$(function(){


	$(".gotop").click(function(){
		$("html,body").stop().animate({scrolltop:0},1000)
	})
										$('.pop-close, .pop-overlay').on('click', function(e){
												e.stoppropagation();
												$(this).parents('.pop-mod').removeclass('x-show');
												enwinscroll();
											});

///
});

/* function */


/*	container满屏高度设置	*/
function screencontainer(cls){	//	cls-[字符串] 类名(不要加‘.’) 当x-container设置此类名时，函数不会为x-container添加padding值来填充x-header的高度
	var container = $('.x-container');
	var syncele = $(container.data('sync'));
	var header = $('.x-header');
	var footer = $('.x-footer');
	
	foo();
	
	function foo(){
		var wheight	= $(window).height();
		var hheight	= header.innerheight();
		var fheight	= footer.innerheight();
		
		if(header.css('position') === 'fixed' || header.css('position') === 'absolute'){
			if(container.hasclass(cls)){
				container.css({'min-height' : wheight - fheight + 'px'});
				syncele.css({'height' : wheight - fheight + 'px'});
			}else{
				if(container.css('box-sizing') === 'border-box'){
					container.css({'min-height' : wheight - fheight + 'px', 'padding-top' : hheight + 'px'});
					syncele.css({'height' : wheight - fheight + 'px', 'padding-top' : hheight + 'px'});
				}else{
					container.css({'min-height' : wheight - fheight - hheight + 'px', 'padding-top' : hheight + 'px'});
					syncele.css({'height' : wheight - fheight - hheight + 'px', 'padding-top' : hheight + 'px'});
				}
			}
		}else{
			container.css({'min-height' : wheight - fheight - hheight + 'px'});
			syncele.css({'height' : wheight - fheight - hheight + 'px'});
		}
	}
		
	$(window).on('load', foo);

	$(window).on('resize', foo);
}

/*	fixed定位元素的横向滚动显示	*/
function scrollposfix(ele){	//	ele-[字符串] 类名(不要加‘.’)
	foo();
	
	$(window).on('scroll', foo);
	
	function foo(){
		var posele = $('.'+ele);
		if($(window).scrollleft()>0){
			if(posele.hasclass(ele)){
				posele.css('margin-left', -$(window).scrollleft() + 'px');
			}else{
				posele.css('margin-left', '0px');
				posele = null;
			}
		}
	}
}
	
/*	返回顶部	*/
function gotop(cls){	//	cls-[字符串]	类名
	$(cls).on('click', function(){
		$('body, html').stop().animate({scrolltop: 0}, 400 + $(window).scrolltop() * 0.3);
	});
}

/*	获取滚动条宽度	*/
function getscrollbarwidth(){
	var rw = 0, wh = 0, bh = 0;
	wh = $(window).height();
	bh = $('body').height();
	if(bh > wh){
		if(!$('body').data('scrollbarwidth')){
			$('body').append('<div class="fnscrollbarwrap" style="position: fixed; left: 0; top: 0; width: 100px; height: 100px; overflow: auto; visibility: hidden; z-index: -9999;"><div class="fnscrollbarinner" style="width: 100%; height: 200px;"></div></div>');
			rw = 100-$('.fnscrollbarinner').width();
			$('body').data('scrollbarwidth', rw);
			$('.fnscrollbarwrap').remove();
		}else{
			rw = $('body').data('scrollbarwidth');
		}
	}
	return rw;
}


//	打开弹窗
function popshow(ele){
	$(ele).addclass('x-show');
	unwinscroll();
}

//	关闭弹窗
function pophide(){
	$('.pop-mod').removeclass('x-show');
	enwinscroll();
}

/*	禁止窗口滚动	*/
function unwinscroll(){
	var top = $(window).scrolltop();
	$('body').css({'position':'fixed','top':-top + 'px','left':'0px','right':getscrollbarwidth() + 'px'}).data('winscroll',top);
}

/*	释放窗口滚动	*/
function enwinscroll(){
	$('body').removeattr('style');
	$(window).scrolltop($('body').data('winscroll'));
}

/*	禁止选中	*/
function unselect(ele){	//	ele-[字符串]	操作对象，通常设为body
	$(ele).attr('unselectable','on').css({
		'-moz-user-select':'-moz-none',
		'-moz-user-select':'none',
		'-o-user-select':'none',
		'-khtml-user-select':'none', /* you could also put this in a class */
		'-webkit-user-select':'none',/* and add the css class here instead */
		'-ms-user-select':'none',
		'user-select':'none'
	}).on('selectstart', function(){ return false; }); 
}

/*	释放选中	*/
function enselect(ele){	//	ele-[字符串]	被禁止选中的对象
	$(ele).attr('unselectable','off').css({
		'-moz-user-select':'text',
		'-moz-user-select':'text',
		'-o-user-select':'text',
		'-khtml-user-select':'text', /* you could also put this in a class */
		'-webkit-user-select':'text',/* and add the css class here instead */
		'-ms-user-select':'text',
		'user-select':'text'
	}).off('selectstart'); 
}


/* ******************************************************************************************************************* */