function PrilagodiSirinuSlike() 
{
    if (navigator.appName == "Microsoft Internet Explorer") 
    {
        var ua = navigator.userAgent;
        var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");

        if (re.exec(ua) != null) 
        {
            var rv = parseFloat(RegExp.$1);

            if (rv <= 6.0) 
            {
                if (document.getElementById("ctl00_ContentPlaceHolder1_advSlike_IT0_imgSlika").width > 600) 
                {
                    document.getElementById("ctl00_ContentPlaceHolder1_advSlike_IT0_imgSlika").width = "600";
                }
            }
        }
    }
}

window.onload = PrilagodiSirinuSlike;