/* function to expand/collapse a div */
function tierObject(objectid) {
	obj = document.getElementById(objectid);
	if (obj)
		switchObject(obj);
}

function toggleSwitch(id)
{
	obj = document.getElementById(id);
	if (obj.innerHTML == '[+] ')
	{
		obj.innerHTML = '[ - ] ';
	}
	else if (obj.innerHTML == '[ - ] ')
	{
		obj.innerHTML = '[+] ';
	}
}
function switchObject(id) {
	obj = document.getElementById(id);

	if(obj.style.display == 'none') {
		obj.style.display = 'block';		
		return 'block';
	} else {
		obj.style.display = 'none';
		return 'none';
	}

}

function showObject(objectid) {
	obj = document.getElementById(objectid);
	if(obj.style.display == 'none') {
		obj.style.display = 'block';		
		return 'block';
	} 
}

function hideObject(objectid) {
	obj = document.getElementById(objectid);
	if(obj.style.display == 'block') {
		obj.style.display = 'none';		
		return 'none';
	}
}