var oDivision = null;

function openSubmenu(sItem)
{
    oDivision = document.getElementById(sItem);

    if(oDivision == null)
        return;

    if(oDivision.style.display == "block")
        oDivision.style.display = "none";
    else
        oDivision.style.display = "block";
}

function showImage(sTargetDiv, sUrl)
{
    var oImageHolder = document.getElementById(sTargetDiv);

    if(oImageHolder == null)
        return;

    oImageHolder.style.display = "inline";
    oImageHolder.style.background = "url('" + sUrl + "') no-repeat center center";
}

function clearInputField(p_oField)
{
    if(p_oField.value ==  p_oField.defaultValue)
        p_oField.value = "";
}