function popUpCentre(adresse,largeur,hauteur,nomFenetre){
	var w=largeur;
	var h=hauteur;
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	window.open(adresse,nomFenetre,'scrollbars=yes,resizable=yes,width='+w+',height='+h+',top='+wint+',left='+winl);
}
function montreBloc(identifiant){
	var x = document.getElementById(identifiant);
	show_template(identifiant);
	var typeNoeud=x.nodeName;
	if(typeNoeud=='TR' || typeNoeud=='tr'){
		if(navigator.appName=='Netscape') x.style.display='table-row';
		else x.style.display='inline';
	}
	else{
		x.style.display='block';
	}
	x.style.visibility='visible';
	
}
function cacheBloc(identifiant){
	var x = document.getElementById(identifiant);
	hide_template(identifiant);
	x.style.display='none';
	x.style.visibility='hidden';	
}
function change_lang(id_lang){
	window.document.forms["langue"].front_lang.value=id_lang;
	window.document.forms["langue"].submit();
}
function show_template(name_div){
	$("#"+name_div).show("slow");
}
function hide_template(name_div){
	$("#"+name_div).hide("slow");
}
function redirect(url){  
	window.location.href = url;  
}