/*---- CSS样式 ----*/
	$(document).ready(function () {
		var centerContentHeight = $("#center_content").height();
		$("#left_content").height(centerContentHeight);
	});
/*---- CSS样式 ----*/


/*---- 限制选择与右键菜单 ----*/
	$(document).ready(function() {
		$("body").get(0).onselectstart = function() {
			return false; };
		$("body").get(0).oncontextmenu = function() {
			return false; };
	});
/*---- 限制选择与右键菜单 ----*/


/*---- 类 :hover 方法 ----*/
	$(document).ready(function () {
		var hover = $(".hover");
		hover.hover(function (event) {
			//over 方法
			var obj  = event.srcElement || event.target;
			for (i=0; i<5; i++) {
				if (obj.className.indexOf("hover") < 0)	obj = obj.parentNode;
				else break;
			}
			if (obj.className.indexOf("hover") < 0)	return;
			$(obj).addClass("on");
		}, function (event) {
			//out 方法
			var obj  = event.srcElement || event.target;
			for (i=0; i<5; i++) {
				if (obj.className.indexOf("hover") < 0)	obj = obj.parentNode;
				else break;
			}
			if (obj.className.indexOf("hover") < 0)	return;
			$(obj).removeClass("on");
		});
	});
/*---- 类 :hover 方法 ----*/


/*---- 页头广告图片切换 ----*/
	var headAdIntervalObject = null;	//自动播放对象
	var headAdInterval = 4000;			//自动播放周期（毫秒）
	var headAdPicSize = 0;				//广告图片个数
	var headAdPic = 0;					//当前的图品ID
	function headAdPicChange(pic) {	//图片转换
		if (headAdPic == pic) {	//免去重复动画
			return; }
		var showDiv=$("#head_ad .ads").get(0);
		var showPics = $("#head_ad .ads img");
		var showCurPic = $("#head_ad_pic_" + headAdPic);
		var showNextPic = $("#head_ad_pic_" + pic);
		if(showDiv.filters != null) {	//-- 支持滤镜的动画
			var sValue1 = 1;
			var sValue2 = Math.round(Math.random() * 100) % 24;
			
			with (showDiv.filters[0]) {
				Duration = sValue1;
				Transition=sValue2;
			}
			with (showDiv) {
				filters[0].Apply();
				
				showCurPic.css("visibility", "hidden");
				showNextPic.css("visibility", "visible");
				filters[0].play();
			}
		} else {					//-- 不支持滤镜的动画
			showCurPic.fadeOut(2000);
			showNextPic.fadeIn(2000);
		}
		headAdPic = pic;
	
		//-- 设置下一个
		pic = (pic + 1) % headAdPicSize;
		if (headAdIntervalObject != null) clearInterval(headAdIntervalObject);
		headAdIntervalObject = setInterval(function() {
			headAdPicChange(pic); 
		}, headAdInterval);
	}
	
	$(document).ready(function() {	//页面初始化
		var headAdPics = $("#head_ad .ads img");
		headAdPicSize = headAdPics.size();
		if ( headAdPicSize>0 ) {
			//-- 不支持滤镜的动画初始化
			if($("#head_ad .ads").get(0).filters == null) {
				headAdPics.css({
						"visibility":"visible",
						"display":"none"
					});
				$(headAdPics.get(0)).css("display", "block");
			} else {	//-- 支持滤镜的动画初始化
				$(headAdPics.get(0)).css("visibility", "visible");
			}
			
			//动画启动
			if (headAdPicSize>1) {
				headAdIntervalObject = setInterval(function() {
					headAdPicChange(1); 
				}, headAdInterval);
			}
		}	
	});
/*---- 页头广告图片切换 ----*/


/*---- 第三方代码 ----*/
	/*--- Google Analytics ---*/
	var _gaq = _gaq || [];
	_gaq.push(['_setAccount', 'UA-20743974-1']);
	_gaq.push(['_trackPageview']);
	
	(function() {
		var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
		ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
		var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
	})();
/*---- 第三方代码 ----*/