// expands and collapses divs and spans (need to pass the ID)
function show(item) { 
 document.getElementById(item).className = "visible";
}
 
function hide(item) { 
 document.getElementById(item).className = "hidden";
}

function showInline(item) {
 document.getElementById(item).className = "inline";
}

function showHide(item) {
   if  (document.getElementById(item).className == "hidden") {
	   document.getElementById(item).className = "visible";
	} else
	if  (document.getElementById(item).className == "visible") {
	   document.getElementById(item).className = "hidden";
	}
}

function showHideInline(item) {
   if  (document.getElementById(item).className == "hidden") {
	   document.getElementById(item).className = "inline";
	} else
	if  (document.getElementById(item).className == "inline") {
	   document.getElementById(item).className = "hidden";
	}
}