function fct_contenu1(ident){

switch (ident)
   {
      case 1: 
         new Ajax.Updater('contenu1','news.php',{method:'get'});
         break;
		 
	  case 2:
		 new Ajax.Updater('contenu1','bio.php',{method:'get'});
		 break;
                 
	   case 3:
		 new Ajax.Updater('contenu1','concert.php',{method:'get'});
		 break;
		 
		 case 4:
		 new Ajax.Updater('contenu1','tele.php',{method:'get'});
		 break;
		 
		 
		  case 5:
		 new Ajax.Updater('contenu1','texte.php',{method:'get'});
		 break;
		 
		 case 6:
		 new Ajax.Updater('contenu1','liens.php',{method:'get'});
		 break;
		 
		 case 7:
		 new Ajax.Updater('contenu1','chro.php',{method:'get'});
		 break;
		 
		 case 8:
		 new Ajax.Updater('contenu1','univers.php',{method:'get'});
		 break;
   }

}