;//contentslider.JS modify in 2009-08-25 

function featuredcontentslider_init(setting){ //推荐直接方法调用，而非对象调用
featuredcontentslider.init(setting);
}

var featuredcontentslider={
ajaxloadingmsg: '请稍候…',
bustajaxcache: false,
enablepersist: false,
settingcaches: {},

buildcontentdivs:function(setting){
var alldivs=document.getElementById(setting.id).getElementsByTagName("div")
for (var i=0; i<alldivs.length; i++){
if (this.css(alldivs[i], "contentdiv", "check")){ //check the div be named "contentdiv" 
setting.contentdivs.push(alldivs[i])
alldivs[i].style.display="none"
alldivs[i].style.overflow="hidden"
}
}
},

jumpTo:function(fcsid, pagenumber){ //public function to go to a slide manually.
this.turnpage(this.settingcaches[fcsid], pagenumber)
},

ajaxconnect:function(setting){
var page_request = false
if (window.ActiveXObject){ //IE中的 ActiveXObject 支持，对于IE7是无效的
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
}
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else if (window.XMLHttpRequest) // Mozilla, Safari 等浏览器
page_request = new XMLHttpRequest()
else
return false
var pageurl=setting.contentsource[1]
page_request.onreadystatechange=function(){
featuredcontentslider.ajaxpopulate(page_request, setting)
}
document.getElementById(setting.id).innerHTML=this.ajaxloadingmsg
var bustcache=(!this.bustajaxcache)? "" : (pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', pageurl+bustcache, true)
page_request.send(null)
},

ajaxpopulate:function(page_request, setting){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
document.getElementById(setting.id).innerHTML=page_request.responseText;
this.buildpaginate(setting);
}
},

buildpaginate:function(setting){
this.buildcontentdivs(setting)
var sliderdiv=document.getElementById(setting.id)
var pdiv=document.getElementById("paginate-"+setting.id)
var phtml=""
var toc=setting.toc
var nextprev=setting.nextprev
if (typeof toc=="string" && toc!="markup" || typeof toc=="object"){
for (var i=1; i<=setting.contentdivs.length; i++){
phtml+='<i class="iToc iToc'+i+'"><a href="#'+i+'" class="toc">'+(typeof toc=="string"? toc.replace(/#increment/, i) : toc[i-1])+'</a></i> '
}
phtml=(nextprev[0]!=''? '<i class="iToc iToc'+i+'"><a href="#prev" class="prev">'+nextprev[0]+'</a></i> ' : '') + phtml + (nextprev[1]!=''? '<i class="iToc iToc'+i+'"><a href="#next" class="next">'+nextprev[1]+'</a></i>' : '')
pdiv.innerHTML='<i class="subLineTab"></i><span class="subPageTab">'+phtml+'</span>'
}


var pdivlinks = [];//支持<a>或<i>的触发
var pdivlink1=pdiv.getElementsByTagName("a");
var pdivlink2=pdiv.getElementsByTagName("I");
for(var i =0;i<pdivlink1.length;i++){
pdivlinks.push(pdivlink1[i]);
}
for(var i =0;i<pdivlink2.length;i++){
pdivlinks.push(pdivlink2[i]);
}

var toclinkscount=0 //var to keep track of actual # of toc links
for (var i=0; i<pdivlinks.length; i++){
if (this.css(pdivlinks[i], "toc", "check")){
if (toclinkscount>setting.contentdivs.length-1){ //if this toc link is out of range (user defined more toc links then there are contents)
pdivlinks[i].style.display="none" //hide this toc link
continue
}
pdivlinks[i].setAttribute("rel", ++toclinkscount) //store page number inside toc link
pdivlinks[i][setting.revealtype]=function(){
featuredcontentslider.turnpage(setting, this.getAttribute("rel"))
return false
}
setting.toclinks.push(pdivlinks[i])
}
else if (this.css(pdivlinks[i], "prev", "check") || this.css(pdivlinks[i], "next", "check")){ //check for links with class "prev" or "next"
pdivlinks[i].onclick=function(){
featuredcontentslider.turnpage(setting, this.className)
return false
}
}
}
this.turnpage(setting, setting.currentpage, true)
if (setting.autorotate[0]){ //当设置为自动轮换时，即 autorotate 为 true 时
pdiv[setting.revealtype]=function(){
return false
}
pdiv["onmouseover"]=function(){
featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])// onmouseover，停止自动轮换
return true
}
pdiv["onmouseout"]=function(){
featuredcontentslider.autorotate(setting)// onmouseout 后，继续自动轮换
return true
}
sliderdiv["onmouseover"]=function(){ 
featuredcontentslider.cleartimer(setting, window["fcsautorun"+setting.id])
return true
}
sliderdiv["onmouseout"]=function(){
featuredcontentslider.autorotate(setting)
return true
}
setting.autorotate[1]=setting.autorotate[1]+(1/setting.enablefade[1]*80) //添加轮换停留时间
this.autorotate(setting)
}
},

