function getObj(namevar)
    {
        if (document.getElementById)
        {
            var objekt = document.getElementById(namevar);
        }
        else if (document.all)
        {
            var objekt = document.all[namevar];
        }
        else if (document.layers)
        {
            var objekt = document.layers[namevar];
        }
        return objekt;
    }
    
    function submit_formularza( klawisz )
    {
        if( window.event )
        {
            keynum = klawisz.keyCode; 
        }
        else 
            if( klawisz.which )
            {
                keynum = klawisz.which;
            }
           
        return keynum;
    }
    
    function zmien_styl ( id, klasa )
    {
        this.id = id;
        this.klasa = klasa;
            
        id.className = klasa;
    }