items = new Array('Main','Operational data','AARI news','Conferences','Historical data');links = new Array('info/_brief_eng.html#http://www.aari.ru/info/plist.html','http://www.aari.ru/resources/d0014/np37/default.asp?lang=0#http://www.aari.ru/odata/_d0015.php?lang=1&mod=0&yy=2009','_frame.html#_frame.html#_frame.html','http://www.aari.ru/news/conferences/20100421/info_letter_en.html#news/conferences/conf_210208e.html','gdsidb/data/arctic_ocean/ct_climate.asp#_frame.html#http://www.aari.ru/archive/tiksi/description_e.html');subitems = new Array('General information#Photo gallery (in russian)','North Pole drifting station 37#Review ice charts of the Arctic Ocean','News#Press-release#Meetings','International Science Conference «Marine research in polar areas of the Earth in IPY 2007/08»#75 years since the start of studying and development of NSR','Sea ice climate#Ice map archive#Archive of observations at Tiksi');var id = 0; var sub = 0;
 classes = new Array('ie','op','ff','mz');

 //alert(navigator.userAgent);
 if (navigator.userAgent.indexOf("Firefox") >= 0)
   brId=2;
 else if(navigator.userAgent.indexOf("Opera") >= 0)
   brId=1;
 else if(navigator.userAgent.indexOf("MSIE") >= 0)
   brId=0;
 else
   brId=3;

 defid = 'item'+id.toString();
 defsi = 'si'+sub.toString();

 as=subitems[id].split('#');
 al=links[id].split('#');

 function itemClick(obj){
   //alert(defid+" "+obj.parentNode.id);
   obj.parentNode.className=classes[brId]+'sel';
   ci=parseInt(obj.parentNode.id.substring(4,5));
   s='<ul>';
   as=subitems[ci].split('#');
   al=links[ci].split('#');
   for(i=0;i<as.length;i++)s+='<li id=si'+i.toString()+' class='+classes[brId]+((i==0)?'sel':'')+'><a target=frm onclick="siClick(this);" href='+al[i]+'>'+as[i]+'</a></li>';
   obj.parentNode.innerHTML=s+'</ul>';
   id=parseInt(defid.substring(4,5));
   document.getElementById(defid).innerHTML='<a target="frm" onclick="itemClick(this);" href='+(links[id].indexOf('#')>0?links[id].substring(0,links[id].indexOf('#')):links[id])+' >'+items[id]+'</a>';
   document.getElementById(defid).className=classes[brId];
   defid='item'+ci.toString();
   defsi = 'si0';
   document.title=as[0];
   if(brId>1)
     document.getElementById('head').textContent=items[ci]+' :: '+as[0];
   else
     document.getElementById('head').innerText=items[ci]+' :: '+as[0];
 }

 function siClick(obj){
   if(defsi==obj.parentNode.id)return 0;
   with(document.getElementById('head')){
     if(brId>1){
       textContent=textContent.substring(0,textContent.indexOf(' :: ')+4)+obj.textContent;
       document.title=textContent;
     }else{
       innerText=innerText.substring(0,innerText.indexOf(' :: ')+4)+obj.innerText;
       document.title=obj.innerText;
     }
   }
   id=obj.parentNode.id;
   obj.parentNode.className=classes[brId]+'sel';
   document.getElementById(defsi).className=classes[brId];
   defsi=id;
 }