function ToggleElement(Id)
{
    var NewValue;
    var Element = document.getElementById(Id);
   
    if(Element.style.display == 'none')
    {
        if(Element.tagName == 'SPAN')
        {
            NewValue = 'inline';
        }
        else
        {
            NewValue = 'block';
        }
    }
    else
    {
        NewValue = 'none';
    }
    
    document.getElementById(Id).style.display = NewValue;
}