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,

	//Event
	addEvent : function(obj,eventType,func){if(obj.attachEvent){obj.attachEvent("on" + eventType,func);}else{obj.addEventListener(eventType,func,false)}},
	delEvent : function(obj,eventType,func){
		if(obj.detachEvent){obj.detachEvent("on" + eventType,func)}else{obj.removeEventListener(eventType,func,false)}
	},
	//Cookie
	readCookie : function(l){var i="",I=l+"=";if(document.cookie.length>0){var offset=document.cookie.indexOf(I);if(offset!=-1){offset+=I.length;var end=document.cookie.indexOf(";",offset);if(end==-1)end=document.cookie.length;i=document.cookie.substring(offset,end)}};return i},

	writeCookie : function(O,o,l,I){var i="",c="";if(l!=null){i=new Date((new Date).getTime()+l*3600000);i="; expires="+i.toGMTString()};if(I!=null){c=";domain="+I};document.cookie=O+"="+escape(o)+i+c},
	//Style
	readStyle:function(i,I){if(i.style[I]){return i.style[I]}else if(i.currentStyle){return i.currentStyle[I]}else if(document.defaultView&&document.defaultView.getComputedStyle){var l=document.defaultView.getComputedStyle(i,null);return l.getPropertyValue(I)}else{return null}},
	absPosition : function(obj,parentObj){
		var left = 0;
		var top = 0;
		var tempObj = obj;
		try{
			do{
				left += tempObj.offsetLeft;
				top += tempObj.offsetTop;
				tempObj = tempObj.offsetParent;
			}
			while(tempObj.id!=document.body && tempObj.id!=document.documentElement && tempObj != parentObj && tempObj!= null);
		}
		catch(e){};
		return {left:left,top:top};
	},
	_getJsData : function(url,callback){
		var _script = document.createElement("script");
		_script.type = "text/javascript";
		_script.language = "javascript";

		_script[_script.onreadystatechange === null ? "onreadystatechange" : "onload"] = function(){
			if(this.onreadystatechange){
				if(this.readyState != "complete" && this.readyState != "loaded") {return;}
			};
			if(callback){callback()};
			setTimeout(function(){_script.parentNode.removeChild(_script)},1000);
		};
		_script.src = url;
		
		document.getElementsByTagName("head")[0].appendChild(_script);
		
	}
};

sina.Step = function(){
	this.stepIndex = 0;
	this.classBase = 'step_';
	this.limit = 3;
	this.stepTime = 20;
	this.element = null;
	this._timeObj = null;
	this._type = '+';
};
sina.Step.prototype.action = function(type){
	if(!this.element){return};
	var tempThis = this;
	if(type=='+'){
		this._type = '+';
	}else{
		this._type = '-';
	};
	clearInterval(this._timeObj);
	this._timeObj = setInterval(function(){tempThis.nextStep()},this.stepTime);
};
sina.Step.prototype.nextStep = function(){
	if(this._type == '+'){
		this.stepIndex ++;
	}else{
		this.stepIndex --;
	};
	
	if(this.stepIndex <= 0){
		clearInterval(this._timeObj);
		this.stepIndex = 0;
		if(this._type == '-'){
			if(this.onfirst){this.onfirst()};
		};
	};
	if(this.stepIndex >= this.limit){
		clearInterval(this._timeObj);
		this.stepIndex = this.limit;
		if(this._type == '+'){
			if(this.onlast){this.onlast()};
		};
	};
	this.element.className = this.classBase + this.stepIndex;
	
	if(this.onstep){this.onstep()};
};

var epidiascope = {
	picTitleId : "d_picTit",
	picMemoId : "d_picIntro",
	picTimeId : 'd_picTime',
	picListId : "efpPicListCont",
	BigPicId : "d_BigPic",
	picArrLeftId : "efpLeftArea",
	picArrRightId : "efpRightArea",
	playButtonId : "ecbPlay",
	statusId : "ecpPlayStatus",
	mainBoxId : "efpBigPic",
	PVUrl_a : null,
	PVUrl_m : null,
	repetition : false,
	prefetch : false,
	autoPlay : true,
	mode : 'player',
	autoPlayTimeObj : null,
	timeSpeed : 5,
	maxWidth : 910,
	maxHeight : 700,
	minWidth : 720,
	filmstrips : [],
	prefetchImg : [],
	commNum : [],
	selectedIndex : -1,
	previousPicList : {},
	nextPicList : {},
	add : function(s){
		this.filmstrips.push(s);
		if(this.prefetch){
			var tempImg = new Image();
			tempImg.src = s.src;
			this.prefetchImg.push(tempImg);
		};
	},
	init : function(){
		var tempThis = this;
		var tempWidth = 0;
		if(this.filmstrips.length * 110 < sina.$(this.picListId).offsetWidth){
			tempWidth = Math.round(sina.$(this.picListId).offsetWidth / 2 - this.filmstrips.length * 110/2);
		};
		var commKey = "";
		var tempHTML = '<div style="width:32760px;padding-left:' + tempWidth + 'px;">',i;
		for(i=0;i<this.filmstrips.length;i++){
			tempHTML += '<div class="pic" id="slide_' + i + '"><table cellspacing="0"><tr><td class="picCont"><table cellspacing="0" cellpading"0"><tr><td class="pb_01"></td><td class="pb_02"></td><td class="pb_03"></td></tr><tr><td class="pb_04"></td><td><a href="javascript:epidiascope.select(' + i + ');" onclick="this.blur();"><img src="' + this.filmstrips[i].lowsrc_s + '" alt="' + this.filmstrips[i].title + '"  onload="DrawImage(this);" oncontextmenu="event.returnValue=false;return false;" /></a></td><td class="pb_05"></td></tr><tr><td class="pb_06"></td><td class="pb_07"></td><td class="pb_08"></td></tr></table></td></tr></table></div>';
	
			var commId = this.filmstrips[i].comment.match(/channel\=(.*?)\&newsid\=(.*?)(\&|$)/);
			this.filmstrips[i].commNum = 0;
			this.filmstrips[i].commId = "";
			if(commId){
				commId = commId[1] + ":" + commId[2] + ":0";
				
				this.filmstrips[i].commId = commId;
				if(commKey!=''){commKey+=','};
				commKey += commId;
			};
		};
		
		window.counter_callback = function(){
			tempThis.readCommNum();
		};
		
		sina.$(this.picListId).innerHTML = tempHTML + "</div>";

