/*
 * Function to toggle the background colour on li background
 * when hovering a link inside the li tag.
 */
function highlight_leftlink( el )
{
	if( el.state != 1 )
	{
		el.state = 1;
		//el.parentNode.style.background = '#CCCCCC';
	}
	else
	{
		el.state = 0;
		//el.parentNode.style.background = '#FFFFFF';
	}
}

function toggle_leftnav( mid, img )
{
	el = document.getElementById('leftnav_' + mid);

	if( 'none' == el.style.display )
	{
		$(el).show(500);
		img.src = '/images/MinusGrey.gif';
	}
	else
	{
		$(el).hide(500);
		img.src = '/images/PlusGrey.gif';
	}
}