agent = navigator.userAgent;
is_ie5up = 0;
browserOK = 0;
if (navigator.appName == "Netscape" && 
	navigator.appVersion.substring(0,1) >= 2)
{
	browserOK = 1;
}
else 
{
	if (navigator.appName == "Microsoft Internet Explorer")
	{
		if (navigator.appVersion.substring(0,1) >= 4)
		{
			browserOK = 1;
		}

		if (navigator.appVersion.substring(0,1) >= 5)
		{
			is_ie5up = 1;
		}
	}
}

function Highlight(e)
{
    var r = null;
    if (e.parentNode && e.parentNode.parentNode) {
        r = e.parentNode.parentNode;
    }
    else if (e.parentElement && e.parentElement.parentElement) {
        r = e.parentElement.parentElement;
    }
    if (r) {
        if (r.className == "msgrow") {
            r.className = "msgrowx";
        }
    }
}

function Unhighlight(e)
{
    var r = null;
    if (e.parentNode && e.parentNode.parentNode) {
        r = e.parentNode.parentNode;
    }
    else if (e.parentElement && e.parentElement.parentElement) {
        r = e.parentElement.parentElement;
    }
    if (r) {
        if (r.className == "msgrowx") {
            r.className = "msgrow";
        }
    }
}

function UnhilightAll(theForm)
{
	for (i = 0; i < theForm.length; i++)
	{
		var e = theForm.elements[i];
		Unhighlight(e);
	}
}

function Toggle(cb)
{
	if (cb.checked)
		Highlight(cb);
	else
		Unhighlight(cb);
}

function ToggleAll(theForm, cb)
{
	if (cb.checked)
		checkUncheck(theForm, true);
	else
		checkUncheck(theForm, false);
}

function checkUncheck(theForm, xxx)
{
	if (browserOK)
	{
		for (i = 0; i < theForm.length; i++)
		{
			var e = theForm.elements[i];
			e.checked = xxx;

			if (xxx)
				Highlight(e);
			else
				Unhighlight(e);
		}
	}
}

function checkUncheckBox(theForm, name, xxx)
{
	if (browserOK)
	{
		for (i = 0; i < theForm.length; i++)
		{
			var e = theForm.elements[i];
			if ((e.type == "checkbox") && (e.name == name))
			{
				e.checked = xxx;

				if (xxx)
					Highlight(e);
				else
					Unhighlight(e);
			}
		}
	}
}

function isChecked(theForm)
{
    len = theForm.elements.length;
    for (var i = 0; i < len; i++)
    {
        if (theForm.elements[i].checked == true)
            return true;
    }

    return false;
}