var abs = new Array('ab1', 'ab2', 'ab3', 'ab4');

function showAb(bob, abName)
{
	var abToShow = document.getElementById(abName);

	for(i = 0; i< abs.length; i++)
	{
		// Get the current panel
		var curAb = document.getElementById(abs[i]);

		// If it exists, hide it
		if (curAb != null)
			curAb.style.display = 'none';
	}

	// This line works around a display bug in Gecko-based browsers
	abToShow.style.display = 'inline';

	// Show the panel
	abToShow.style.display = 'block';

	return false;
}