/*itineraire*/
function switchProg(p) {
	if(p==0){ return false;}
	else{
	document.getElementById('prog'+p).style.display = (document.getElementById('prog'+p).style.display == "none") ? "block" : "none";}
}

/*AUTRE*/
function rollover(p) {
		p.className = "row3";
	}
	
	function rollout(p,n) {
		p.className = (n=="1") ? "row1" : "row2";
	}
	
	/* controle mail  ----*/
	function verifEmail(mail) 
{
   var ret = true;
   var car = "";
   var carAfter = "";
   var carBefore = "";
   var nbrcar = mail.length;
   var nbrarobase = 0;
   var nbrpoint = 0;
   var goodcar = "@0123456789.-_abcdefghijklmnopqrstuvwxyz";
   for(cnt=0;cnt<nbrcar;cnt++) 
   {
     var car = mail.substr(cnt,1);
     if(goodcar.indexOf(car) >= 0) 
   {
    carAfter = "";
    carBefore = "";
        if(car == "@") 
     {
            if((cnt-1) >= 0) 
       {
               carBefore = mail.substr((cnt-1),1);
             }
      if((cnt+1)<nbrcar) 
       {
         carAfter = mail.substr((cnt+1),1);
       }
            if(cnt>0 && nbrarobase==0 && cnt<(nbrcar-4) && !(carBefore==".") && !(carAfter==".") && !(carBefore=="-") && !(carAfter=="-") && !(carBefore=="_") && !(carAfter=="_")) 
       {
                nbrarobase++;
             } 
      else 
       {
               ret = false;
               break;
       }
          }

    if(car == ".") 
     {
      if((cnt-1) >= 0) 
       {
          carBefore = mail.substr((cnt-1),1);
       }
      if((cnt+1)<nbrcar) 
       {
         carAfter = mail.substr((cnt+1),1);
       }
            if(cnt>0 && cnt<(nbrcar-2) && !(carBefore==".") && !(carAfter==".") && !(carBefore=="-") && !(carAfter=="-") && !(carBefore=="_") && !(carAfter=="_")) 
       {
                nbrpoint++;
             } 
      else 
       {
        ret = false;
        break;
             }
          }
      } 
  else 
   {
         ret = false;
         break;
      }
   }
   if(nbrarobase == 0 || nbrpoint == 0 || mail.substr(0,1) == "." || mail.substr(0,1) == "-" || mail.substr(0,1) == "_" || mail.substr((nbrcar-1),1) == "." || mail.substr((nbrcar-1),1) == "-" || mail.substr((nbrcar-1),1) == "_") 
  {
      ret = false;
    }
   return ret;
}
/*------------------verif mail------------*/
function verif()
{
  var message=" ";
  var test1=0;
  var test2 =0;
  var mail11 = document.envoie_ami.mail1.value;
  var mail2 = document.envoie_ami.mail2.value;
  var testMail1=verifEmail(mail11);
  var testMail2=verifEmail(mail2);
  if ( testMail2 == true ) var test2=1; else message="L adresse e-mail de votre ami(e) est invalide !";
  if ( testMail1 == true ) var test1=1; else message=message+"\n Votre adresse e-mail est invalide !";
  
   if ((test1==0) || (test2 ==0))
  alert(message);
  if ((test1==1) && (test2 ==1)) {document.envoie_ami.submit(); return true;} else return false;
 }