/*
 *	sGallery 1.0 - simple gallery with jQuery
 *	made by bujichong 2009-11-25
 *	作者：不羁虫  2009-11-25
 * http://hi.baidu.com/bujichong/
 *	欢迎交流转载，但请尊重作者劳动成果，标明插件来源及作者
 */

(function ($) {
$.fn.sGallery = function (o) {
    return  new $sG(this, o);
			//alert('do');
    };

	var settings = {
		thumbObj:null,//预览对象
		titleObj:null,//标题
		botLast:null,//按钮上一个
		botNext:null,//按钮下一个
		thumbNowClass:'now',//预览对象当前的class,默认为now
		slideTime:1000,//平滑过渡时间
		autoChange:true,//是否自动切换
		changeTime:5000,//自动切换时间
		delayTime:100//鼠标经过时反应的延迟时间
	};

 $.sGalleryLong = function(e, o) {
    this.options = $.extend({}, settings, o || {});
	var _self = $(e);
	var set = this.options;
	var thumb;
	var size = _self.size();
	var nowIndex = 0; //定义全局指针
	var index;//定义全局指针
	var startRun;//预定义自动运行参数
	var delayRun;//预定义延迟运行参数

//初始化
	_self.eq(0).show();

//主切换函数
function fadeAB () {
	if (nowIndex != index) {
		if (set.thumbObj!=null) {
		$(set.thumbObj).removeClass().eq(index).addClass(set.thumbNowClass);}
		_self.eq(nowIndex).fadeOut(set.slideTime);
		_self.eq(index).fadeIn(set.slideTime);
		$(set.titleObj).eq(nowIndex).hide();//新增加title
		$(set.titleObj).eq(index).show();//新增加title
		nowIndex = index;
		if (set.autoChange==true) {
		clearInterval(startRun);//重置自动切换函数
		startRun = setInterval(runNext,set.changeTime);}
		}
}

//切换到下一个
function runNext() {
	index =  (nowIndex+1)%size;
	fadeAB();
}

//点击任一图片
	if (set.thumbObj!=null) {
	thumb = $(set.thumbObj);
//初始化
	thumb.eq(0).addClass(set.thumbNowClass);

		thumb.mousemove(function () {
			index = thumb.index($(this));
			fadeAB();
			return false;
		});
		thumb.mousemove(function () {
			index = thumb.index($(this));
			delayRun = setTimeout(fadeAB,set.delayTime);
		});
		thumb.mousemove(function () {
			clearTimeout(delayRun);
		});
	}

//点击上一个
	if (set.botNext!=null) {
		var botNext = $(set.botNext);
		botNext.mousemove(function () {
			runNext();
			return false;
		});
	}

//点击下一个
	if (set.botLast!=null) {
		var botLast = $(set.botLast);
		botLast.mousemove(function () {
			index = (nowIndex+size-1)%size;
			fadeAB();
			return false;
	});
	}

//自动运行
	if (set.autoChange==true) {
	startRun = setInterval(runNext,set.changeTime);
	}

}

var $sG = $.sGalleryLong;

})(jQuery);

function slide(Name,Class,Width,Height,fun){
	$(Name).width(Width);
	$(Name).height(Height);
	
	if(fun == true){
		$(Name).append('<div class="title-bg"></div><div class="title"></div><div class="change"></div>')
		var atr = $(Name+' div.changeDiv a');
		var sum = atr.length;
		for(i=1;i<=sum;i++){
			var title = atr.eq(i-1).attr("title");
			var href = atr.eq(i-1).attr("href");
			$(Name+' .change').append('<i>'+i+'</i>');
			$(Name+' .title').append('<a href="'+href+'">'+title+'</a>');
		}
		$(Name+' .change i').eq(0).addClass('cur');
	}
	$(Name+' div.changeDiv a').sGallery({//对象指向层，层内包含图片及标题
		titleObj:Name+' div.title a',
		thumbObj:Name+' .change i',
		thumbNowClass:Class
	});
	$(Name+" .title-bg").width(Width);
}

//缩略图
jQuery.fn.LoadImage=function(scaling,width,height,loadpic){
    if(loadpic==null)loadpic="../images/msg_img/loading.gif";
return this.each(function(){
   var t=$(this);
   var src=$(this).attr("src")
   var img=new Image();
   img.src=src;
   //自动缩放图片
   var autoScaling=function(){
    if(scaling){
     if(img.width>0 && img.height>0){ 
           if(img.width/img.height>=width/height){ 
               if(img.width>width){ 
                   t.width(width); 
                   t.height((img.height*width)/img.width); 
               }else{ 
                   t.width(img.width); 
                   t.height(img.height); 
               } 
           } 
           else{ 
               if(img.height>height){ 
                   t.height(height); 
                   t.width((img.width*height)/img.height); 
               }else{ 
                   t.width(img.width); 
                   t.height(img.height); 
               } 
           } 
       } 
    } 
   }
   //处理ff下会自动读取缓存图片
   if(img.complete){
    autoScaling();
      return;
   }
   $(this).attr("src","");
   var loading=$("<img alt=\"加载中...\" title=\"图片加载中...\" src=\""+loadpic+"\" />");
  
   t.hide();
   t.after(loading);
   $(img).load(function(){
    autoScaling();
    loading.remove();
    t.attr("src",this.src);
    t.show();
	//$('.photo_prev a,.photo_next a').height($('#big-pic img').height());
   });
  });
}

