function ExpandCollection()
{
	var subMenuItems = document.getElementById('subMenuItems');
	var collectionMenuItem = document.getElementById('collectionMenuItem');

	if(collectionMenuExpanded)
	{
		subMenuItems.style.display = 'none';
		collectionMenuItem.className = 'whiteLinks mainLeftMenuItem';
		collectionMenuExpanded = false;
	}
	else
	{
		subMenuItems.style.display = 'block';
		collectionMenuItem.className = 'whiteLinks mainLeftMenuItem_expanded';
		
		collectionMenuExpanded = true;
	}
}