var Browser=new Object();
var navUa=navigator.userAgent.toLowerCase();
Browser.isMozilla=(typeof document.implementation !='undefined')&&(typeof document.implementation.createDocument !='undefined')&&(typeof HTMLDocument!='undefined');
Browser.isIE=window.ActiveXObject ? true : false;
Browser.isFirefox=(navUa.indexOf("firefox")>-1);
Browser.isOpera=(navUa.indexOf("opera")>-1);
Browser.isIE8= (Browser.isIE&&navUa.indexOf("msie 8")>-1);
try {
  document.execCommand('BackgroundImageCache', false, true);
} catch(e) {}
try {
if(top.location != self.location&&top.location.host == self.location.host)
document.write("<style>.showTop,.arkTop{display:none;}</style>");
} catch(e) {}

var arkT=new Object();

function $(){
return document.getElementById($.arguments[0])
}


function QueryString( paramName ){
    var oRegex = new RegExp('[\?&]' + paramName + '=([^&]+)','i') ;
    var oMatch = oRegex.exec(window.location.search) ;
    if (oMatch && oMatch.length>1) return oMatch[1];
    else return null;
}


function addPIndent(){
	var zfs=null;
if(addPIndent.arguments.length>0)
	zfs=$(addPIndent.arguments[0]);
else
	zfs=document;
var p=zfs.getElementsByTagName('p');
var exp=/^(　|\&nbsp\;)/i;
for(var i=0;i<p.length;i++){
if(p[i].style.textIndent==""&&p[i].align!="center"&&p[i].style.textAlign!="center"&&!exp.test(p[i].innerHTML.replace(/<.*?>/ig,""))){
p[i].style.textIndent="2em";
}
}
}

//获取元素的纵坐标
function getTop(e){ 
var offset=e.offsetTop; 
if(e.offsetParent!=null) offset+=getTop(e.offsetParent); 
return offset; 
} 


//获取元素的横坐标 
function getLeft(e){ 
var offset=e.offsetLeft; 
if(e.offsetParent!=null) offset+=getLeft(e.offsetParent); 
return offset; 
}


function setTab(m,n){
var mainCase=0;
 var tli=document.getElementById("menu"+m).getElementsByTagName("li");
 var mli=document.getElementById("main"+m).getElementsByTagName("div");
 for(i=0;i<tli.length;i++){
  if(tli[i].className.search(/\bh\b/) == -1) 
  tli[i].className=i==n?"hover":"";
  else
  mainCase++;
 }
 for(var i=0;i<mli.length;i++){
  if(mli[i].className.search(/\bmC\b/) == -1) continue;
  mli[i].style.display=n==mainCase++?"block":"none";
 }
}

function setEvt(m){
	
	var tli=document.getElementById("menu"+m).getElementsByTagName("a");
	 for(i=0;i<tli.length;i++){
  tli[i].numM=m;
  tli[i].numI=i;
  tli[i].onmouseout=function(){clearTimeout(arkT);}
  tli[i].onmouseover=function(){
	  clearTimeout(arkT);
	  Browser.numM=this.numM;
	  Browser.numI=this.numI
	  arkT=setTimeout("setTab(Browser.numM,Browser.numI);$('arkAbout').innerHTML=document.getElementById('menu'+Browser.numM).getElementsByTagName('a')[Browser.numI].innerHTML",300);};
	 }
	
	}

function g(fn){
var url = "http://www.baidu.com/baidu";
fn.ct.value =fn.search.selectedIndex==1? "2097152":"0";
if(fn.word.value==""){
fn.tn.value=""
fn.word.value="site:"+fn.si.value
}
fn.action = url;
return true;
}

function setCookie(name,value){
var expires=new Date();
var tmpt=3600000*24*365;
if(setCookie.arguments[2])
tmpt=setCookie.arguments[2];
var ms=(value==""||value==" ")?-1:tmpt;
expires.setTime(expires.getTime()+ms);
document.cookie=name+"="+escape(value)+";expires="+expires.toGMTString();
}
function getCookie(name){
var oRegex=new RegExp(name+'=([^;]+)','i');
var oMatch=oRegex.exec(document.cookie);
if(oMatch&&oMatch.length>1)return unescape(oMatch[1]);
else return '';
}

