function setIdProperty( id, property, value )
{
        var styleObject = document.getElementById( id );
        if (styleObject != null)
        {
            styleObject = styleObject.style;
            styleObject[ property ] = value;
        }
  
}

function swapDiv( divNum, expanding )
{
	if (expanding)
	{
		setIdProperty("c"+divNum, "display", "none");
		setIdProperty("e"+divNum, "display", "inline");
	}
	
	else
	{
		setIdProperty("e"+divNum, "display", "none");
		setIdProperty("c"+divNum, "display", "inline");
	}
}

function switchDiv( divNum, expanding )
{
	if (expanding)
	{
		setIdProperty("d"+divNum, "display", "none");
		setIdProperty("f"+divNum, "display", "inline");
	}
	
	else
	{
		setIdProperty("f"+divNum, "display", "none");
		setIdProperty("d"+divNum, "display", "inline");
	}
}