//向上滚动代码
function startmarquee(elementID,h,n,speed,delay){
 var t = null;
 var box = '#' + elementID;
 $(box).hover(function(){
  clearInterval(t);
  }, function(){
  t = setInterval(start,delay);
 }).trigger('mouseout');
 function start(){
  $(box).children('ul:first').animate({marginTop: '-='+h},speed,function(){
   $(this).css({marginTop:'0'}).find('li').slice(0,n).appendTo(this);
  })
 }
}

//TAB切换
function SwapTab(name,title,content,Sub,cur){
  $(name+' '+title).mouseover(function(){
	  $(this).addClass(cur).siblings().removeClass(cur);
	  $(content+" > "+Sub).eq($(name+' '+title).index(this)).show().siblings().hide();
  });
}

//热点活动JS
var sina={$:function(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}},isIE:navigator.appVersion.indexOf("MSIE")!=-1?true:false,addEvent:function(l,i,I){if(l.attachEvent){l.attachEvent("on"+i,I)}else{l.addEventListener(i,I,false)}},delEvent:function(l,i,I){if(l.detachEvent){l.detachEvent("on"+i,I)}else{l.removeEventListener(i,I,false)}},readCookie:function(O){var o="",l=O+"=";if(document.cookie.length>0){var i=document.cookie.indexOf(l);if(i!=-1){i+=l.length;var I=document.cookie.indexOf(";",i);if(I==-1)I=document.cookie.length;o=unescape(document.cookie.substring(i,I))}};return o},writeCookie:function(i,l,o,c){var O="",I="";if(o!=null){O=new Date((new Date).getTime()+o*3600000);O="; expires="+O.toGMTString()};if(c!=null){I=";domain="+c};document.cookie=i+"="+escape(l)+O+I},readStyle:function(I,l){if(I.style[l]){return I.style[l]}else if(I.currentStyle){return I.currentStyle[l]}else if(document.defaultView&&document.defaultView.getComputedStyle){var i=document.defaultView.getComputedStyle(I,null);return i.getPropertyValue(l)}else{return null}}};


