function recherche(chaine){ 
  var i=0 
    var find = window.document.body.createTextRange(); 
        while(find.findText(chaine)!=false) { 
                find.findText(chaine); 
                find.moveStart("character",0); 
                find.findText(chaine); 
                find.pasteHTML("<span class='the'>"+chaine+"</span>"); 
                i++; 
        } 
        window.document.forms["form"].elements["nbr"].value=i+" elements trouves"; 
    } 
function montre(id) {
var d = document.getElementById(id);
	for (var i = 1; i<=17; i++) {
		if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
if (d) {d.style.display='block';}
}