// 榛樿obj涓烘墽琛屽厓绱

// HOVER
	// 榛樿鏍峰紡 .h , 榛樿Hover鏍峰紡 .hover
	// 鑷畾涔塇OVER鍙娇鐢 Hover(obj, classname)
$(function(){
	$(".h").hover(function(){
		$(this).addClass("hover")
	}, function(){
		$(this).removeClass("hover")
	})
})
function Hover(obj, classname) {
	obj.hover(function(){
		$(this).addClass(classname)
	}, function(){
		$(this).removeClass(classname)
	})
}

// TAB
	// 榛樿鐒︾偣鏍峰紡 .cur
	// 涓洪槻姝p绯荤粺opacity鍙兘鍑虹幇鐨勯敮榻挎垨杈圭紭妯＄硦锛 榛樿.tabbox鏁堟灉.show() / .hide()
	// 鎷撳睍.tabbox鎴恛pacity锛 闇€鍦?tabbox涓婂姞涓 data-effect="true"
function Tab(tabBtn, tabBox) {
	var tabbl = true;
	tabBtn.eq(0).addClass("cur")
	tabBox.eq(0).show()
	tabBtn.click(function(){
        var n = $(this).index();
        $(this).addClass("cur").siblings().removeClass("cur")
        if(tabBox.attr("data-effect") == "true"){
        	if(!tabbl){
        		return
        	}
        	tabbl = false;
        	tabBox.eq(n).stop().fadeIn(800).siblings().stop().fadeOut(800, function(){
        		tabbl = true;
        	})
        }else{
        	tabBox.eq(n).show().siblings().hide()
        }
    })
}

// 鍥剧墖鍏ㄥ睆 / 鍥剧墖鍏呮弧鏁翠釜鐖剁骇
	// 榛樿box鑷甫loading鑳屾櫙鍥
	// 榛樿obj hide
function FullBg(box, obj){
	box.css("background", "none")
	obj.eq(0).stop().fadeIn(1000)
	function resizeBg() {
		obj.removeClass("w-f").removeClass("h-f").css("margin", 0)
		var boxR = box.outerWidth() / box.outerHeight(),
			objR = obj.width() / obj.height();
		if( objR < boxR ) {
		    obj.addClass('w-f').css("margin-top", -(obj.height() - box.outerHeight()) / 2);
		}else{
		    obj.addClass('h-f').css("margin-left", -(obj.width() - box.outerWidth()) / 2);
		}
	}
	$(window).resize(resizeBg).trigger("resize");
}
// 瑙嗛鍏ㄥ睆 / 瑙嗛鍏呮弧鏁翠釜鐖剁骇 (video鑾峰彇瀹介珮鏈夐棶棰?
function videoFull(obj, width, height){
	var $video = obj
	function resizeBg() {
		$video.attr("width", "").attr("height", "").attr("style", "")
		var boxR = $('.top-video').outerWidth() / $('.top-video').outerHeight(),
			objR = width / height;

		if( objR < boxR ) {
			$video.attr("width", "100%")
			var videoHeight = $video.width() / objR
			var top = - (videoHeight - $('.top-video').outerHeight()) / 2 > 0 ? 0 : - (videoHeight - $('.top-video').outerHeight()) / 2
			$video.css("margin-top", top);
		}else{
			$video.attr("height", "100%")
			var videoWidth = $video.height() * objR
			var left = - (videoWidth - $('.top-video').outerWidth()) / 2 > 0 ? 0 : - (videoWidth - $('.top-video').outerWidth()) / 2
		    $video.css("margin-left", left);
		}
	}
	$(window).resize(resizeBg).trigger("resize");
}


// 鏍囩杩涘満鏁堟灉
	// 鐢ㄤ簬澶氬钩绾ф爣绛句緷娆¤浇鍏 榛樿鏍囩鍏锋湁position灞炴€у強opacuty: 0;
	// direction 浠庡摢涓柟鍚戣繘鍏
	// distance  杩涘叆鍒版寚瀹氳窛绂
	// number    骞崇骇鏍囩鐨勪釜鏁
	// time      杩涘満鍔ㄧ敾鐨勬椂闂
	// delay     涓嬩竴鏍囩鐨勫欢杩
	// callback  鍥炶皟鍑芥暟
function Enter(obj, direction, distance, number, time, delay, callback) {
	// 浠庡乏寰€鍙筹紝distance > 0
	if(direction == "left"){
		obj.stop().animate({
			left : distance,
			opacity : 1
		}, time)
		setTimeout(function(){
			if(obj.next().index() != -1){
				Enter(obj.next(), direction, distance, number, time, delay, callback)
			}else{
				setTimeout(function(){
					callback = callback || function(){};
	    			callback ();
	    			return
				}, time - delay)
			}
		}, delay)
	}
	// 浠庝笂寰€涓嬶紝distance > 0
	if(direction == "top"){
		obj.stop().animate({
			top : distance,
			opacity : 1
		}, time)
		setTimeout(function(){
			if(obj.next().index() != -1){
				Enter(obj.next(), direction, distance, number, time, delay, callback)
			}else{
				setTimeout(function(){
					callback = callback || function(){};
	    			callback ();
	    			return
				}, time - delay)
			}
		}, delay)
	}
	// CSS3 X浣嶇Щ
	if(direction == "X"){
		obj.stop().transition({
			x : distance,
			opacity : 1
		}, time)
		setTimeout(function(){
			if(obj.next().index() != -1){
				Enter(obj.next(), direction, distance, number, time, delay, callback)
			}else{
				setTimeout(function(){
					callback = callback || function(){};
	    			callback ();
	    			return
				}, time - delay)
			}
		}, delay)
	}
	// CSS3 y浣嶇Щ
	if(direction == "Y"){
		obj.stop().transition({
			y : distance,
			opacity : 1
		}, time)
		setTimeout(function(){
			if(obj.next().index() != -1){
				Enter(obj.next(), direction, distance, number, time, delay, callback)
			}else{
				setTimeout(function(){
					callback = callback || function(){};
	    			callback ();
	    			return
				}, time - delay)
			}
		}, delay)
	}
}

// 鍥剧墖鍔犺浇 璋冪敤鏂规硶
// _PreLoadImg([
	// 鍥剧墖璺緞(鏁扮粍褰㈠紡)
// ],function(){

// })
function _PreLoadImg(b,e){var c=0,a={},d=0;for(src in b){d++}for(src in b){a[src]=new Image();a[src].onload=function(){if(++c>=d){e(a)}};a[src].src=b[src]}};

//鍥剧墖鎳掑姞杞  
//妫€娴嬪睆骞曟粴鍔ㄦ潯楂樺害
function lazy(){
	for (var i = 0; i < $("img").length; i++) {
		if($($("img")[i]).offset().top-$(window).height()<$(window).scrollTop()){
				$("img")[i].src=$("img")[i].dataset["src"];
		}
	}
}
// $(function(){
// 	lazy();
// 	$(window).on("scroll",lazy);
// 	$(window).on("resize",lazy);
// })