// From | prototype.js | www.conio.net 
function $() {
    var elements = new Array();

    for (var i = 0; i < arguments.length; i++) {
        var element = arguments[i];

        if (typeof element == 'string')
            element = document.getElementById(element);

        if (arguments.length == 1)
            return element;

        elements.push(element);
    }

    return elements;
}



function toggleTab( element ) {
    var tab = $(element);

    if (tab) {
        tab.style.display = ((tab.style.display != 'block') ? 'block' : 'none');
    }
}