		//
		sina.$(this.picArrLeftId).onclick = function(){epidiascope.previous();epidiascope.stop();};
		sina.$(this.picArrRightId).onclick = function(){epidiascope.next();epidiascope.stop();};
		
		this.buttonNext = new epidiascope.Button('ecbNext'); 
		this.buttonPre = new epidiascope.Button('ecbPre');
		this.buttonPlay = new epidiascope.Button('ecbPlay');
		this.buttonCommTop = new epidiascope.Button('ecbComm');
		this.buttonMode = new epidiascope.Button('ecbMode');
		this.buttonFullScreen = new epidiascope.Button('ecbFullScreen');
		this.buttonSpeed = new epidiascope.Button('ecbSpeed');
		this.buttonModeReturn = new epidiascope.Button('ecbModeReturn');
		
		this.buttonPre.element.onclick = function(){epidiascope.previous();epidiascope.stop();};
		this.buttonNext.element.onclick = function(){epidiascope.next();epidiascope.stop();};
		this.buttonMode.element.onclick = function(){epidiascope.setMode('list');};
		this.buttonModeReturn.element.onclick = function(){epidiascope.setMode('player');};
		
		this.BigImgBox = sina.$(this.BigPicId);

		this.BigImgBox.oncontextmenu = function(e){
			e = e?e:event;
			e.returnValue=false;
			return false;
		};
		
		this._imgLoad = function(){
			var tempHeight = 0, tempWidth = 0;
			if(this.maxWidth == 0 ){return};

			if(this.width > epidiascope.maxWidth){
				tempHeight = Math.round(epidiascope.maxWidth * this.height / this.width);
				this.width = epidiascope.maxWidth;
				if (tempHeight > epidiascope.maxHeight){			
					tempWidth = Math.round(epidiascope.maxHeight* this.width / this.height);
					this.height = epidiascope.maxHeight;	
					if(tempWidth < epidiascope.minWidth){
						this.width = epidiascope.minWidth;
					}
					else {
						if(tempWidth > epidiascope.maxWidth){
							this.width = epidiascope.maxWidth;
						}
						else {
							this.width = tempWidth;
						}
					}
				}
			}
			else {
				if(this.width < epidiascope.minWidth){
					tempHeight = Math.round(epidiascope.minWidth * this.height / this.width);
					this.width = epidiascope.minWidth;
					if (tempHeight > epidiascope.maxHeight){
						this.height = epidiascope.maxHeight;	
					}
					else {
						this.height = tempHeight;
					}
				}
				else {
					if (this.height > epidiascope.maxHeight) {
						this.height = epidiascope.maxHeight;
					}
				}
			};

			if(this.width < 948){
				sina.$('d_BigPic').style.paddingTop = "15px";
				this.style.border = "2px solid #ccc";
			}else{
				sina.$('d_BigPic').style.paddingTop = "0px";
				this.style.border = "none";
				this.style.borderBottom = "1px solid #e5e6e6";
			};
			
			clearTimeout(tempThis._hideBgTimeObj);
			sina.$('d_BigPic').className = '';
			
		};
		
		this.createImg(this.filmstrips[0].src);
		
		this.select(0);
		
		if(!sina.isIE){
			this.BigImgBox.style.position = 'relative';
			this.BigImgBox.style.overflow = "hidden";
			
		}else{
			
			clearInterval(this._ieButHeiTimeObj);
			this._ieButHeiTimeObj = setInterval(function(){tempThis.setPicButtonHeight()},300);
		};
		
		var nextPics = sina.$('efpNextGroup').getElementsByTagName('a');
		sina.$('nextPicsBut').href = nextPics[0].href;
		
		if(this.autoPlay){this.play()}else{this.stop()};
		
		this.listInit();
		
		if(this.onstart){this.onstart()};
	},
	readTry : 0,
	readCommNum : function(){
		var tempThis = this;
		try{
			for(var i=0;i<g_clist.length;i++){
				for(var j=0;j<this.filmstrips.length;j++){
					if(this.filmstrips[j].commId == g_clist[i][0]){
						this.filmstrips[j].commNum = g_clist[i][1];
						break;
					};
				};
			};
			sina.$('commAObjNum').innerHTML = this.filmstrips[this.selectedIndex].commNum;
		}catch(e){
			this.readTry ++;
			if(this.readTry<10){
				setTimeout(function(){tempThis.readCommNum()},1000);
			};
			return;
		};
		
	},
	createImg : function(src){
		if(this.ImgObj1){
			this.BigImgBox.removeChild(this.ImgObj1);
		};
		this.ImgObj1 = document.createElement("img");
		this.ImgObj1.onmousedown = function(){return false};
		this.ImgObj1.galleryImg = false;
		this.ImgObj1.onload = this._imgLoad;
		if(src){
			this.ImgObj1.src = src;
		};
		this.BigImgBox.appendChild(this.ImgObj1);
	},
	select : function(num,type){
		var tempThis = this;
		if(this.endSelect.status == 1){
			this.endSelect.close();
		};
		if(num == this.selectedIndex){return};
		var i;
		if(num >= this.filmstrips.length || num < 0){return};
		
		sina.$(this.picTitleId).innerHTML = this.filmstrips[num].title;
		sina.$(this.picMemoId).innerHTML = this.filmstrips[num].text;
		sina.$(this.picTimeId).innerHTML = this.filmstrips[num].date;
		
