function toggleBlock( DivID, row )
{
	var oDiv = document.getElementById( DivID );
	var oImgArrow = document.all( DivID + "_arrow" );
	
	if (oDiv.style.display == "")
	{
		oDiv.style.display = "none";		
		oImgArrow.src = "images/rh_flip_down.gif";
		row.title = "Click to expand...";
	}
	else
	{
		oDiv.style.display = "";
		oImgArrow.src = "images/rh_flip_up.gif";
		row.title = "Click to collapse...";
	}
	
	delete oDiv;
	delete oImgArrow;
}