var iconClose = new Image(); iconClose.src = module_url+"/images/icons/close.gif";
var iconOpen = new Image(); iconOpen.src = module_url+"/images/icons/open.gif";

function toggle(id) {
    if (document.getElementById) {
        obj = document.getElementById(id);
    } else {
        if (document.all) {
            obj = document.all[id];
        } else {
            if (document.layers) {
                obj = document.layers[id];
            }
        }
    }
    if (obj) {
        if (obj.style.display == "none") {
            obj.style.display = "";
        } else {
            obj.style.display = "none";
        }
    }
}

function toggleIcon(iconName) {
    if (document.images[iconName].src == window.iconOpen.src) {
        document.images[iconName].src = window.iconClose.src;
    } else {
        if (document.images[iconName].src == window.iconClose.src) {
            document.images[iconName].src = window.iconOpen.src;
        }
    }
}