/*
document.getElementById('menul').style.listStyle="none";
document.getElementById('tutorioli').style.display="none"; // collapse list 
document.getElementById('tutorialsli').style.display="none"; // collapse list 
function toggle(list){ 
var listElementStyle=document.getElementById(list).style; 
if (listElementStyle.display=="none"){ 
listElementStyle.display="block"; 
 }
else{ listElementStyle.display="none"; 
 } 
}
*/


function toggle(which) {
	if(document.getElementById) {	
		 var thisOne = document.getElementById(which) 
		 
		 if(thisOne.style.display=='none' ) { 
		   thisOne.style.display = ''; 
		 }
		 else {
		   thisOne.style.display = 'none'; 
		 }
		 
		 //subWrapperHeight(); 
	}
}


function plusMinus(moreLess) {  
	if (moreLess.innerHTML == '+') { 
		moreLess.innerHTML = '-' 
	}

	else if (moreLess.innerHTML == '-') {
		moreLess.innerHTML = '+'
	}
}