var picdata;
var picNum;
var timeOutPlus=10000;
var lastIndex=0;
var tmpIndex=0;
var CurrentIndex=0;

var gaJsHost;
var pageTracker;
var intervalLoad;
var findErr=0;
/*后加载------------------------------------------------------------*/
function BeginLoadArk(){
	
try{
reTest();
	}catch(e){}
try{showMy();}catch(e){}
//try{intimrq();}catch(e){}
/*LOGO中部*/
try{
$("ark468x60n1").innerHTML='<a href="http://www.shidi.org/i/bloglist.htm" title="加入名录"><img src="/ccimg/2008ml468x60.jpg" border="0" /></a>';
//$("ark468x60n1").innerHTML='<a href="http://www.shidi.org/zt/jingsai/" title="“西溪湿地杯”网络创作竞赛"><img src="/zt/jingsai/image/jingsai468x60.jpg" border="0" /></a>';
}catch(e){}
try{
$("ark468x60n1_bak").innerHTML='<OBJECT classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="468" height="60"><PARAM NAME="movie" VALUE="/ccimg/2008ml.swf"><PARAM NAME="wmode" VALUE="transparent">'
+'<embed src="ccimg/2008ml.swf" type="application/x-shockwave-flash" wmode="transparent" width="468" height="60"></embed>'
+'</OBJECT>';
}catch(e){}
try{
$("ark468x60n4").innerHTML='<a href="http://www.forestry.gov.cn" title="林业局"><img src="/ccimg/flogo.jpg" border="0" /></a>';
}catch(e){}
try{
$("ark468x60n5").innerHTML='<a href="http://www.forestry.gov.cn" title="林业局"><img src="../../ccimg/flogo.gif" border="0" /></a>';
}catch(e){}
/*LOGO中部*/
try{
$("ark468x60n3").innerHTML='<OBJECT classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="468" height="60"><PARAM NAME="movie" VALUE="/ccimg/seesea_468_60.swf"><PARAM NAME="wmode" VALUE="transparent">'
+'<embed src="ccimg/seesea_468_60.swf" type="application/x-shockwave-flash" wmode="transparent" width="468" height="60"></embed>'
+'</OBJECT>';
}catch(e){}
/*LOGO右部*/
try{
	if($("ark168x60n1").style.display!="none")
$("ark168x60n1").innerHTML='<iframe marginwidth="0" marginheight="0" frameborder="0" scrolling="No" src="inc/calendar.htm" width="168" height="60"></iframe>';
}catch(e){}
try{
$("ark168x60n2").innerHTML='<div style="text-align:right;padding:6px 6px 0 0;font-size:14px; font-weight:600;color:#555"><span style="font-size:14px; font-weight:600;color:#f00">湿地中国</span><br>www.shidi.org<br>www.wetland.gov.cn</div>';
}catch(e){}

/*轮显大图片*/
 if($("PicdataJson")){
if(typeof(picdata_json)=="undefined"){
/*
  setTimeout("BeginLoadArk()",timeOutPlus);
  window.status="图片数据加载超时，"+timeOutPlus/1000+"秒后重新加载。";
  timeOutPlus*=2;
  $("PicdataJson").src=$("PicdataJson").src;
*/
picdata_json={"pic":[{"imgText":"红树林湿地","Bimg":"images/bar420.jpg","Simg":"images/bar420.jpg"}]};
  }
else
{
}
 picdata=picdata_json["pic"];
 picNum=Math.min(picdata.length,7);
 CurrentIndex=parseInt(Math.random()*picNum);
preImgObj(CurrentIndex);
tmpIndex=CurrentIndex;
arkPreImg[CurrentIndex]=new Image;
arkPreImg[CurrentIndex].onload=function(){artAltImg();this.onload=null;}
arkPreImg[CurrentIndex].src=picdata[CurrentIndex]["Bimg"];
 }
gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));

intervalLoad=setInterval(function(){
try{_gat}catch(e){findErr=1;}
if(findErr){
findErr=0;
}
else{
pageTracker = _gat._getTracker("UA-5301138-1");
pageTracker._trackPageview();
clearTimeout(intervalLoad);
}
},1000);
	
