function showHide(DivName, textTag, imgTag) {
    var el = document.getElementById(DivName);
    var a = document.getElementById(textTag);
    var img = document.getElementById(imgTag);
    if (el.style.display == 'block') {
        el.style.display = 'none';
        a.innerText = 'Show';
        img.src = '/icon/16/app/shadow/nav_down_blue.png';
    } else {
    el.style.display = 'block';
    a.innerText = 'Hide';
    img.src = '/icon/16/app/shadow/nav_up_blue.png';
    }
}

function showHideMain() {
    showHide('roundWhiteBox', 'textShowHide', 'imgShowHide');
    fixDivs("leftTable", "mainInnerRight");
}