		sina.$('d_BigPic').className = '';
		clearTimeout(this._hideBgTimeObj);
		this._hideBgTimeObj = setTimeout("sina.$('d_BigPic').className='loading'",500);
	
		this.createImg();
		
		this.ImgObj1.style.opacity = 0;
		
		if(this._timeOut){
			for(i=0;i<this._timeOut.length;i++){
				clearTimeout(this._timeOut[i]);
			};
		};
		this._timeOut = [];
		
		if(sina.isIE){
			this.ImgObj1.src = 'news_mj_005.gif';
			this.ImgObj1.filters[0].Apply();
			
			this.ImgObj1.src = this.filmstrips[num].src;
			this.ImgObj1.filters[0].Play();
		}else{
			this.ImgObj1.src = this.filmstrips[num].src;
			for(i = 0;i <= 3;i ++){
				this._timeOut[i] = setTimeout("epidiascope.ImgObj1.style.opacity = " + i * 0.3,i * 100);
			};
			this._timeOut[i] = setTimeout("epidiascope.ImgObj1.style.opacity = 1;",4 * 100);
		};
		
		if(sina.$("slide_" + this.selectedIndex)){sina.$("slide_" + this.selectedIndex).className = "pic"};
		sina.$("slide_" + num).className = "picOn";
		this.selectedIndex = num;

		this.picList.foucsTo(num + 1); 

		sina.$("total").innerHTML = '(<span class="cC00">'+(num + 1) + "</span>/" + this.filmstrips.length + ')';
		if(this.autoPlay){this.play()};
		this.PVCount(type);
		
		if(!this.prefetch && num < this.filmstrips.length - 1){
			this.reLoad = new Image();
			this.reLoad.src = this.filmstrips[num + 1].src;
		};
		
		if(this.filmstrips[num].comment != ''){
			sina.$('commAObj').href = this.filmstrips[num].comment;
			sina.$('commAObj').target = '_blank';
		}else{
			sina.$('commAObj').href = 'javascript:void(0)';
			sina.$('commAObj').target = '_self';
		};
		
		sina.$('commAObjNum').innerHTML = '';
	},
	setPicButtonHeight : function(){
		sina.$(this.picArrLeftId).style.height = sina.$(this.picArrRightId).style.height = sina.$(this.picArrLeftId).parentNode.offsetHeight + 'px';
	},
	PVCount : function(type){
		if(type=="auto"){
			if(this.PVUrl_a == null){return;};
		}else{
			if(this.PVUrl_m == null){return;};
		};
		if(!this.firstPage){
			this.firstPage = true;
			return;
		};
		
		if(this.PVFrame){
			this.PVFrame.parentNode.removeChild(this.PVFrame);
		};
		//create new iframe
		this.PVFrame = document.createElement("iframe");
		//style="height:0px;width:1px;overflow:hidden;"
		this.PVFrame.style.height = "0px";
		this.PVFrame.style.width = "1px";
		this.PVFrame.style.overflow = "hidden";
		this.PVFrame.frameBorder = 0;
		sina.$(this.mainBoxId).appendChild(this.PVFrame);
		this.PVFrame.src = (type=="auto"?this.PVUrl_a:this.PVUrl_m) + "?r=" + Math.random();
		//set page
		if(type!="auto"){this.setPageInfo(this.selectedIndex)};
	},
	setPageInfo : function(num){
		var href = window.location.href;
		url = href.match(/^(.*?)#.*?/);
		if(url){
			url = url[1];
		}else{
			url = href;
		};
		url += '#p='+Math.round(num+1);
		window.location.href = url;
	},
	next : function(type){
		var tempNum = this.selectedIndex + 1;
		if(tempNum >= this.filmstrips.length){
			if(this.repetition){
				tempNum = 0;
			}else{
				this.endSelect.open();
				return;
			};
		};
		
		if(type=="auto"){
			var testImg = new Image();
			testImg.src = this.filmstrips[tempNum].src;
			if(!testImg.complete){
				return;
			};
		};
		
		this.select(tempNum,type);
	},
	previous : function(){
		var tempNum = this.selectedIndex - 1;
		if(tempNum < 0){ 
			if(this.repetition){
				tempNum = this.filmstrips.length - 1
			}else{
				return;
			};
		};
		this.select(tempNum);
	},
	play : function(){
		clearInterval(this.autoPlayTimeObj);
		this.autoPlayTimeObj = setInterval("epidiascope.next('auto')",this.timeSpeed*1000);
		sina.$(this.playButtonId).onclick = function(){epidiascope.stop()};
		sina.$(this.statusId).className = "stop";
		sina.$(this.statusId).title = "Stop";
		this.autoPlay = true;
	},
	stop : function(){
		clearInterval(this.autoPlayTimeObj);
		sina.$(this.playButtonId).onclick = function(){epidiascope.play();epidiascope.next('auto');};
		sina.$(this.statusId).className = "play";
		sina.$(this.statusId).title = "Play";
		this.autoPlay = false;
	},
	
	rePlay : function(){ 
		if(this.endSelect.status == 1){this.endSelect.close()};
		this.autoPlay = true;
		this.select(0);
	},
	clickComment : function(){ 
		var thisFilmstrip = this.filmstrips[this.selectedIndex];
		if(thisFilmstrip.comment){window.open(thisFilmstrip.comment)};
	},
	downloadPic : function(){
		var thisFilmstrip = this.filmstrips[this.selectedIndex];

