/*-----------------------------------------------------------------------------------------/
 * JQuery PlugIn - Slide Show(or, Switch Tab)
 * JQuery滑动切换插件 ver 1.2.0
 *
 * defaultIndex 	- 默认选中的标签索引，从0开始
 * titOnClassName	- 标签选中时的样式
 * titCell			- 自定义标题标签，支持选择符
 * mainCell			- 自定义标题标签，支持选择符
 * delayTime		- 延迟触发时间. 当这个时间小于切换动画效果时间时, 动画将被禁用
 * interTime		- 自动切换时间. 当这个时间大于0时, 标签将定时自动切换
 * trigger			- 滑动触发方式. 默认为click, 可选择mouseover
 * effect			- 切换动画. 默认不使用动画. 目前仅提供fade(淡出), slide(向下展开)两种
 * omitLinks		- 是否忽略带链接标签，默认为否
 * debug			- 调试模式. 默认关闭
/*----------------------------------------------------------------------------------------*/
// 浏览器判断
var isIE6 = (navigator.userAgent.toLowerCase().indexOf("msie 6") != -1);
var isIE = (navigator.userAgent.toLowerCase().indexOf("msie") != -1);


jQuery.fn.switchTab = function(settings) {
	settings = jQuery.extend({//可配置参数
		defaultIndex: 0,
		titOnClassName: "on",
		titCell: "dt span",
		mainCell: "dd",
		delayTime: 250,
		interTime: 0,
		trigger: "click",
		effect: "",
		omitLinks: false,
		debug: ""
	},
	settings,
	{//插件信息
		version: 120
	});

	this.each(function() {
		var st;
		var curTagIndex = -1;
		var obj = jQuery(this);
		if(settings.omitLinks && settings.titCell.substr(settings.titCell.length-1, 1)=="a"){
			settings.titCell = settings.titCell + "[href^='#']";
		}
		var oTit = obj.find(settings.titCell);
		var oMain = obj.find(settings.mainCell);
		var cellCount = oTit.length;//可切换个数
		var ShowSTCon = function (oi){
			if(oi != curTagIndex){
				if(curTagIndex<0)obj.find(settings.titCell+"."+settings.titOnClassName).removeClass(settings.titOnClassName);
				else oTit.eq(curTagIndex).removeClass(settings.titOnClassName);
				oMain.hide();
				obj.find(settings.titCell + ":eq(" + oi + ")").addClass(settings.titOnClassName);
				if(settings.delayTime <250 && settings.effect != "")settings.effect = "";
				if(settings.effect == "fade"){
					obj.find(settings.mainCell + ":eq(" + oi + ")").fadeIn({queue: false, duration: 250});
				}else if(settings.effect == "slide"){
					obj.find(settings.mainCell + ":eq(" + oi + ")").slideDown({queue: false, duration: 250});
				}else{
					obj.find(settings.mainCell + ":eq(" + oi + ")").show();
				}
				curTagIndex = oi;
			}
		};
		
		var ShowNext = function (){
			oTit.eq(curTagIndex).removeClass(settings.titOnClassName);
			oMain.hide();
			if(++curTagIndex >= cellCount)curTagIndex = 0;
			oTit.eq(curTagIndex).addClass(settings.titOnClassName);
			oMain.eq(curTagIndex).show();
			//ShowSTCon(curTagIndex);
		};
		
		//根据defaultIndex初始化
		ShowSTCon(settings.defaultIndex);

		//定时切换
		if(settings.interTime > 0){
			var sInterval = setInterval(function(){
				ShowNext();
			}, settings.interTime);
		}

		//处理交互事件
		oTit.each(function(i, ele){
			if(settings.trigger=="click"){
				jQuery(ele).click(function(){
					ShowSTCon(i);
					return false;//若有链接而选择了click模式, 链接不起作用
				});
			}else if(settings.delayTime > 0){
				jQuery(ele).hover(function(){
					st = setTimeout(function(){//延时触发
						ShowSTCon(i);
						st = null;
					}, settings.delayTime);
				},function(){
					if(st!=null)clearTimeout(st);
				});
			}else{
				jQuery(ele).mouseover(function(){
					ShowSTCon(i);
				});
			}
		});
	});
	if(settings.debug!="")alert(settings[settings.debug]);
	return this;
};



