// define class Popup

function Popup(param) {
	this.popup = param;
	this.height = this.popup.height();
}

Popup.prototype.showPopup = function() {
	var winHt = $(window).height();
	var popupMask = $('<div class="popup-mask"></div>');
	$('body').append(popupMask);
	$('.popup-mask').animate({height: winHt+"px"});
	this.centerPopup();
	this.popup.css('visibility', 'visible');
	//console.info('显示执行成功！！！');
};

Popup.prototype.centerPopup = function() {
	var winHt = $(window).height();
	this.height = this.popup.height();
	var marginTop = (winHt - this.height)/2;
	this.popup.css('top', marginTop + 'px');
};

Popup.prototype.hidePopup = function() {
	this.popup.css('top', -9999+'px');
	$('.popup-mask').animate({height:0},function() {

		$('.popup-mask').remove();
	});
	//console.info('隐藏执行成功！！！');
};

var popup = new Popup($('.popup').eq(0));
$('.popup').eq(0).find('.close').bind('click', function() {
	popup.hidePopup();	// 隐藏弹出框和遮罩层
});
$('[data-toggle="popup"]').click(function() {
	popup.showPopup();	// 显示弹出框和遮罩层
});
/*$('body').on('click', '.popup-mask', function() {
	popup.hidePopup();	// 隐藏弹出框和遮罩层
});*/
// 窗口大小改变
$(window).resize(function() {
	popup.hidePopup();	// 隐藏弹出框和遮罩层
});