function nobei_futurebox(title,texte,buttonok){
	$('<div id="futurebox" />').appendTo('body');
  	$('<div id="futurebox_bloc" />').appendTo('body');
  	$('<div id="futurebox_head" />').appendTo('#futurebox_bloc');
  	$('<div id="futurebox_center" /><div style="clear:both" />').appendTo('#futurebox_bloc');
  	$('<div id="futurebox_bottom" />').appendTo('#futurebox_bloc');
  	$('<div id="futurebox_close" />').appendTo('#futurebox_head');
  	$('<div id="futurebox_title">'+title+'</div>').appendTo('#futurebox_center');
  	$('<div id="futurebox_text">'+texte+'</div>').appendTo('#futurebox_center');
	if(buttonok)
  		$('<div id="futurebox_ok"><span id="okbtn">ok</span></div>').appendTo('#futurebox_bottom');

	
	//on centre la box
  	centerThis('#futurebox_bloc'); 
	
	//on la place pour l'anim du début
	$("#futurebox_bloc").css('top','100px');
	
	//on centre la box au redimensionement
	$(window).resize(function(){ 
  		centerThis('#futurebox_bloc'); 
	});
	
	//on anime la box
	$('#futurebox_bloc').animate({
		top:(($(window).height() - $('#futurebox_bloc').height()) / 2)
	}, 1000, "easeOutQuad");

	//quand on ferme la box
	$('#futurebox_close, #okbtn').click(function(){
		$('#futurebox_bloc').remove();
		$('#futurebox').fadeOut(1000, function(){
			$('#futurebox').remove();								  
		});							
	});
}

/**
 *	Permet de centrer par rapport au viewport -> partie visuble d'une page dans un navigateur
 */
function centerThis(element) {
	$(element).css({
		'top': (($(window).height() - $(element).height()) / 2),
		'left': (($(window).width() - $(element).width()) / 2)
	});
}
	
	
/**
 *	Permet d'afficher l'élément en pleine ecran
 */
function fullscreen(element) {
	$(element).css({
		'top': 0,
		'left': 0,
		'width': $(window).width(),
		'height': $(window).height() + window.scrollY*2
	});
}