var bSlide;
var isAnimate = 0;

function clickSlideBanner() {
	bSlide = {
		slide: $("#big_slide"),
		tip: $("#tip_hop"),
		smallTo: 300,  //要收缩到的高度
		big: null,
		small: null
	};

	//自动获取并计算出默认值和动画要变形到的大小和位置
	bSlide.big = [bSlide.slide.height(),bSlide.tip.position().top]
	bSlide.small = [bSlide.smallTo,bSlide.big[1]*1 - (bSlide.big[0] - bSlide.smallTo)];

	//大小设置的纪录 Cookie
	var bSlideState = $.cookie("bslide_state");

	if(bSlideState != null) {
		bSlideState = bSlideState == "b" ? "b" : "s";
	}

	//根据纪录进行设置
	if(bSlideState == "s") { //Set To Small (Defaut is big, so do not need set big)
		bSlide.slide.css({height:bSlide.small[0]});
		bSlide.tip.css({top:bSlide.small[1]});
		isAnimate = 1;
	}

	//大图点击效果
	var slideEffect = function(){
		if(isAnimate == 0 || bSlideState == "b") {  //To Small
			bSlide.slide.animate({height:bSlide.small[0]},"slow");
			bSlide.tip.animate({top:bSlide.small[1]},"slow");
			isAnimate = 1;
			$.cookie("bslide_state","s",{expires:1});
		} else {  //To Big
			bSlide.slide.animate({height:bSlide.big[0]},"slow");
			bSlide.tip.animate({top:bSlide.big[1]},"slow");
			isAnimate = 0;
			$.cookie("bslide_state","b",{expires:1});
		}
	};

	if(bSlideState == null) {
		setTimeout(function(){
			slideEffect();
		},700);
	}

	$("#big_slide").click(slideEffect).css("cursor","pointer");
}

var documentReady = function(){

	//$("#top").fadeTo(1,0.9);
	$("#tip_hop").fadeTo("normal",0.4);

	//PNG Fix
	$(".pngfix").pngfix();

	$("#navigation a").attr("hideFocus","true").each(function(){
		var obj = $(this);
		obj.parent().click(function(){
			location.href = obj.attr("href");
			return false;  //返回 false 以阻止 A 标记造成两次点击
		}).css("cursor","pointer");
	});

	//$("#navigation li").hover(function(){
	//	$(this).fadeTo(300,0.5);
	//},function(){
	//	$(this).fadeTo(300,1);
	//});

};