function ScrollPic(scrollContId,arrLeftId,arrRightId,dotListId){this.scrollContId=scrollContId;this.arrLeftId=arrLeftId;this.arrRightId=arrRightId;this.dotListId=dotListId;this.dotClassName="dotItem";this.dotOnClassName="dotItemOn";this.dotObjArr=[];this.pageWidth=0;this.frameWidth=0;this.speed=10;this.space=10;this.pageIndex=0;this.autoPlay=true;this.autoPlayTime=5;var _autoTimeObj,_scrollTimeObj,_state="ready";this.stripDiv=document.createElement("DIV");this.listDiv01=document.createElement("DIV");this.listDiv02=document.createElement("DIV");if(!ScrollPic.childs){ScrollPic.childs=[]};this.ID=ScrollPic.childs.length;ScrollPic.childs.push(this);this.initialize=function(){if(!this.scrollContId){throw new Error("必须指定scrollContId.");return};this.scrollContDiv=sina.$(this.scrollContId);if(!this.scrollContDiv){throw new Error("scrollContId不是正确的对象.(scrollContId = \""+this.scrollContId+"\")");return};this.scrollContDiv.style.width=this.frameWidth+"px";this.scrollContDiv.style.overflow="hidden";this.listDiv01.innerHTML=this.listDiv02.innerHTML=this.scrollContDiv.innerHTML;this.scrollContDiv.innerHTML="";this.scrollContDiv.appendChild(this.stripDiv);this.stripDiv.appendChild(this.listDiv01);this.stripDiv.appendChild(this.listDiv02);this.stripDiv.style.overflow="hidden";this.stripDiv.style.zoom="1";this.stripDiv.style.width="32766px";this.listDiv01.style.cssFloat="left";this.listDiv02.style.cssFloat="left";sina.addEvent(this.scrollContDiv,"mouseover",Function("ScrollPic.childs["+this.ID+"].stop()"));sina.addEvent(this.scrollContDiv,"mouseout",Function("ScrollPic.childs["+this.ID+"].play()"));if(this.arrLeftId){this.arrLeftObj=sina.$(this.arrLeftId);if(this.arrLeftObj){sina.addEvent(this.arrLeftObj,"mousedown",Function("ScrollPic.childs["+this.ID+"].rightMouseDown()"));sina.addEvent(this.arrLeftObj,"mouseup",Function("ScrollPic.childs["+this.ID+"].rightEnd()"));sina.addEvent(this.arrLeftObj,"mouseout",Function("ScrollPic.childs["+this.ID+"].rightEnd()"))}};if(this.arrRightId){this.arrRightObj=sina.$(this.arrRightId);if(this.arrRightObj){sina.addEvent(this.arrRightObj,"mousedown",Function("ScrollPic.childs["+this.ID+"].leftMouseDown()"));sina.addEvent(this.arrRightObj,"mouseup",Function("ScrollPic.childs["+this.ID+"].leftEnd()"));sina.addEvent(this.arrRightObj,"mouseout",Function("ScrollPic.childs["+this.ID+"].leftEnd()"))}};if(this.dotListId){this.dotListObj=sina.$(this.dotListId);if(this.dotListObj){var pages=Math.round(this.listDiv01.offsetWidth/this.frameWidth+0.4),i,tempObj;for(i=0;i<pages;i++){tempObj=document.createElement("span");this.dotListObj.appendChild(tempObj);this.dotObjArr.push(tempObj);if(i==this.pageIndex){tempObj.className=this.dotClassName}else{tempObj.className=this.dotOnClassName};tempObj.title="第"+(i+1)+"页";sina.addEvent(tempObj,"click",Function("ScrollPic.childs["+this.ID+"].pageTo("+i+")"))}}};if(this.autoPlay){this.play()}};this.leftMouseDown=function(){if(_state!="ready"){return};_state="floating";_scrollTimeObj=setInterval("ScrollPic.childs["+this.ID+"].moveLeft()",this.speed)};this.rightMouseDown=function(){if(_state!="ready"){return};_state="floating";_scrollTimeObj=setInterval("ScrollPic.childs["+this.ID+"].moveRight()",this.speed)};this.moveLeft=function(){if(this.scrollContDiv.scrollLeft+this.space>=this.listDiv01.scrollWidth){this.scrollContDiv.scrollLeft=this.scrollContDiv.scrollLeft+this.space-this.listDiv01.scrollWidth}else{this.scrollContDiv.scrollLeft+=this.space};this.accountPageIndex()};this.moveRight=function(){if(this.scrollContDiv.scrollLeft-this.space<=0){this.scrollContDiv.scrollLeft=this.listDiv01.scrollWidth+this.scrollContDiv.scrollLeft-this.space}else{this.scrollContDiv.scrollLeft-=this.space};this.accountPageIndex()};this.leftEnd=function(){if(_state!="floating"){return};_state="stoping";clearInterval(_scrollTimeObj);var fill=this.pageWidth-this.scrollContDiv.scrollLeft%this.pageWidth;this.move(fill)};this.rightEnd=function(){if(_state!="floating"){return};_state="stoping";clearInterval(_scrollTimeObj);var fill=-this.scrollContDiv.scrollLeft%this.pageWidth;this.move(fill)};this.move=function(num,quick){var thisMove=num/5;if(!quick){if(thisMove>this.space){thisMove=this.space};if(thisMove<-this.space){thisMove=-this.space}};if(Math.abs(thisMove)<1&&thisMove!=0){thisMove=thisMove>=0?1:-1}else{thisMove=Math.round(thisMove)};var temp=this.scrollContDiv.scrollLeft+thisMove;if(thisMove>0){if(this.scrollContDiv.scrollLeft+thisMove>=this.listDiv01.scrollWidth){this.scrollContDiv.scrollLeft=this.scrollContDiv.scrollLeft+thisMove-this.listDiv01.scrollWidth}else{this.scrollContDiv.scrollLeft+=thisMove}}else{if(this.scrollContDiv.scrollLeft-thisMove<=0){this.scrollContDiv.scrollLeft=this.listDiv01.scrollWidth+this.scrollContDiv.scrollLeft-thisMove}else{this.scrollContDiv.scrollLeft+=thisMove}};num-=thisMove;if(Math.abs(num)==0){_state="ready";if(this.autoPlay){this.play()};this.accountPageIndex();return}else{this.accountPageIndex();setTimeout("ScrollPic.childs["+this.ID+"].move("+num+","+quick+")",this.speed)}};this.next=function(){if(_state!="ready"){return};_state="stoping";this.move(this.pageWidth,true)};this.play=function(){if(!this.autoPlay){return};clearInterval(_autoTimeObj);_autoTimeObj=setInterval("ScrollPic.childs["+this.ID+"].next()",this.autoPlayTime*1000)};this.stop=function(){clearInterval(_autoTimeObj)};this.pageTo=function(num){if(_state!="ready"){return};_state="stoping";var fill=num*this.frameWidth-this.scrollContDiv.scrollLeft;this.move(fill,true)};this.accountPageIndex=function(){this.pageIndex=Math.round(this.scrollContDiv.scrollLeft/this.frameWidth);if(this.pageIndex>Math.round(this.listDiv01.offsetWidth/this.frameWidth+0.4)-1){this.pageIndex=0};var i;for(i=0;i<this.dotObjArr.length;i++){if(i==this.pageIndex){this.dotObjArr[i].className=this.dotClassName}else{this.dotObjArr[i].className=this.dotOnClassName}}}};