// Wymiary obszaru roboczego okna
function RozmiarIframe(iframe, offset) {
    d=document;
    if (typeof window.innerWidth!='undefined') {
        var winWidth = window.innerWidth;
        var winHeight = window.innerHeight;
    }
    else {
        if (d.documentElement && typeof d.documentElement.clientWidth!='undefined' && d.documentElement.clientWidth!=0) {
            var winWidth = d.documentElement.clientWidth;
            var winHeight = d.documentElement.clientHeight;
        }
        else {
            if (d.body && typeof d.body.clientWidth!='undefined') {
                var winWidth = d.body.clientWidth;
                var winHeight = d.body.clientHeight;
            }
        }
    }
    var ramka;
    ramka = d.getElementById(iframe);
    ramka.height = winHeight-offset;
}

// Zmiana rozmiaru okna
window.onresize = function() {
    RozmiarIframe('ramka', 30);
}

function readCookie(name) {
    var cookiename = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(cookiename) == 0)
            return c.substring(cookiename.length,c.length);
    }
    return null;
}

function adresRamki(iframe, adres) {
    var ramka;
    ramka = document.getElementById(iframe);
    var url = readCookie('url');
    if ((url != '') && (url != null)) {
        ramka.src = url;
    }
    else {
        ramka.src = adres;
    }
    document.cookie = 'url=; path=/';
}