	},
	setMode : function(mode){
		this.speedBar.close();
		this.commTop.close();
		if(this.endSelect.status == 1){
			this.endSelect.close();
		};
		if(mode == 'list'){
			this.buttonSpeed.hide();
			this.buttonFullScreen.hide();
			this.buttonPlay.hide();
			this.buttonNext.hide();
			this.buttonPre.hide();
			sina.$('ecbLine').style.visibility = 'hidden';
			this.buttonMode.element.style.display = 'none';
			this.buttonModeReturn.element.style.display = 'block';
			this.buttonModeReturn.rePosi();
			
			this.stop();
			this.mode = 'list';
			
			this.listSelect(this.selectedIndex);
			
			sina.$('eFramePic').style.display = 'none';
			sina.$('ePicList').style.display = 'block';
			
			this.listView();
		}else{
			window.scroll(0,0);
			this.buttonSpeed.show();
			this.buttonFullScreen.show();
			this.buttonPlay.show();
			this.buttonNext.show();
			this.buttonPre.show();
			sina.$('ecbLine').style.visibility = 'visible';
			this.buttonMode.element.className = '';
			
			this.buttonMode.element.style.display = 'block';
			this.buttonModeReturn.element.style.display = 'none';
			
			this.mode = 'player';
			
			sina.$('eFramePic').style.display = 'block';
			sina.$('ePicList').style.display = 'none';
			
		};
	},
	switchMode : function(){
		if(this.mode == 'list'){
			this.setMode('player');
		}else{
			this.setMode('list');
		};
	},
	listData : null,
	listFrameId : 'ePicList',
	listSelectedIndex : null,
	listSelect : function(num){
		if(num<0 || num >= this.listData.length){return};
		if(this.listSelectedIndex !== null){
			this.listData[this.listSelectedIndex].className = 'picBox';
		};
		this.listSelectedIndex = num;
		this.listData[this.listSelectedIndex].className = 'picBox selected';
	},
	listInit : function(){
		var tempThis = this;
		this.listData = [];
		for(var i=0;i<this.filmstrips.length;i++){
			var tempObj = document.createElement('div');
			this.listData.push(tempObj);
			sina.$(this.listFrameId).appendChild(tempObj);
			tempObj.className = 'picBox';
			tempObj.innerHTML = '<table cellspacing="10"><tr><td><img src="' + this.filmstrips[i].lowsrc_b + '" alt="" /></td></tr></table><h3>' + this.filmstrips[i].title + '</h3><p class="time">' + this.filmstrips[i].date + '</p>';
			
			tempObj.num = i;
			tempObj.onmousemove = function(){
				tempThis.listSelect(this.num);
			};
			tempObj.onclick = function(){
				tempThis.select(tempThis.listSelectedIndex);
				tempThis.setMode('player');
			};
		};
	},
	listRowSize : 4,
	listView : function(){
		var element = this.listData[this.listSelectedIndex];
		
		var bodyHeight = document.documentElement.clientHeight==0?document.body.clientHeight:document.documentElement.clientHeight;
		var scrollTop = document.documentElement.scrollTop==0?document.body.scrollTop:document.documentElement.scrollTop;
		
		var posi = sina.absPosition(element,document.documentElement);
		if((posi.top + (element.offsetHeight * 0.3)) < scrollTop || (posi.top + (element.offsetHeight * 0.7)) > scrollTop + bodyHeight){
			window.scroll(0,posi.top - Math.round((bodyHeight - element.offsetHeight)/2));
		};
	},
	listMoveUp : function(){
		var newNum = this.listSelectedIndex - this.listRowSize;
		if(newNum<0){
			return;
		};
		this.listSelect(newNum);
		this.listView();
	},
	listMoveDown : function(){
		var newNum = this.listSelectedIndex + this.listRowSize;
		if(newNum>=this.listData.length){
			nweNum = this.listData.length - 1;
		};
		this.listSelect(newNum);
		this.listView();
	},
	listMoveLeft : function(){
		var newNum = this.listSelectedIndex - 1;
		if(newNum<0){
			return;
		};
		this.listSelect(newNum);
		this.listView();
	},
	listMoveRight : function(){
		var newNum = this.listSelectedIndex + 1;
		if(newNum>=this.listData.length){
			return;
		};
		this.listSelect(newNum);
		this.listView();
	},
	postComm : function(content,pos){
		if(content == ''){
			alert('Please write your comment in the text area box.');
			return;
		};
		var connInfo = this.filmstrips[this.selectedIndex].commId;
		if(connInfo){
			connInfo = connInfo.match(/(.*?)\:(.*?)\:/);
			var Cmsg = {};
			Cmsg.m_channel 	= connInfo[1];
			Cmsg.m_newsid 	= connInfo[2];
			Cmsg.m_content	= content;
			cmnt_post(Cmsg);
		};
		if(pos == 'bottom'){
			this.commBottom.close();
		}else{
			this.commTop.close();
		};
	}
};

epidiascope.speedBar = {
	boxId : "SpeedBox", 
	contId : "SpeedCont", 
	slideId : "SpeedSlide",
	slideButtonId : "SpeedNonius",
	infoId : "ecbSpeedInfo",
	grades : 10, 
	grade : 5, 
	_slideHeight : 112, 
	_slideButtonHeight : 9, 
	_baseTop : 4,
	_marginTop : 0,
	_mouseDisparity : 0,
	_showStep : 0,
	_showType : 'close',
	_showTimeObj : null,
	init : function(){
		var tempThis = this;
		this._marginTop = Math.round(this._slideHeight/this.grades * (this.grade - 1));
		
		sina.$(this.slideButtonId).style.top = this._marginTop + this._baseTop + "px";
		sina.$(this.infoId).innerHTML = this.grade + "s";
		
		this.step = new sina.Step();
		this.step.element = sina.$(this.contId);
		this.step.limit = 6;
		this.step.stepTime = 20;
		this.step.classBase = 'speedStep_';
		this.step.onfirst = function(){
			epidiascope.buttonSpeed.setStatus('ok');
			sina.$(epidiascope.speedBar.boxId).style.display = 'none';
		};
		
		sina.$(this.slideId).onselectstart = function(){return false};
		sina.$(this.slideButtonId).onmousedown = function(e){tempThis.mouseDown(e);return false};
		sina.$(this.slideId).onmousedown = function(e){tempThis.slideClick(e);return false};
		
