function okienko(co)
{
    if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 3)
    {
       info = window.open(co, "Info", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=600,height=450,screenX=600,screenY=450,scrollbars=0")
       info.focus()
    }
    else if (navigator.appName == "Microsoft Internet Explorer" && parseInt (navigator.appVersion) >= 4)
    {
       info = window.open(co, "Info", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=auto,width=600,height=450,screenX=600,screenY=450,scrollbars=0")
    }
        else
        {
       info = window.open(co, "Info", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=600,height=450,screenX=600,screenY=450,scrollbars=0")
        }       
}