	
	
}



function artAltImg(){
var sflin='<ul>';
for(var i=1;i<=picNum;i++){
 sflin+='<li id="sfli'+i+'"><a href="javascript:void(setFocus1('+i+'));">'+i+'</a></li>';
}
sflin+='</ul>';
$("setfoc").innerHTML=sflin;
$("a1").onmouseover=stopchange;
$("a2").onmouseover=stopchange;
$("a1").onmouseout=loopchange;
$("a2").onmouseout=loopchange;
$('b1').style.background='#000000';
SetDiv();
}
/*轮显大图片定义------------------------------------------------------*/
var TimerBp=null;
var isFirstLoop=true;
function SetDiv(){
	try{
		$('b1').style.position="relative";
		/*
		$('b1').filters[0].apply();
		$('b1').filters[0].Transition = 23;
		$('b1').filters[0].play();
		*/
	}catch(e){}
filla();

}

if(document.images)
var arkPreImg=new Array();
var zoomImg;

function preImgObj(n){
 var loThisOBJ = document.createElement("img");   
 with(loThisOBJ){
  id="tmpI"+n;
  src = picdata[n]["Bimg"];
  style.cssText="width:410px;height:200px;";
  style.position="absolute";
  style.top="0px";
  style.left="0px";
  style.display="none";
 }
 $('b1').appendChild(loThisOBJ);
 
}

var curpos=0;
function fadepic(a,b){
try{
b.filters[0].opacity=curpos;}
catch(e){
b.style.opacity=curpos/100;
}
if (curpos<110){
curpos+=10;
arkT[fadepic]=setTimeout("fadepic($('tmpI'+tmpIndex),$('tmpI'+CurrentIndex));",60);
}
else{
	if(tmpIndex!=CurrentIndex)
	 a.style.display = 'none';
	 curpos=0;
     tmpIndex=CurrentIndex;
     (CurrentIndex+1)>=picNum?CurrentIndex=0:CurrentIndex++;
	}
}

function filla(){
var tcI=(CurrentIndex<picNum-1)?CurrentIndex+1:0;
if(!$('tmpI'+CurrentIndex))preImgObj(CurrentIndex);
if(!$('tmpI'+tcI)){
arkPreImg[tcI]=new Image;
arkPreImg[tcI].src=picdata[tcI]["Bimg"];
preImgObj(tcI);
}
if(picdata[CurrentIndex]["imgUrl"])
	$('a1').href = picdata[CurrentIndex]["imgUrl"];
else
	$('a1').href = picdata[CurrentIndex]["Bimg"];
	$('a1').innerHTML = picdata[CurrentIndex]["imgText"];
	$('tmpI'+CurrentIndex).style.display = 'block';
	$('tmpI'+tmpIndex).style.zIndex=10;
	$('tmpI'+CurrentIndex).style.zIndex=20;
    fadepic($('tmpI'+tmpIndex),$('tmpI'+CurrentIndex));
	var k = CurrentIndex+1;
	for(var i=1; i<=picNum; i++)
		$('sfli'+i).className=i==k?"focus":"";
	if(Browser.isIE8)
	$("setfoc").innerHTML=$("setfoc").innerHTML;
loopchange();
}
function setFocus1(set){
  clearTimeout(arkT[fadepic]);
  curpos=110;
  fadepic($('tmpI'+tmpIndex),$('tmpI'+CurrentIndex));
	stopchange();
	CurrentIndex = set-1;
	SetDiv();
}
function stopchange(){
  clearTimeout(TimerBp);
}
function loopchange(){
clearTimeout(TimerBp);
TimerBp=setTimeout("SetDiv();",3000);
}


function addActiveObject(objName){
  var tmpObj;
  tmpObj = $(objName);
  tmpObj.innerHTML =tmpObj.innerHTML;
}
function addActiveObject2(objName,srcinnerHTML){
  var tmpObj;
  tmpObj = $(objName);
  tmpObj.innerHTML =srcinnerHTML;
}