urlparamselect:function(fcsid){
var result=window.location.search.match(new RegExp(fcsid+"=(\\d+)", "i")); //check for "?featuredcontentsliderid=2" in URL
return (result==null)? null : parseInt(RegExp.$1); //returns null or index, where index (int) is the selected tab's index
},

turnpage:function(setting, thepage, autocall){
var currentpage=setting.currentpage //定义当前
var totalpages=setting.contentdivs.length
var turntopage=(/prev/i.test(thepage))? currentpage-1 : (/next/i.test(thepage))? currentpage+1 : parseInt(thepage)
turntopage=(turntopage<1)? totalpages : (turntopage>totalpages)? 1 : turntopage //test for out of bound and adjust
if (turntopage==setting.currentpage && typeof autocall=="undefined") //if a pagination link is clicked on repeatedly
return
setting.currentpage=turntopage
setting.contentdivs[setting.prevpage-1].style.display="none" //collapse last content div shown (it was set to "block")
setting.contentdivs[turntopage-1].style.zIndex=++setting.topzindex
this.cleartimer(setting, window["fcsfade"+setting.id])
setting.cacheprevpage=setting.prevpage
if (setting.enablefade[0]==true){
setting.curopacity=0
this.fadeup(setting)
}
if (setting.enablefade[0]==false){ //if fade is disabled, fire onChange event immediately (verus after fade is complete)
setting.onChange(setting.prevpage, setting.currentpage)
}
setting.contentdivs[turntopage-1].style.visibility="visible"
setting.contentdivs[turntopage-1].style.display="block"
if (setting.prevpage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted)
this.css(setting.toclinks[setting.prevpage-1], "selected", "remove")
if (turntopage<=setting.toclinks.length) //make sure pagination link exists (may not if manually defined via "markup", and user omitted)
this.css(setting.toclinks[turntopage-1], "selected", "add")
setting.prevpage=turntopage
if (this.enablepersist)
this.setCookie("fcspersist"+setting.id, turntopage)
},


setopacity:function(setting, value){ //赋予targetobject变量中的模块透明度，取值0-1之间
var targetobject=setting.contentdivs[setting.currentpage-1];
targetobject.className = "contentdiv sliderfilter";//解决黑色背景图片出现白点问题
if (targetobject.filters && targetobject.filters[0]){ //IE syntax
if (typeof targetobject.filters[0].opacity=="number") //IE6
targetobject.filters[0].opacity=value*100;
else //IE 5.5
targetobject.style.filter="alpha(opacity="+value*100+")";
}
else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
targetobject.style.MozOpacity=value;
else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
targetobject.style.opacity=value;
setting.curopacity=value;
},

fadeup:function(setting){
if (setting.curopacity<=0.95){ //当curopacity值小于或等于0.9时
this.setopacity(setting, setting.curopacity+setting.enablefade[1])
window["fcsfade"+setting.id]=setTimeout(function(){featuredcontentslider.fadeup(setting)}, 25)
}
else{ //当渐变已经完成，即 当curopacity值大于0.95时
this.setopacity(setting, 1); //(setting, setting.curopacity-setting.enablefade[1]);
var targetobject=setting.contentdivs[setting.currentpage-1];
targetobject.className = "contentdiv";
if (setting.cacheprevpage!=setting.currentpage) //if previous content isn't the same as the current shown div (happens the first time the page loads/ script is run)
setting.contentdivs[setting.cacheprevpage-1].style.display="none" //collapse last content div shown (it was set to "block")
setting.onChange(setting.cacheprevpage, setting.currentpage)
}
},

