function toggle(tr) {
	tr = document.getElementById(tr);
	if (tr.style.display == 'none')
		tr.style.display = ''; 
	else
		tr.style.display = 'none'; 
}

function switchscenarios(newId, useTR) {
if (newId != currenttab) {
	newDiv = document.getElementById(newId + 'Div');
	oldDiv = document.getElementById(currenttab + 'Div'); 
	newLayout = document.getElementById(newId + 'Layout');
	oldLayout = document.getElementById(currenttab + 'Layout');
	
	newDiv.style.display = '';
	oldDiv.style.display = 'none';
	newLayout.style.backgroundColor = '#545354';
	oldLayout.style.backgroundColor = '';
	
	if (useTR) {
		newTr = document.getElementById(newId + 'Tr');
		oldTr = document.getElementById(currenttab + 'Tr');
		newTr.style.display = '';
		oldTr.style.display = 'none';
	}
	
	currenttab = newId;
}
}