function mbtToggle( destTab ){

// Switch all tab images to "off" versions
	document.getElementById('mb_tab_ara').src = "/images/mb_tab_ara_off.gif";
	document.getElementById('mb_tab_arp').src = "/images/mb_tab_arp_off.gif";
	document.getElementById('mb_tab_mra').src = "/images/mb_tab_mra_off.gif";
	document.getElementById('mb_tab_mrp').src = "/images/mb_tab_mrp_off.gif";

// Switch selected tab to "on" version
	document.getElementById('mb_tab_' + destTab).src = "/images/mb_tab_" + destTab + "_on.gif";

// Turn off all table titles
	document.getElementById('mbt-title-arp').style.display = 'none';
	document.getElementById('mbt-title-ara').style.display = 'none';
	document.getElementById('mbt-title-mra').style.display = 'none';
	document.getElementById('mbt-title-mrp').style.display = 'none';
	
// Turn on selected table title
	document.getElementById('mbt-title-' + destTab).style.display = 'block';

// Turn off all table contents
	document.getElementById('mbt-content-arp').style.display = 'none';
	document.getElementById('mbt-content-ara').style.display = 'none';
	document.getElementById('mbt-content-mra').style.display = 'none';
	document.getElementById('mbt-content-mrp').style.display = 'none';
	
// Turn on selected table contents
	document.getElementById('mbt-content-' + destTab).style.display = 'block';

/*
// Turn off all tabs
	document.getElementById('tab-arp').className = "";
	document.getElementById('tab-ara').className = "";
	document.getElementById('tab-mrp').className = "";
	document.getElementById('tab-mra').className = "";
	
// Turn on selected tab
	document.getElementById('tab-' + destTab).className = "tabOn";
*/

}