function doNothing() {
    return true;
}

function toggle(showHideDiv, focusCtl) {
    //If an error is encountered, do nothing
    window.onerror = doNothing;

    var ele = document.getElementById(showHideDiv);
    if (ele.style.display == "block") {
        ele.style.display = "none";
    }
    else {
        ele.style.display = "block";
        document.getElementById(focusCtl).focus()
    }
}
function toggletwo(showDiv, hideDiv, focusCtl) {
    toggle(showDiv, focusCtl)
    toggle(hideDiv, focusCtl)
}