displaySubList = function(listId) {
		if (document.getElementById(listId).childNodes[1].style.display=='block') {
			 document.getElementById(listId).childNodes[1].style.display='none'
			 document.getElementById(listId).className=document.getElementById(listId).className.replace(" bulletSubover","");
		} else {
			 document.getElementById(listId).childNodes[1].style.display='block'
			 document.getElementById(listId).className+=" bulletSubover";
		}
}

PopupCentrer = function(page,largeur,hauteur,options) {
    window.open(page,"yourOpinion","width="+largeur+",height="+hauteur+","+options);
}