		epidiascope.buttonSpeed.element.onmousedown = function(){tempThis.show();return false;};
		epidiascope.buttonSpeed.element.onselectstart = function(){return false};
	},
	show : function(){
		if(this._showType == 'close'){
			this.open();
		}else{
			this.close();
		};
	},
	open : function(){
		var tempThis = this;
		this._showType = 'open';
		var tempMouseDown = document.onmousedown;
		var mousedown = function(e){
			e = window.event?event:e;
			if(e.stopPropagation){ 
				e.stopPropagation();
			}else{
				window.event.cancelBubble = true;
			};
			var eventObj = e.target?e.target:e.srcElement;
			
			while(eventObj != sina.$(tempThis.boxId) && eventObj != epidiascope.buttonSpeed.element){
				if(eventObj.parentNode){
					eventObj = eventObj.parentNode;
				}else{
					break;
				};
			};
			if(eventObj == sina.$(tempThis.boxId) || eventObj == epidiascope.buttonSpeed.element){
				return;
			}else{
				tempThis.close();
			};
			sina.delEvent(document,'mousedown',mousedown);
		};
		sina.addEvent(document,'mousedown',mousedown);
		
		epidiascope.buttonSpeed.setStatus('down');
		sina.$(this.boxId).style.display = 'block';
		
		this.step.action('+');
	},
	close : function(){
		var tempThis = this;
		this._showType = 'close';
		epidiascope.buttonSpeed.setStatus('ok');
		this.step.action('-');
	},
	slideClick : function(e){
		e = window.event?event:e;
		var Y = e.layerY?e.layerY:e.offsetY;
		if(!Y){return};
		
		this._marginTop = Y - Math.round(this._slideButtonHeight/2);
		if(this._marginTop<0){this._marginTop=0};
		this.grade = Math.round(this._marginTop/(this._slideHeight/this.grades) + 1);
		sina.$(this.slideButtonId).style.top = this._marginTop + this._baseTop + "px";
		sina.$(this.infoId).innerHTML = this.grade + "s";
		
		if(this.onend){this.onend()};
	},
	setGrade : function(num){
		this.grade = num;
		this._marginTop = Math.round(this._slideHeight/this.grades * (this.grade - 1));
		
		sina.$(this.slideButtonId).style.top = this._marginTop + this._baseTop + "px";
		sina.$(this.infoId).innerHTML = this.grade + "s";
		sina.writeCookie("eSp",this.grade,720);
	},
	mouseDown : function(e){
		var tempThis = this;
		e = window.event?window.event:e;
		this._mouseDisparity = (e.pageY?e.pageY:e.clientY) - this._marginTop;
		document.onmousemove = function(e){tempThis.mouseOver(e)};
		document.onmouseup = function(){tempThis.mouseEnd()};
	},
	mouseOver : function(e){
		e = window.event?window.event:e;
		this._marginTop = (e.pageY?e.pageY:e.clientY) - this._mouseDisparity;
		if(this._marginTop > (this._slideHeight - this._slideButtonHeight)){this._marginTop = this._slideHeight - this._slideButtonHeight};
		if(this._marginTop < 0){this._marginTop = 0;};
		sina.$(this.slideButtonId).style.top = this._marginTop + this._baseTop + "px";

		this.grade = Math.round(this._marginTop/(this._slideHeight/this.grades) + 1);

		if(this.onmover){this.onmover()};
	},
	mouseEnd : function(){
		if(this.onend){this.onend()};
		
		document.onmousemove = null;
		document.onmouseup = null;
	},
	onmover : function(){
		sina.$(this.infoId).innerHTML = this.grade + "s";
	},
	onend : function(){
		sina.writeCookie("eSp",this.grade,720);
		epidiascope.timeSpeed = this.grade;
		if(epidiascope.autoPlay){epidiascope.play()};
	}
};

epidiascope.commTop = {
	_showType : 'close',
	boxId : 'CommFormTopBox',
	contId : 'CommFormTopCont',
	playStatus : null,
	init : function(){
		var tempThis = this;
		
		this.step = new sina.Step();
		this.step.element = sina.$(this.contId);
		this.step.limit = 6;
		this.step.stepTime = 20;
		this.step.classBase = 'commTopStep_';
		this.step.onfirst = function(){
			epidiascope.buttonCommTop.setStatus('ok');
			sina.$(epidiascope.commTop.boxId).style.display = 'none';
		};
		
		sina.$('cftClose').onclick = function(){
			epidiascope.commTop.close();
		};
		
		epidiascope.buttonCommTop.element.onmousedown = function(){tempThis.show();return false;};
		epidiascope.buttonCommTop.element.onselectstart = function(){return false};
	},
	show : function(){
		if(this._showType == 'close'){
			this.open();
		}else{
			this.close();
		};
	},
	open : function(){
		this.playStatus = epidiascope.autoPlay;
		epidiascope.stop();
		
		var tempThis = this;
		this._showType = 'open';
		var mousedown = function(e){
			e = window.event?event:e;
			if(e.stopPropagation){ 
				e.stopPropagation();
			}else{
				window.event.cancelBubble = true;
			};
			var eventObj = e.target?e.target:e.srcElement;
			
			while(eventObj != sina.$(tempThis.boxId) && eventObj != epidiascope.buttonCommTop.element){
				if(eventObj.parentNode){
					eventObj = eventObj.parentNode;
				}else{
					break;
				};
			};
			if(eventObj == sina.$(tempThis.boxId) || eventObj == epidiascope.buttonCommTop.element){
				return;
			}else{
				tempThis.close();
			};
			sina.delEvent(document,'mousedown',mousedown);
		};
		
		sina.addEvent(document,'mousedown',mousedown);
		
		epidiascope.buttonCommTop.setStatus('down');
		sina.$(this.boxId).style.display = 'block';
		
		this.step.action('+');
	},
	close : function(){
		epidiascope.autoPlay = this.playStatus;
		if(epidiascope.autoPlay){epidiascope.play()};
		
