//<![CDATA[
function element(id)
{
    return document.getElementById(id);
}
                        
function FoldSection(contentsId)
    {
    var contentsElement = element(contentsId);
    if (contentsElement.style.display == 'none')
	{
        TransitionShowNode(contentsElement, 'block');
    }
    else if (contentsElement.style.display == 'block' || contentsElement.style.display == '')
    {
	TransitionHideNode(contentsElement, 'none');
}
}

function SlideElement(elementId, show)
{
var slideSpeed = 10;
var slideTimer = 5;
                                
var contents = element(elementId);
var contents_inner = element(elementId + "_inner");
var height = contents.clientHeight;
if (height == 0)
{
height = contents.offsetHeight;
}
height = height + (show ? slideSpeed : -slideSpeed);
                                
var rerun = true;
if (height >= contents_inner.offsetHeight)
{
height = contents_inner.offsetHeight;
rerun = false;
}
else if (height <= 1)
{
height = 1;
rerun = false;
}
                                
contents.style.height = height + 'px';
var topPos = height - contents_inner.offsetHeight;
if (topPos > 0)
{
topPos = 0;
}
contents_inner.style.top = topPos + 'px';
                                
if (rerun)
{
setTimeout("SlideElement('" + elementId + "', " + show + ");", slideTimer);
}
else
{
if (height <= 1)
{
contents.style.display = 'none'; 
}
}
}

function TransitionHideNode(contents, destinationDisplay)
{
SlideElement(contents.id, false);
}

function TransitionShowNode(contents, destinationDisplay)
{
contents.style.display = 'block'; 
SlideElement(contents.id, true);
}
//]]>