cleartimer:function(setting, timervar){
if (typeof timervar!="undefined"){
clearTimeout(timervar);
clearInterval(timervar);
if (setting.cacheprevpage!=setting.currentpage){ //if previous content isn't the same as the current shown div
setting.contentdivs[setting.cacheprevpage-1].style.display="none";
}
}
},

css:function(el, targetclass, action){
var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig");
if (action=="check")
return needle.test(el.className);
else if (action=="remove")
el.className=el.className.replace(needle, "");
else if (action=="add")
el.className+=" "+targetclass;
},

autorotate:function(setting){
window["fcsautorun"+setting.id]=setInterval(function(){featuredcontentslider.turnpage(setting, "next")}, setting.autorotate[1]);
},

getCookie:function(Name){
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1]; //return its value
return null;
},

setCookie:function(name, value){
document.cookie = name+"="+value;
},

iframeconnect:function(setting){ //增加iframe处理事件，支持iframe的轮换，但iframe与div的相互组合目前不能完成，即轮换内容既有iframe的内容又有div的内容的时候
var ifr = document.createElement('iframe');
ifr.id='iframeconnect'+new Date().getTime();
ifr.style.display='none';
var self = this;
var got = function(){
var d = ifr.contentDocument ? ifr.contentDocument : document.frames[ifr.id].document;
document.getElementById(setting.id).innerHTML=d.body.innerHTML;
document.body.removeChild(ifr);
self.buildpaginate(setting);
};
ifr.onload=got;
ifr.onreadystatechange=function(){
if(this.readyState=='complete') got();
};
ifr.src = setting.contentsource[1];
document.body.insertBefore(ifr,document.body.firstChild);
},

init:function(setting){
if(document.getElementById(setting.id)==null) return; //防止延迟载入js时焦点区因独占广告而删除    
var persistedpage=this.getCookie("fcspersist"+setting.id) || 1;
var urlselectedpage=this.urlparamselect(setting.id); //returns null or index from: mypage.htm?featuredcontentsliderid=index
this.settingcaches[setting.id]=setting; //存储 "setting" 对象
setting.contentdivs=[];
setting.toclinks=[];
setting.topzindex=0;
setting.currentpage=urlselectedpage || ((this.enablepersist)? persistedpage : 1);//默认显示模块
setting.prevpage=setting.currentpage;
setting.revealtype="on"+(setting.revealtype || "click");
setting.curopacity=0;
setting.onChange=setting.onChange || function(){};
if (setting.contentsource[0]=="inline")//直接页面调用div
this.buildpaginate(setting);
if (setting.contentsource[0]=="ajax")//调用外部utf-8页面内容
this.ajaxconnect(setting);
if (setting.contentsource[0]=="iframe")//调用外部页面内容，主要以iframe形式获取，获取iframe内标签，主要解决非utf-8的内容
this.iframeconnect(setting);
}

}
;//init：("anchorID", "positionString", glideduration, "revealBehavior") 位置：("left-bottom", "right-bottom", "left-top", or "right-top") 

var dropdowncontent={
disableanchorlink: false, //设置是否click产生链接 true为不产生链接
hidedivmouseout: [true, 200], //设置激发产生的层显示的默认时间：[hide_div_onmouseover ？miliseconds_before_hiding]
ajaxloadingmsg: "请稍候…", //ajax页面的时候的载入文字
ajaxbustcache: false, //是否缓存

getposOffset:function(what, offsettype){
return (what.offsetParent)? what[offsettype]+this.getposOffset(what.offsetParent, offsettype) : what[offsettype]
},

isContained:function(m, e){
var e=window.event || e
var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
if (c==m)
return true
else
return false
},

