/**
 * Preload images
 */
preloadImage('menu_first_mouseover', 'images/sitenav/button_first_mouseover.gif');
preloadImage('menu_mid_mouseover', 'images/sitenav/button_mid_mouseover.gif');
preloadImage('menu_last_mouseover', 'images/sitenav/button_last_mouseover.gif');

preloadImage('menu_spacer_mouseover', 'images/groupnav/spacer_mouseover.gif');

if (DomLoaded)
{
	DomLoaded.load(sidebarStretch);
}

function sidebarStretch()
{
	var sidebar = window.document.getElementById('sidebar');
	
	if (sidebar)
	{
		var sidebarHeight = sidebar.clientHeight;
		var sidebarParentHeight = sidebar.parentNode.clientHeight;
		
		if (sidebarParentHeight && sidebarParentHeight < sidebarHeight)
		{
			// IE6 returns type 'string' for minheight ...
			if (typeof sidebar.parentNode.style.minWidth == 'undefined')
			{
				sidebar.parentNode.style.height = sidebarHeight + 'px';
			}
			else
			{
				sidebar.parentNode.style.minHeight = sidebarHeight + 'px';
			}
		}
	}
}