function affich(id){
	if(document.getElementById(id).style.display=='block')
		document.getElementById(id).style.display='none';
	else
		document.getElementById(id).style.display='block';
}


function verifContact(){

	if(document.getElementById('nom').value==""){
		alert(" - Veuillez reseigner votre Nom !");
		return false;
	}
	
	if(document.getElementById('prenom').value==""){
		alert(" - Veuillez reseigner votre Prénom !");
		return false;
	}
	
	if(document.getElementById('mesg').value==""){
		alert(" - Veuillez reseigner le Message !");
		return false;
	}

	if(document.getElementById('email').value!=""){
		return verifmail(document.getElementById('email').value);
	}else{
		alert(" - Veuillez reseigner votre E-mail !");
		return false;	
	}
}

function verifmail(adrr){
  var reg= /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/;
  if(reg.test(adrr)){ return true;}
  else {alert("- E-mail non valide !"); return false; }
}

function display_menu(obj){
	var el = document.getElementById("fils"+obj);
	if(el.style.display != "block"){
		el.style.display = "block";	
		document.getElementById("menu"+obj).className='active';
	}else{
		el.style.display = "none";
		document.getElementById("menu"+obj).className='lien_menu';
	}
}

function verifNews(){
	var elem = document.frm_news.email_news;	
	
	if(elem.value!=""){
		return verifmail(elem.value);
	}else{
		alert(" - Veuillez reseigner votre E-mail !");
		return false;	
	}
}

function display_menu(obj){
	var el = document.getElementById("fils"+obj);
	if(el.style.display != "block"){
		el.style.display = "block";	
		document.getElementById("menu"+obj).className='active';
	}else{
		el.style.display = "none";
		document.getElementById("menu"+obj).className='lien_menu';
	}
}

function display_select(obj){
		var el = document.getElementById(obj);
		if(el.style.display != "block"){
			el.style.display = "block";	
	    	
		}else{
			el.style.display = "none";
			
			
		}
	}
	
function display_select1(obj){
		var el = document.getElementById(obj);
			el.style.display = "block";		
	}
function display_select2(obj){
		var el = document.getElementById(obj);
			el.style.display = "none";		
	}