function aanuit(szDivID, iState) { // 1 visible, 0 hidden

    if(document.layers) {   //NN4+
       document.layers[szDivID].display = iState ? "" : "none";
    }
    else if(document.getElementById) {     //gecko(NN6) + IE 5+
        var obj = document.getElementById(szDivID);
        obj.style.display = iState ? "" : "none";
    }
    else if(document.all) {      // IE 4
        document.all[szDivID].style.display = iState ? "" : "none";
    }

}