//垂直向上滚动
//wrapper, 容器选择符
//sItem, 滚动元素选择符
jQuery.fn.scrollUp = function(settings) {
	settings = jQuery.extend({
		delayTime: 4000,
		sItem: 'li'
	}, settings);

	var obj = jQuery(this);
	this.each(function() {
		var stepScroll = function(){
			var curItem = obj.find(settings.sItem + ":first");
			curItem.animate({
				marginTop: "-" + curItem.height()
			},
			300,
			"",
			function(){
				curItem.appendTo(obj);
				curItem.css("margin-top", "0px");
			});
		};
		setInterval(stepScroll, settings.delayTime);
	});
	return this;
};

//内容无缝滚动
function Marquee(marqueeBox, delaytime, direction, itemCell){
	if(delaytime == undefined)delaytime = 50;
	if(direction == undefined)direction = "up";
	if(itemCell == undefined)itemCell = "ul";
	var oMarquee = jQuery(marqueeBox);
	var oMarqueeCon = oMarquee.find(itemCell);
	var oMarqueeCopy = oMarqueeCon.clone(true).insertAfter(oMarqueeCon);

	var ScrollUp = function(){
		if(oMarqueeCopy[0].offsetHeight-oMarquee[0].scrollTop<=0){
			oMarquee[0].scrollTop = 0;
		}else{
			oMarquee[0].scrollTop++;
		}
	}
	
	var ScrollLeft = function(){
		if(oMarqueeCopy[0].offsetWidth-oMarquee[0].scrollLeft<=0){
			oMarquee[0].scrollLeft = 0;
		}else{
			oMarquee[0].scrollLeft++;
		}
	}
	
	switch(direction){
		case "left":
			var oScroll=setInterval(ScrollLeft, delaytime);
			oMarquee.hover(function(){
				clearInterval(oScroll);
			}, function(){
				oScroll=setInterval(ScrollLeft, delaytime);
			});
			break;
		case "up":
		default:
			var oScroll = setInterval(ScrollUp, delaytime);
			oMarquee.hover(function(){
				clearInterval(oScroll);
			}, function(){
				oScroll=setInterval(ScrollUp, delaytime);
			});
	}
}

//列高度统一
function HeightFix(column, column2, offset){
	var oCol = jQuery(column);
	var oCol2 = jQuery(column2);
	if(offset == undefined)offset = 0;
	if(oCol.height() > oCol2.height()){
		oCol2.height(oCol.height() - offset);
	}else{
		oCol.height(oCol2.height() - offset);
	}
}

//获得日期
function RunGLNL(obj){
	var today = new Date();
	var d = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
	var DDDD = (today.getFullYear()<100 ? today.getFullYear()+1900:today.getFullYear())+"年"+(today.getMonth()+1)+"月"+today.getDate()+"日";
	DDDD = DDDD + " " + d[today.getDay()];
	jQuery(obj).text(DDDD);
}


// hover变色
function hover(obj, className){
    jQuery(obj).hover(function(){
        jQuery(this).addClass(className);
    },function(){
        jQuery(this).removeClass(className);
    });
}


//横向滚动
function bizScroll(container, itemCell, btLeft, btRight, interTime){
    if(interTime == undefined)interTime = 0;//间隔时间
	var obj = jQuery(container);
	var defaultDirection = "left";

	//点击图片弹出
	jQuery(itemCell, obj).click(function(){
		jQuery("blockquote", this).slideToggle();
		//return false;
	});
	
	//隐藏已弹出层
	var hideBlock = function(){
		jQuery("blockquote:visible", obj).slideUp();
	};
	
	//点击按钮滚动
	var goRight = function(){
		hideBlock();
		var curA = jQuery((itemCell + ":first"), obj);
		curA.css("margin-left", "0px")
			.animate({marginLeft: "-" + curA.width() + "px"}, 500,
				function(){
					curA.appendTo(obj);
					curA.css("margin-left", "0px");
				});
	}
	var goLeft = function(){
		hideBlock();
		var curA = jQuery((itemCell + ":last"), obj);
		curA.prependTo(obj);
		curA.css("margin-left", "-" + curA.width() + "px")
			.animate({marginLeft: "0px"}, 500);
	}
	jQuery(btRight).click(goRight);
	jQuery(btLeft).click(goLeft);
	
