function changeBodyBgColor(codeCouleur) {
	var Body = document.getElementById('Body');
	Body.style.backgroundColor = codeCouleur;
}
function openStore() {
	var screenW = screen.width;
	var screenH = screen.height;
	var popupW = 750;
	var popupH = 490;
	var popupX = (screenW-popupW)/2;
	var popupY = (screenH-popupH)/2;
	window.open('store.php','store','width='+popupW+', height='+popupH+', status=no, location=no, menubar=no, resizable=no, scrollbars=yes, toolbar=no, left='+popupX+', top='+popupY+'');
}