// expands and collapses submenus
function showSubs(elm,img) { 
	if (document.getElementById(elm).className == "open") { 
		document.getElementById(elm).className = "closed"; 
		document.getElementById(img).style.background = "url(/images/circle_closed.gif) no-repeat 4px 6px"; 
	} else { 
		document.getElementById(elm).className = "open"; 
		document.getElementById(img).style.background = "url(/images/circle_open.gif) no-repeat 4px 6px"; 
	}
}

// expands and collapses menu description spans
function showTip(item) { 
	document.getElementById(item).style.visibility='visible';
	document.getElementById(item).style.display='block';
}

function hideTip(item) { 
	document.getElementById(item).style.visibility='hidden'; 
	document.getElementById(item).style.display='none';
}


//end script