show:function(anchorobj, subobj, e){
if (!this.isContained(anchorobj, e) || (e && e.type=="click")){
var e=window.event || e
if (e.type=="click" && subobj.style.visibility=="visible"){
subobj.style.visibility="hidden"
return
}
var horizontaloffset=(subobj.dropposition[0]=="left")? -(subobj.offsetWidth-anchorobj.offsetWidth) : 0 //calculate user added horizontal offset
var verticaloffset=(subobj.dropposition[1]=="top")? -subobj.offsetHeight : anchorobj.offsetHeight //calculate user added vertical offset
subobj.style.left=this.getposOffset(anchorobj, "offsetLeft") + horizontaloffset + "px"
subobj.style.top=this.getposOffset(anchorobj, "offsetTop")+verticaloffset+"px"
subobj.style.clip=(subobj.dropposition[1]=="top")? "rect(auto auto auto 0)" : "rect(0 auto 0 0)" //hide drop down box initially via clipping
subobj.style.visibility="visible"
subobj.startTime=new Date().getTime()
subobj.contentheight=parseInt(subobj.offsetHeight)
if (typeof window["hidetimer_"+subobj.id]!="undefined") //clear timer that hides drop down box?
clearTimeout(window["hidetimer_"+subobj.id])
this.slideengine(subobj, (subobj.dropposition[1]=="top")? "up" : "down")
}
},

curveincrement:function(percent){
return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
},

slideengine:function(obj, direction){
var elapsed=new Date().getTime()-obj.startTime //get time animation has run
if (elapsed<obj.glidetime){ //if time run is less than specified length
var distancepercent=(direction=="down")? this.curveincrement(elapsed/obj.glidetime) : 1-this.curveincrement(elapsed/obj.glidetime)
var currentclip=(distancepercent*obj.contentheight)+"px"
obj.style.clip=(direction=="down")? "rect(0 auto "+currentclip+" 0)" : "rect("+currentclip+" auto auto 0)"
window["glidetimer_"+obj.id]=setTimeout(function(){dropdowncontent.slideengine(obj, direction)}, 10)
}
else{ //if animation finished
obj.style.clip="rect(0 auto auto 0)"
}
},

hide:function(activeobj, subobj, e){
if (!dropdowncontent.isContained(activeobj, e)){
window["hidetimer_"+subobj.id]=setTimeout(function(){
subobj.style.visibility="hidden"
subobj.style.left=subobj.style.top=0
clearTimeout(window["glidetimer_"+subobj.id])
}, dropdowncontent.hidedivmouseout[1])
}
},

hidediv:function(subobjid){
document.getElementById(subobjid).style.visibility="hidden"
},

ajaxconnect:function(pageurl, divId){
var page_request = false
var bustcacheparameter=""
if (window.XMLHttpRequest) // if Mozilla, IE7, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE6 or below
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
document.getElementById(divId).innerHTML=this.ajaxloadingmsg //Display "fetching page message"
page_request.onreadystatechange=function(){dropdowncontent.loadpage(page_request, divId)}
if (this.ajaxbustcache) //if bust caching of external page
bustcacheparameter=(pageurl.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', pageurl+bustcacheparameter, true)
page_request.send(null)
},

loadpage:function(page_request, divId){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
document.getElementById(divId).innerHTML=page_request.responseText
}
},

init:function(anchorid, pos, glidetime, revealbehavior){
var anchorobj=document.getElementById(anchorid)
var subobj=document.getElementById(anchorobj.getAttribute("rel"))
var subobjsource=anchorobj.getAttribute("rev")
if (subobjsource!=null && subobjsource!="")
this.ajaxconnect(subobjsource, anchorobj.getAttribute("rel"))
subobj.dropposition=pos.split("-")
subobj.glidetime=glidetime || 1000
subobj.style.left=subobj.style.top=0
if (typeof revealbehavior=="undefined" || revealbehavior=="mouseover"){
anchorobj.onmouseover=function(e){dropdowncontent.show(this, subobj, e)}
anchorobj.onmouseout=function(e){dropdowncontent.hide(subobj, subobj, e)}
if (this.disableanchorlink) anchorobj.onclick=function(){return false}
}
else
anchorobj.onclick=function(e){dropdowncontent.show(this, subobj, e); return false}
if (this.hidedivmouseout[0]==true) //hide drop down DIV when mouse rolls out of it?
subobj.onmouseout=function(e){dropdowncontent.hide(this, subobj, e)}
}
}