// JavaScript Document
function closePopup( popupName) {
	document.getElementById('popupBg').style.display = 'none';
	document.getElementById('popupContener1').style.display = 'none';
	document.getElementById('popupContener2').style.display = 'none';
	document.getElementById(popupName).style.display = 'none';
}
function openPopup( popupName) {
	document.getElementById('popupBg').style.display = 'block';
	document.getElementById('popupContener1').style.display = 'block'; 
	document.getElementById('popupContener2').style.display = 'block'; 
	document.getElementById(popupName).style.display = 'block';
	var yBody = document.body.scrollHeight + 10; /* offset supplémentaire pour FF */
	var yElement = document.documentElement.clientHeight;
  if (yBody <= yElement) {
		document.getElementById('popupBg').style.height = yElement+'px';
	} else {
		document.getElementById('popupBg').style.height = yBody+'px';
	}
}