function toggle_table_row_highlight( row, on_off )
{
	if( row == null )
	{
		return false;
	}

	if( on_off == null )
	{
		on_off = false;
	}

	if( row.className != null )
	{
		if( row.oldClass == null )
		{
			row.oldClass = row.className;
		}

		if( on_off == false )
		{
			row.className = row.oldClass;
			return false;
		}
		else
		{
			row.oldClass = row.className;
			row.className = "std_table_row_hover";
			return false;
		}
	}
	else
	{
		if( row.oldClass == null )
		{
			row.oldClass = row.getAttribute( 'class' );
		}

		if( row.getAttribute( 'class' ) != null )
		{
			if( on_off == false )
			{
				row.setAttribute( 'class', row.oldClass );
			}
			else
			{
				row.oldClass = row.getAttribute( 'class' );
				row.setAttribute( 'class', "std_table_row_hover" );
			}
		}
	}
}