	//按钮悬停样式
	jQuery(btLeft).hover(function(){
		jQuery(this).addClass("shover");
	},function(){
		jQuery(this).removeClass("shover");
	});
	jQuery(btRight).hover(function(){
		jQuery(this).addClass("shover");
	},function(){
		jQuery(this).removeClass("shover");
	});

	//定时切换
	if(interTime > 0){
		var ShowNext = goLeft;
		if(defaultDirection=="right")ShowNext = goRight;
		
		var sInterval = setInterval(function(){
			ShowNext();
		}, interTime);
	}
}




//DIV下拉选项
jQuery.fn.selectList = function(settings) {
    settings = jQuery.extend({//可配置参数
        titCell: "dt",
        selectCell: "dd",
        itemCell: "li",
        itemOnClass: "on",
        delayTime: 1000
    },
	settings);

    this.each(function() {
		var st;
        var obj = jQuery(this);
		obj.data("sValue", "全部");
		
		obj.click(function(){
			jQuery(settings.selectCell, obj).toggle();
		});
		
		obj.hover(function(){
			if(st!=null)clearTimeout(st);
		},function(){
			st = setTimeout(function(){
				jQuery(settings.selectCell, obj).hide();
				st = null;
			}, settings.delayTime);
		});
	
		jQuery(settings.itemCell, obj).hover(function(){
			jQuery(this).addClass(settings.itemOnClass);
		},function(){
			jQuery(this).removeClass(settings.itemOnClass);
		});
		
		jQuery(settings.itemCell, obj).click(function(){
			var sTemp = jQuery(this).text();
			obj.data("sValue", sTemp);
			jQuery(settings.titCell, obj).text(sTemp);
		});
    });
    return this;
};

function selectList(container){
	var obj = jQuery(container);
}


//教师博客处JS
//<![CDATA[
window.onload = function() {
rolinTab("rolin")
}
function rolinTab(obj) {
var list = $(obj).getElementsByTagName("LI");
var state = {show:false,hidden:false,showObj:false};

for (var i=0; i<list.length; i++) {
var tmp = new rolinItem(list[i],state);
if (i == 0) tmp.pShow();
}
}

function rolinItem(obj,state) {
var speed = 0.0666; 
var range = 1;
var interval;
var tarH;
var tar = this;
var head = getFirstChild(obj);
var content = getNextChild(head);
var isOpen = false;
this.pHidden = function() {
if (isOpen) hidden();
}
this.pShow = show;

var baseH = content.offsetHeight;
content.style.display = "none";
var isOpen = false;

head.onmouseover = function() {
this.style.background = "#EFEFEF";
}

head.onmouseout = mouseout;

head.onclick = function() {
this.style.background = "#EFEFEF";
if (!state.show && !state.hidden) {
if (!isOpen) {
head.onmouseout = null;
show();
} else {
hidden();
}

}
}

function mouseout() {
this.style.background = "#DEEAFF";
}
function show() {
head.style.borderBottom = "1px solid #DADADA";
state.show = true;
if (state.openObj && state.openObj != tar ) {
state.openObj.pHidden();
}
content.style.height = "0px";
content.style.display = "block";
content.style.overflow = "hidden";
state.openObj = tar;
tarH = baseH;

interval = setInterval(move,10);
}
function showS() {
isOpen = true;
state.show = false;
}

function hidden() {
state.hidden = true;
tarH = 0;
interval = setInterval(move,10);
}

function hiddenS() {
head.style.borderBottom = "none";
head.onmouseout = mouseout;
head.onmouseout();
content.style.display = "none";
isOpen = false;
state.hidden = false;
}

function move() {
var dist = (tarH - content.style.height.pxToNum())*speed;
if (Math.abs(dist) < 1) dist = dist > 0 ? 1: -1;
content.style.height = (content.style.height.pxToNum() + dist) + "px";
if (Math.abs(content.style.height.pxToNum() - tarH) <= range ) {
clearInterval(interval);
content.style.height = tarH + "px";
if (tarH != 0) {
showS()
} else {
hiddenS();
}
}
}

}
var $ = function($) {return document.getElementById($)};
String.prototype.pxToNum = function() {return Number(this.replace("px",""))}
function getFirstChild(obj) {
var result = obj.firstChild;
while (!result.tagName) {
result = result.nextSibling;
}
return result;
}

function getNextChild(obj) {
var result = obj.nextSibling;
while (!result.tagName) {
result = result.nextSibling;
}
return result;
}
//]]>