function setStyle(element, styleText) {
    if (element.style.setAttribute)
        element.style.setAttribute("cssText", styleText);
    else
        element.setAttribute("style", styleText);
}
function getStyle(element) {
    var styleText = element.getAttribute('style');
    if (styleText == null)
        return "";
    if (typeof styleText == 'string') // !IE
        return styleText;
    else  // IE
        return styleText.cssText;
}
function expand_collapse(elementID) {
    var element = document.getElementById(elementID);
    var styleText = getStyle(element);
    if (styleText == "")
        setStyle(element, "display: none;");
    else
        setStyle(element, "");
}