/* Help Windows */

var helpPopup = window.createPopup();

function showLoginHelp(helpId, senderId) {
    divHelp = document.getElementById(helpId);
    sender = document.getElementById(senderId);

    var helpPopBody = helpPopup.document.body;
    helpPopBody.style.backgroundColor = "lightyellow";
    helpPopBody.style.border = "solid black 1px";
    helpPopBody.style.padding = "5px";
    helpPopBody.style.fontFamily = "Verdana";
    helpPopBody.style.fontSize = "11px";
    helpPopBody.innerHTML = divHelp.innerHTML;

    // this hidden popup is used to calculate the height
    helpPopup.show(0, 0, 500, 0);

    var realHeight = helpPopBody.scrollHeight;
    // Hides the dimension detector popup object.
    helpPopup.hide();

    // Shows the actual popup object with correct height.
    helpPopup.show(-100, -realHeight / 2, 500, realHeight, sender);
}

function hideHelp() {
    helpPopup.hide();
}