		var tempThis = this;
		this._showType = 'close';
		epidiascope.buttonCommTop.setStatus('ok');
		this.step.action('-');
	}
};

epidiascope.commBottom = {
	_showType : 'close',
	boxId : 'CommFormBottomBox',
	contId : 'CommFormBottomCont',
	playStatus : null,
	init : function(){
		var tempThis = this;
		
		this.step = new sina.Step();
		this.step.element = sina.$(this.contId);
		this.step.limit = 6;
		this.step.stepTime = 20;
		this.step.classBase = 'commBottomStep_';
		this.step.onfirst = function(){
			sina.$(epidiascope.commBottom.boxId).style.display = 'none';
		};
		
		sina.$('cfbClose').onclick = function(){
			epidiascope.commBottom.close();
		};
		
		sina.$('buttonCommBottom').onmousedown = function(){tempThis.show();return false;};
	},
	show : function(){
		if(this._showType == 'close'){
			this.open();
		}else{
			this.close();
		};
	},
	open : function(){
		this.playStatus = epidiascope.autoPlay;
		epidiascope.stop();
		var tempThis = this;
		this._showType = 'open';
		var mousedown = function(e){
			e = window.event?event:e;
			if(e.stopPropagation){
				e.stopPropagation();
			}else{
				window.event.cancelBubble = true;
			};
			var eventObj = e.target?e.target:e.srcElement;
			
			while(eventObj != sina.$(tempThis.boxId) && eventObj != sina.$('buttonCommBottom')){
				if(eventObj.parentNode){
					eventObj = eventObj.parentNode;
				}else{
					break;
				};
			};
			if(eventObj == sina.$(tempThis.boxId) || eventObj == sina.$('buttonCommBottom')){
				return;
			}else{
				tempThis.close();
			};
			sina.delEvent(document,'mousedown',mousedown);
		};
		
		sina.addEvent(document,'mousedown',mousedown);
		
		sina.$(this.boxId).style.display = 'block';
		
		this.step.action('+');
	},
	close : function(){
		epidiascope.autoPlay = this.playStatus;
		if(epidiascope.autoPlay){epidiascope.play()};
		
		var tempThis = this;
		this._showType = 'close';
		this.step.action('-');
	}
};

epidiascope.picList = { 
	leftArrId : "efpListLeftArr",
	rightArrId : "efpListRightArr",
	picListId : "efpPicListCont",
	timeoutObj : null,
	pageWidth : 110,
	totalWidth : 0,
	offsetWidth : 0,
	lock : false,
	init : function(){
		sina.$(this.rightArrId).onmousedown = function(){epidiascope.picList.leftMouseDown()};
		sina.$(this.rightArrId).onmouseout = function(){epidiascope.picList.leftEnd("out");this.className='';};
		sina.$(this.rightArrId).onmouseup = function(){epidiascope.picList.leftEnd("up")};
		sina.$(this.leftArrId).onmousedown = function(){epidiascope.picList.rightMouseDown()};
		sina.$(this.leftArrId).onmouseout = function(){epidiascope.picList.rightEnd("out");this.className='';};
		sina.$(this.leftArrId).onmouseup = function(){epidiascope.picList.rightEnd("up")};
		this.totalWidth = epidiascope.filmstrips.length * this.pageWidth;
		this.offsetWidth = sina.$(this.picListId).offsetWidth;

	},
	leftMouseDown : function(){
		if(this.lock){return};
		this.lock = true;
		this.timeoutObj = setInterval("epidiascope.picList.moveLeft()",10);
	},
	rightMouseDown : function(){
		if(this.lock){return};
		this.lock = true;
		this.timeoutObj = setInterval("epidiascope.picList.moveRight()",10);
	},
	moveLeft : function(){
		if(sina.$(this.picListId).scrollLeft + 10 > this.totalWidth - this.offsetWidth){
			sina.$(this.picListId).scrollLeft = this.totalWidth - this.offsetWidth;
			this.leftEnd();
		}else{
			sina.$(this.picListId).scrollLeft += 10;
		};
	},
	moveRight : function(){
		sina.$(this.picListId).scrollLeft -= 10;
		if(sina.$(this.picListId).scrollLeft == 0){this.rightEnd()};
	},
	leftEnd : function(type){
		if(type=="out"){if(!this.lock){return}};
		clearInterval(this.timeoutObj);
		this.lock = false;
		this.move(30);
	},
	rightEnd : function(type){
		if(type=="out"){if(!this.lock){return}};
		clearInterval(this.timeoutObj);
		this.lock = false;
		this.move(-30);
	},
	foucsTo : function(num){
		if(this.lock){return};
		this.lock = true;

		var _moveWidth = Math.round(num * this.pageWidth - this.offsetWidth / 2) - 33;
		
		_moveWidth -= sina.$(this.picListId).scrollLeft;

		if(sina.$(this.picListId).scrollLeft + _moveWidth < 0){
			_moveWidth = - sina.$(this.picListId).scrollLeft;
		};
		if(sina.$(this.picListId).scrollLeft + _moveWidth >= this.totalWidth - this.offsetWidth){
			_moveWidth = this.totalWidth - this.offsetWidth - sina.$(this.picListId).scrollLeft;
		};
		
		this.move(_moveWidth);
	},
	move : function(num){
		var thisMove = num/4;
		if(Math.abs(thisMove)<1 && thisMove!=0){
			thisMove = (thisMove>=0?1:-1)*1;
		}else{
			thisMove = Math.round(thisMove);
		};

		var temp = sina.$(this.picListId).scrollLeft + thisMove;
		if(temp <= 0){sina.$(this.picListId).scrollLeft = 0;this.lock = false;return;}
		if(temp >= this.totalWidth - this.offsetWidth){sina.$(this.picListId).scrollLeft = this.totalWidth - this.offsetWidth;this.lock = false;return;}
		sina.$(this.picListId).scrollLeft += thisMove;
		num -= thisMove;
		if(Math.abs(num) <= 1){this.lock = false;return;}else{
			setTimeout("epidiascope.picList.move(" + num + ")",10)
		}
	}
};

