Скрипт начал некорректно работать в Google Chrome

function remove(rid){
var rc=document.getElementById('id'+rid);
var dk=document.getElementById('deck');
dk.removeChild(rc);
delcook(rid);
var ec=document.getElementById(rid);
if(ec!=null){
ec.setAttribute('onclick','add('+rid+')');
ec.setAttribute('title','Add to deck');
ec.setAttribute('style',"background-image:url('css/add.png');");}
var ids=getcookie('idcook');
var durl=document.getElementById('deckurl');
ar=ids.split('_');
ecok=false;
for(var i=0;i<ar.length;i++){if(ar[i]==rid){var k=i; ecok=true;}}
if(ecok){ar.splice(k,1);}
durl.innerHTML="deck ("+ar.length+")";
if(ar.length){durl.href="deck.php?ids="+ar.join('_');} else {durl.href="deck.php";}
var cookie_date=new Date();
cookie_date.setTime(cookie_date.getTime()+500000000);
document.cookie="idcook="+ar.join('_')+"; expires="+cookie_date.toGMTString()+"; path=/; domain=ur.f1seclub.st8.ru;";
document.getElementById('zvezdi').innerHTML=sumstar();
}

dk.removeChild(rc);

delcook(rid);

sumstar();