var ie=(document.all);
var w3=(document.getElementById && !ie);

function zlap_id(nazwa)
{
    if (ie) 
        return eval("document.all."+nazwa);
    else
        return eval("document.getElementById(\""+nazwa+"\")");
}

function goto(addr) {
    var file = new String(addr);
    if (file.length > 0) {
        document.location = file;
    }
}

function pokaz(addr) {
    var file = new String(addr);
    if (file.length > 0) {
        var obrazek = zlap_id('podgladImg');
        obrazek.src = 'zdjecia/duze/' + file;

        var podglad = zlap_id('podglad');
        var podglad_tlo = zlap_id('podglad_tlo');
        var scrOfX = 0, scrOfY = 0;
        if( typeof( window.pageYOffset ) == 'number' ) {
            //Netscape compliant
            scrOfY = window.pageYOffset;
            scrOfX = window.pageXOffset;
        } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
            //DOM compliant
            scrOfY = document.body.scrollTop;
            scrOfX = document.body.scrollLeft;
        } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
            //IE6 standards compliant mode
            scrOfY = document.documentElement.scrollTop;
            scrOfX = document.documentElement.scrollLeft;
        }
        podglad.className = 'podglad';
        podglad_tlo.className = 'podglad_tlo';
        podglad.style.top = scrOfY + 'px';
        podglad.style.left = scrOfX + 'px';
    }
}

function zamknij_podglad() {
    var podglad = zlap_id('podglad');
    podglad.className = 'hidden';
    var podglad_tlo = zlap_id('podglad_tlo');
    podglad_tlo.className = '';
    var obrazek = zlap_id('podgladImg');
    obrazek.src = 'brak';
}