function show(n) {
	//hideAll();
	document.getElementById("div1").style.display="none"
	document.getElementById("div19").style.display="block";
}

function showHide(n,p){
	if (p==1) document.getElementById("div"+n).style.display="block";
	if (p==0) document.getElementById("div"+n).style.display="none";
}


//function showHide(n,p){
//	var w=n;
//	for(var i=0; i<19; i++) {
//	if (w=n) document.getElementById("div"+n).style.display="block";
//	else document.getElementById("div"+n).style.display="none";
//	}
	//if (p==0) document.getElementById("div"+n).style.display="none";
	//document.getElementById("div"+n).style.display="block";
	//if (p==0) document.getElementById("div"+n).style.display="none";
//}

function hideAll(n) {
	document.getElementById("div1").style.display="none";
}

function show_div(n) {
//if	(n.charAt(1)=='0') {	//clicked on a new hint, so close all others
//var divs = document.getElementsByTagName('div');
//	for(var i=0; i<divs.length; i++)
//	if (divs[i].id.length==2)
//	divs[i].style.display="none";
//		}
		//open selected
		document.getElementById('').style.display="block";
}