * 3600 * 1000 * days
	return new Date(now + diff).format("yyyy-MM-dd")
}

function GetRequest() {
	var url = location.search; //获取url中"?"符后的字串
	var theRequest = new Object();
	if(url.indexOf("?") != -1) {
		var str = url.substr(1);
		strs = str.split("&");
		for(var i = 0; i < strs.length; i++) {
			theRequest[strs[i].split("=")[0]] = (strs[i].split("=")[1]);
		}
	}

	return theRequest;
}

//判断输入字符串是否为空或全是空格
function isNull(str) {
	if(str == null) return true;
	if(str == "") return true;
	var regu = "^[ ]+$";
	var re = new RegExp(regu);
	var bb = re.test(str);
	return re.test(str);
}