epidiascope.keyboard = {
	_timeObj : null,
	init : function(){
		var tempThis = this;
		sina.addEvent(document,'keydown',function(e){tempThis.keyDown(e)});
		
		this.step = new sina.Step();
		this.step.element = sina.$('efpClew');
		this.step.limit = 5;
		this.step.stepTime = 30;
		this.step.classBase = 'efpClewStep_';
		
		if(!this.closeObj){
			this.closeObj = document.createElement('span');
			this.closeObj.style.display = 'block';
			this.closeObj.id = 'efpClewClose';
			sina.$('efpClew').appendChild(this.closeObj);
			
			this.closeObj.onclick = function(){tempThis.clewClose()};
		};
		
		this.clewNum = parseInt(sina.readCookie('eCn'));
		if(isNaN(this.clewNum)){this.clewNum = 0};
		if(this.clewNum<5){
			this.clewOpen();
		};
		
	},
	clewClose : function(){
		this.step.action('-');
		sina.writeCookie('eCn',6,24*7);
	},
	clewOpen : function(){
		this.step.action('+');
	},
	keyDown : function(e){
		e = window.event?event:e;
		var obj = e.target?e.target:e.srcElement;
		if(obj.tagName == 'INPUT' || obj.tagName == 'SELECT' || obj.tagName == 'TEXTAREA'){
			if(e.stopPropagation){
				e.stopPropagation();
			}else{
				window.event.cancelBubble = true;
			};
			return;
		};
		
		var stopKey = false;
		if(epidiascope.mode == 'list'){
			if(e.keyCode == 40){
				epidiascope.listMoveDown();
				stopKey = true;
			};
			if(e.keyCode == 37){
				epidiascope.listMoveLeft();
				stopKey = true;
			};
			if(e.keyCode == 38){
				epidiascope.listMoveUp();
				stopKey = true;
			};
			if(e.keyCode == 39){
				epidiascope.listMoveRight();
				stopKey = true;
			};
			if(e.keyCode == 13){
				epidiascope.setMode('player');
				epidiascope.select(epidiascope.listSelectedIndex);
				stopKey = true;
			};
			
		}else{
			if(e.keyCode == 39){
				epidiascope.next();
				stopKey = true;
				this.clewClose();
			};
			if(e.keyCode == 37){
				epidiascope.previous();
				stopKey = true;
				this.clewClose();
			};
		};
		
		if(e.keyCode == 9){
			epidiascope.switchMode();
			stopKey = true;
		};
			
		if(stopKey === true){
			if(e.preventDefault){
				e.preventDefault();
			}else{
				e.returnValue=false;
			};
		};
	}
};

epidiascope.endSelect = {
	endSelectId : "endSelect",
	closeId : "endSelClose",
	rePlayButId : "rePlayBut",
	status : 0, //1:open  0:close
	open : function(){
		this.status = 1;
		sina.$(this.endSelectId).style.display = "block";

		sina.$(this.endSelectId).style.left = Math.round((sina.$(epidiascope.mainBoxId).offsetWidth - sina.$(this.endSelectId).offsetWidth)/2) + "px";
		sina.$(this.endSelectId).style.top = Math.round((sina.$(epidiascope.mainBoxId).offsetHeight - sina.$(this.endSelectId).offsetHeight)/2) + "px";
		epidiascope.stop();
		sina.$(epidiascope.playButtonId).onclick = function(){epidiascope.rePlay()};
		sina.$(this.closeId).onclick = function(){epidiascope.endSelect.close()};
		sina.$(this.rePlayButId).onclick = function(){epidiascope.rePlay()};
	},
	close : function(){
		this.status = 0;
		sina.$(this.endSelectId).style.display = "none";
	}
};
epidiascope.onstart = function(){
	try{document.execCommand('BackgroundImageCache', false, true);}catch(e){};

	epidiascope.speedBar.grade = parseInt(sina.readCookie("eSp"));
	if(isNaN(epidiascope.speedBar.grade)){epidiascope.speedBar.grade = 5};
	epidiascope.speedBar.init();
	epidiascope.speedBar.onend();
	
	epidiascope.commTop.init();
	
	epidiascope.commBottom.init();

	epidiascope.picList.init();
	
	epidiascope.keyboard.init();
};

epidiascope.Button = function(id){
	this.status = 'ok';
	this.id = id;
	this.init();
};
epidiascope.Button.prototype.init = function(){
	if(!sina.$(this.id)){return};
	var tempThis = this;
	this.element = sina.$(this.id);
	this.classNameNum = '';
	if(this.element.offsetWidth == 43){
		this.classNameNum = '1';
	};
	this.mouseStatus = 'out';
	
	this.bgDiv = document.createElement('div');
	this.bgDiv.className = 'buttonBg' + this.classNameNum;
	this.element.parentNode.style.position = 'relative';
	this.element.style.position = 'relative';
	this.element.style.zIndex = '5';
	this.element.parentNode.appendChild(this.bgDiv);
	this.bgDiv.style.top = this.element.offsetTop - 6 + 'px';
	this.bgDiv.style.left = this.element.offsetLeft - 6 + 'px';
	
	this.step = new sina.Step();
	this.step.element = this.bgDiv;
	this.step.limit = 3;
	this.step.stepTime = 30;
	this.step.classBase = 'buttonBg' + this.classNameNum + ' bBg' + this.classNameNum + 'S_';
	
	sina.addEvent(this.element,'mouseover',function(){tempThis.mouseover()});
	sina.addEvent(this.element,'mouseout',function(){tempThis.mouseout()});
	sina.addEvent(this.element,'mousedown',function(){tempThis.mousedown()});
	sina.addEvent(this.element,'mouseup',function(){tempThis.mouseup()});
};

