function openPopup(url)
{
    var newwindow;
	newwindow=window.open(url,'name','height=700,width=600,resizable=yes,scrollbars=yes,toolbar=yes,menubar=yes');
	if (window.focus) {newwindow.focus()}
}

function ToggleDisplay(id)
{
    var elem = document.getElementById(id);
    if (elem) 
    {
        if (elem.style.display != 'block') 
        {
            elem.style.display = 'block';
            elem.style.visibility = 'visible';
        } 
        else
        {
            elem.style.display = 'none';
            elem.style.visibility = 'hidden';
        }
    }
}