While looping through Object HTMLDivElement, applying ChileNode style zindex giving undefined in firefox and chroome?

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    function setPosition(currentdiv) 
    {
      try {
            for (var i = 0; i < document.getElementById("parentContainer").childNodes.length; i++)
            {

               document.getElementById("parentContainer").childNodes[i].style.zIndex = 0;

             }
             currentdiv.style.zIndex = 1;
           } catch (e) {
                    alert(e.Message);
         }
    }

I am passing Html Div Element in function setPosition and itterating through its child nodes and setting z-index property to zero. Its working fine in IE but giving Undefined in very first itteration in firefox and chroome. Any help ?

asked 24 secs ago

aa003

29

While looping through Object HTMLDivElement, applying ChileNode style zindex giving undefined in firefox and chroome?