function outerNavAmount(){
		 	var count = 0;
		 	for(var c=0; c<bodyEl.childNodes.length; c++){
		 		if(bodyEl.childNodes[c].tagName === "NAV"){
		 			count++;		 			
		 		}
		 	}
		 	if(count === 1){
				return true;
			}else if(count > 1){
				return false;
			}else{
				return "neither";
			}
		 }
//If one and only one of BODY'S children is a nav element, return true
If one and only one of BODY'S children is a nav element, return true
If one and only one of BODY ' S children is a nav element return true
function outerNavAmount(){
		 	var count = 0;
		 	for(var c=0; c<bodyEl.childNodes.length; c++){
		 		if(bodyEl.childNodes[c].tagName === "NAV"){
		 			count++;		 			
		 		}
		 	}
		 	if(count === 1){
				return true;
			}else if(count > 1){
				return false;
			}else{
				return "neither";
			}
		 }
function outerNavAmount ( ) { var count = 0 ; for ( var c = 0 ; c < bodyEl . childNodes . length ; c ++ ) { if ( bodyEl . childNodes [ c ] . tagName === "NAV" ) { count ++ ; } } if ( count === 1 ) { return true ; } else if ( count > 1 ) { return false ; } else { return "neither" ; } }
If one and only one of BODY'S children is a nav element, return true
If one and only one of BODY ' S children is a nav element return true