// 隐藏列表框
function hiddenList(objid){
       var h = objid.offsetHeight;
	   objid.style.overflow="hidden";
		   var anim = function(){
			     h -= 3; // 每次递减50像素
			     if(h <= 2){
	             objid.style.display="none"; 
		           if(tt){window.clearInterval(tt);}
		       }
		       else{
		           objid.style.height = h + "px";
		       }
		   }
		     
		   var tt = window.setInterval(anim,30); 
}










function showMy(){
var arkMyText='<div style="position:relative;width:380px;height:22px;overflow:visible;"><div id="arkMyBox" style="position:absolute;top:0;left:0;width:320px;padding:0;height:20px;overflow:hidden;"><div style="padding:6px 0 0 16px;"><span id="arkMyTip" style="vertical-align:top;cursor:pointer;" onmouseup="setMyBox();">▼ </span><iframe src="http://e-file.shidi.org/tools/arkmy.htm" scrolling="no" allowTransparency = "true" frameborder="0" width="280" height="60"></iframe></div><div style="height:12px;line-height:10px;font:8px Verdana,Arial;text-align:center;border-top:1px solid #333333" onmouseover="setMyBox();">▲ </div></div></div>';
$("arkMy").innerHTML=arkMyText;

}
var setMyBox=function(){
if($("arkMyTip").innerHTML=="▼ "){
$("arkMyTip").innerHTML="▲ ";
$('arkMyBox').style.height='80px';
$('arkMyBox').style.background='#ecf3e1';
$('arkMyBox').style.border='1px solid #333333';}
else{
$("arkMyTip").innerHTML="▼ ";
$('arkMyBox').style.height='20px';
$('arkMyBox').style.background='';
$('arkMyBox').style.border='none';
}
}






var mrqInterval=new Object;
var mrqn,limrq,lml;
function liMarquee(){
	limrq.scrollTop++;
	if(limrq.scrollTop%36==0){
		clearInterval(mrqInterval[0]);
		}
	}
function nxtmrq(){
	if(mrqn<lml){
		mrqInterval[0]=window.setInterval("liMarquee()",20);
		mrqn+=2;
		}
	else{
		limrq.scrollTop=0;
		mrqn=0;
		nxtmrq();
		}
	}
function intimrq(){
	limrq=$("arkEm");
	lml=limrq.getElementsByTagName("li").length;
	limrq.innerHTML+=limrq.innerHTML;
	limrq.scrollTop=0;
	mrqn=0;
	mrqInterval[1]="";
	clearInterval(mrqInterval[1]);
	mrqInterval[1]=window.setInterval("nxtmrq()",6000);
limrq.onmouseover=function(){
	clearInterval(mrqInterval[1]);
	}
limrq.onmouseout=function(){
	mrqInterval[1]=window.setInterval("nxtmrq()",6000);
	}
	}



function arkShowDate(){
if($("arkDateSo")){
	return;
	}
	var aSDhtml='<center><iframe marginwidth="0" marginheight="0" src="http://e-file.shidi.org/tools/calendar.htm" frameborder="0" width="310" height="48" scrolling="No"></iframe></center>';
	aSDhtml+='<div class="blank10"> </div><div class="blank15"> </div>';
    aSDhtml+='<div class="dateSo" id="arkDateSo"></div>'; 
	$("arkDate").innerHTML=aSDhtml;
	window.setTimeout("var s=document.createElement('script');s.setAttribute('src','js/date.js');s.setAttribute('id','arkFavJs');s.setAttribute('type','text/javascript');s.setAttribute('charset','utf-8');document.getElementsByTagName('head')[0].appendChild(s);",0);
	}


function checkForm1(){
if(document.Form1.review.value.length>1&&document.Form1.review.value.length<500)
return true;
alert("评论太短或太长！"+document.Form1.review.value.length);
return false;
}