function menu_sel(){
	repertoire_menu='images/menu_fr/';
	if(window.url==undefined) url='';
	if(window.nav==undefined) nav='';
	status_bouton='b_';
	for(i = 0; i < document.images.length; ++i)
	 {
		if(document.images[i].id.substring(0,4) == "menu"){
			if(nav==''){ nav=nom_menu; }//premiere urlrique par défaut
			nom_menu_ret=document.images[i].id.substring(5,document.images[i].id.length);
			if(nom_menu_ret==nom_menu){ status_bouton='bs_';}else{ status_bouton='b_'; }
			document.images[i].src=repertoire_menu+status_bouton+nom_menu_ret+'.gif'; 
			//url:variable capsule, nav:variable persistante générées			
			document.images[i].onclick=function() {document.location="index.php?url="+url+"&nav="+this.id.substring(5,this.id.length);}; 
			document.images[i].onmouseover=function() {this.src=repertoire_menu+'bs_'+this.id.substring(5,this.id.length)+'.gif';};
			document.images[i].onmouseout=function() {if(this.id.substring(5,this.id.length)==nav){ status_bouton='bs_';}else{ status_bouton='b_'; } this.src=repertoire_menu+status_bouton+this.id.substring(5,this.id.length)+'.gif';}; 
		}
	 }
}