var bTranState = 0;

function fnToggle() {
    try {
        document.getElementById("oTransContainer").filters[0].Apply();

        switch (bTranState) {
            case 0:
                oDIV1.style.visibility = "visible";
                oDIV2.style.visibility = "hidden";
                oDIV3.style.visibility = "hidden";
                oDIV4.style.visibility = "hidden";
                oDIV5.style.visibility = "hidden";
                break;

            case 1:
                oDIV1.style.visibility = "hidden";
                oDIV2.style.visibility = "visible";
                oDIV3.style.visibility = "hidden";
                oDIV4.style.visibility = "hidden";
                oDIV5.style.visibility = "hidden";
                break;

            case 2:
                oDIV1.style.visibility = "hidden";
                oDIV2.style.visibility = "visible";
                oDIV3.style.visibility = "visible";
                oDIV4.style.visibility = "hidden";
                oDIV5.style.visibility = "hidden";
                break;

            case 3:
                oDIV1.style.visibility = "hidden";
                oDIV2.style.visibility = "visible";
                oDIV3.style.visibility = "visible";
                oDIV4.style.visibility = "visible";
                oDIV5.style.visibility = "hidden";
                break;

            case 4:
                oDIV1.style.visibility = "hidden";
                oDIV2.style.visibility = "visible";
                oDIV3.style.visibility = "visible";
                oDIV4.style.visibility = "visible";
                oDIV5.style.visibility = "visible";
                break;
        }
        ++bTranState;
        bTranState = bTranState % 5;

        oTransContainer.filters[0].Play();
    }
    catch (e) {
        // Ignore errors
    }
}

window.setInterval(fnToggle, 2000);