for (var i=0; i<document.getElementById('nav').getElementsByTagName('a').length; ++i) {
	var link = document.getElementById('nav').getElementsByTagName('a')[i];
	if(link.rel != 'self'){
		link.onclick = function(){ switchurl(this.href);return false; }
	}
}

document.getElementById('bt_adproducts').onmouseover = function(){ showmenu('adproducts',1); }
document.getElementById('bt_adproducts').onmouseout = function(){ showmenu('adproducts',0); }
document.getElementById('bt_adformats').onmouseover = function(){ showmenu('adformats',1); }
document.getElementById('bt_adformats').onmouseout = function(){ showmenu('adformats',0); }
document.getElementById('bt_productsandservices').onmouseover = function(){ showmenu('productsandservices',1); }
document.getElementById('bt_productsandservices').onmouseout = function(){ showmenu('productsandservices',0); }
document.getElementById('bt_adguidelines').onmouseover = function(){ showmenu('adguidelines',1); }
document.getElementById('bt_adguidelines').onmouseout = function(){ showmenu('adguidelines',0); }
document.getElementById('bt_specs').onmouseover = function(){ showmenu('specs',1); }
document.getElementById('bt_specs').onmouseout = function(){ showmenu('specs',0); }

$('ouvrirBulletin').onclick  = function() { ouvrirFormulaire(); }
$('fermerBulletin').onclick  = function() { fermeFormulaire(); }
$('bulletin').onclick = function(){ return _link_externe(this); }