// JavaScript Document
function openInfoBox(){
 	if (document.getElementById('infoBox').style.display == 'none') {
		document.getElementById('infoBox').style.display = 'block';
		document.getElementById('infoArrow').src = '1_1.jpg';
	}
	else{
		document.getElementById('infoBox').style.display = 'none';
		document.getElementById('infoArrow').src = '1.jpg';
	}
 }
 
 function setPicture(id){
 	document.getElementById('1').style.visibility = 'hidden'; 
	document.getElementById('2').style.visibility = 'hidden'; 
	document.getElementById('3').style.visibility = 'hidden'; 
	document.getElementById('4').style.visibility = 'hidden'; 
	document.getElementById('5').style.visibility = 'hidden';
	document.getElementById('6').style.visibility = 'hidden'; 
	document.getElementById('7').style.visibility = 'hidden'; 
	document.getElementById('8').style.visibility = 'hidden';
	document.getElementById('9').style.visibility = 'hidden';
	document.getElementById('10').style.visibility = 'hidden';
	
	document.getElementById(id).style.visibility = 'visible'; 
 }