epidiascope.Button.prototype.rePosi = function(){
	this.bgDiv.style.top = this.element.offsetTop - 6 + 'px';
	this.bgDiv.style.left = this.element.offsetLeft - 6 + 'px';
};

epidiascope.Button.prototype.mouseover = function(){
	this.mouseStatus = 'in';
	if(this.status != 'down'){
		this.element.className = "hover";
		this.step.action('+');
	};
};

epidiascope.Button.prototype.mouseout = function(){
	this.mouseStatus = 'out';
	if(this.status != 'down'){
		this.element.className = "";
		this.step.action('-');
	};
};

epidiascope.Button.prototype.mouseup = function(){
	if(this.status == 'down'){return;}
	this.element.className = "hover";
};

epidiascope.Button.prototype.mousedown = function(){
	if(this.status == 'down'){return;}
	this.element.className = "active";
};

epidiascope.Button.prototype.setStatus = function(status){
	switch(status){
		case 'ok':
			this.status = 'ok';
			this.element.className = "";
			if(this.mouseStatus == 'in'){
				this.step.action('+');
			}else{
				this.step.action('-');
			};
			break;
		case 'down':
			this.status = 'down';
			this.step.action('-');
			this.element.className = "active";
			break;
	};
};

epidiascope.Button.prototype.hide = function(){
	this.element.style.visibility = 'hidden';
	this.bgDiv.style.visibility = 'hidden';
};

epidiascope.Button.prototype.show = function(){
	this.element.style.visibility = 'visible';
	this.bgDiv.style.visibility = 'visible';
};
// -------------------------------------------------------------------------------------

function DrawImage(ImgD,iwidth,iheight){
	var image=new Image();
	if(!iwidth)iwidth = 90;
	if(!iheight)iheight = 90;
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){
		var flag=true;
		if(image.width/image.height>= iwidth/iheight){
			if(image.width>iwidth){ 
				ImgD.width=iwidth;
				ImgD.height=(image.height*iwidth)/image.width;
			}else{
				ImgD.width=image.width; 
				ImgD.height=image.height;
			}
		}else{
			if(image.height>iheight){ 
				ImgD.height=iheight;
				ImgD.width=(image.width*iheight)/image.height; 
			}else{
				ImgD.width=image.width; 
				ImgD.height=image.height;
			}
		}
	}
};

function DivSelect(O,l,I){
	var C=this;
	C.id=O;
	C.divId=l;
	C.divClassName=I;
	C.selectObj=sina.$(C.id);
	if(!C.selectObj){return};
	
	var o=C;
	C.status="close";
	C.parentObj=C.selectObj.parentNode;
	while(sina.readStyle(C.parentObj,"display")!="block"){
		if(C.parentObj.parentNode){
			C.parentObj=C.parentObj.parentNode
		}
		else{break}
	};
	C.parentObj.style.position="relative";
	C.selectObjWidth=C.selectObj.offsetWidth;
	C.selectObjHeight=C.selectObj.offsetHeight;
	C.selectPosition=sina.absPosition(C.selectObj,C.parentObj);
	C.selectObj.style.visibility="hidden";
	C.divObj=document.createElement("div");
	C.divObj.id=C.divId;
	
	if(C.divClassName){
		C.divObj.className=C.divClassName
	};
	C.parentObj.appendChild(C.divObj);
	C.divObj.style.width=C.selectObjWidth+"px";
	C.divObj.style.position="absolute";
	C.divObj.style.left=C.selectPosition.left+"px";
	C.divObj.style.top=C.selectPosition.top+"px";
	C.divObj.onclick=function(){o.click()};
	C.divObj_count=document.createElement("div");
	C.divObj.appendChild(C.divObj_count);
	C.divObj_count.className="ds_cont";
	C.divObj_title=document.createElement("div");
	C.divObj_count.appendChild(C.divObj_title);
	C.divObj_title.className="ds_title";
	C.divObj_button=document.createElement("div");
	C.divObj_count.appendChild(C.divObj_button);
	C.divObj_button.className="ds_button";
	C.divObj_list=document.createElement("div");
	C.divObj.appendChild(C.divObj_list);
	C.divObj_list.className="ds_list";
	C.divObj_list.style.display="none";
	C.divObj_listCont=document.createElement("div");
	C.divObj_list.appendChild(C.divObj_listCont);
	C.divObj_listCont.className="dsl_cont";
	C.list=[];
	
	var i;
	for(var c=0;c<C.selectObj.options.length;c++){
		i=document.createElement("p");
		C.list.push(i);
		C.divObj_listCont.appendChild(i);
		i.innerHTML=C.selectObj.options[c].innerHTML;
		if(C.selectObj.selectedIndex==c){C.divObj_title.innerHTML=i.innerHTML};
		i.onmouseover=function(){this.className="selected"};
		i.onmouseout=function(){this.className=""};
		i.onclick=function(){o.select(this.innerHTML)}
	};

	C.select=function(i){
		var l=this;
		for(var I=0;I<l.selectObj.options.length;I++){
			if(l.selectObj.options[I].innerHTML==i){
				l.selectObj.selectedIndex=I;
				if(l.selectObj.onchange){l.selectObj.onchange()};
				l.divObj_title.innerHTML=i;break}
		}
	};

	C.clickClose=function(I){
		var i=I.target?I.target:event.srcElement;
		do{
			if(i==o.divObj){return};
			if(i.tagName=="BODY"){break};
			i=i.parentNode
		}
		while(i.parentNode);o.close()
	};
		
	C.open=function(){
		var i=this;
		i.divObj_list.style.display="block";
		i.status="open";
		sina.addEvent(document,"click",i.clickClose)
	};
		
	C.close=function(){
		var i=this;
		i.divObj_list.style.display="none";
		i.status="close";
		sina.delEvent(document,"click",i.clickClose)
	};
		
	C.click=function(){
		var i=this;
		if(i.status=="open"){
			i.close()
		}
		else{
			i.open()
		}
	}
};