function setContainerSize(truc) {
	var navroot = document.getElementById(truc);
	navroot.style.visibility = 'hidden';
	if ( navroot ) {
		var bt = navroot.getElementsByTagName("a");
		var ok = 0; var nok = 0; var globalsize = 0;
		for ( i = 0; i < bt.length; i++ ) {
				//alert(bt[i].clientWidth)
				globalsize += bt[i].offsetWidth;
			}
			
		navroot.style.width = globalsize  + 'px';
	}
	navroot.style.visibility = 'visible';
}
function controlDoc(msg){
		var formulaire = document.getElementById("demandeDoc");
		if(formulaire.name.value == '' || formulaire.soc.value == '' || formulaire.code.value == '' || formulaire.ville.value == '' || formulaire.pays.value == ''  || formulaire.mail.value == '' ){
			alert(msg);
		}else{
			formulaire.submit();
		}
}
function controlQuest1(msg){
	var formulaire = document.getElementById("quizz");
	if(formulaire.age[0].checked == false && formulaire.age[1].checked == false && formulaire.age[2].checked == false){
			alert(msg);
	}else{
		formulaire.submit();
	}		
}

function open1998(){
	if(document.getElementById("div1998").style.display != "block"){
		document.getElementById("div1998").style.display = "block";
	}else{
		document.getElementById("div1998").style.display = "none";
	}

}