/* Anti sélection */
function disableselect(e){
return false}
function reEnable(){
return true}
document.onselectstart=new Function ("return false")
if (window.sidebar){
document.onmousedown=disableselect
document.onclick=reEnable}
var Bloquer_Selection = true ;
function disableselect(e){return !Bloquer_Selection;}

/* Anti clic droit */
function ejs_nodroit(){return(false);}
document.oncontextmenu = ejs_nodroit;

/* Descriptions des liens */
function ChangeMessage(message,champ)  {
if(document.getElementById)
document.getElementById(champ).innerHTML = message;}

/* Vérification email */
function VerifForm(formulaire){
adresse = formulaire.f_1.value;
var place = adresse.indexOf("@",1);
var point = adresse.indexOf(".",place+1);
if ((place > -1)&&(adresse.length >2)&&(point > 1)){
formulaire.submit();
return(true);}else{
alert('Entrez une adresse e-mail valide.');
return(false);}}

/* Image aléatoire */
var nbimage= 20;
var width;
var height;
var url;
var alte;
function banniere(){
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10){gotosite = "";url = "images/aleatoire/Image_00.png";alte = "PC";}
if (numimage > 10){gotosite = "";url = "images/aleatoire/Image_01.png";alte = "Laptop";}
if (numimage > 20){gotosite = "";url = "images/aleatoire/Image_02.png";alte = "Laptop";}
if (numimage > 30){gotosite = "";url = "images/aleatoire/Image_03.png";alte = "Laptop";}
if (numimage > 40){gotosite = "";url = "images/aleatoire/Image_04.png";alte = "Laptop";}
if (numimage > 50){gotosite = "";url = "images/aleatoire/Image_05.png";alte = "Laptop";}
if(gotosite != ""){
document.write ('<A HREF="' + gotosite + '">');	}
document.write('<IMG SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != ""){
document.write('</A>')}}