function machin (w){
  if(w.servername_s.value!='autre'){
    w.servername.value='';
    w.servername.disabled=true;
  }else{
    w.servername.disabled=false;
  }
}

function truc (b) {
 if((b.user.value!='')&&(((b.servername.value!='')&&(b.servername_s.value=='autre'))||((b.servername.value=='')&&(b.servername_s.value!='autre')))&&(b.mail.value!='')){
    if((b.nom.value=='')||(b.prenom.value=='')||(b.tel.value=='')){
	var coord = "nok";
    }else{
	var coord = "ok";
    }
    if(b.servername.value!=''){
      var a=b.servername.value;
      var test=""+a;
      var count=0;
      for(var i=0;i <  test.length;i++){
         var c=test.substring(i,i+1);
	 if(c=="."){
	   count++;
	 }
      }
     }else{
      var sname = "ok";
     }
     if((b.servername.value!='')&&(count>=2)){
      var sname = "ok";
     }
     var d=b.mail.value;
     var teste=""+d;
     var counte=0;
     for(var j=0;j <  teste.length;j++){
         var t=teste.substring(j,j+1);
	 if(t=="@"){
	   var ma = "ok";
	 }
     }
     
     var e=b.user.value;
     var test2=""+e;
     var count2=0;
     for(var l=0;l <  test2.length;l++){
         var t=test2.substring(l,l+1);
	 if(t==" "){
	   count2++;
	 }
     }
     if(count2!=0){
       var tuse='nok';
     }else{
       var tuse='ok';
     }
     
     if(ma =='ok'){
       if(sname =='ok'){
         if(tuse =='ok'){
	   if(coord =='ok'){
             b.action='enre_inscription_test.php';
             b.method='POST';
             b.submit();
	   }else{
	     alert("Veuillez remplir les champs requis.");
	   }
	 }else{
	   alert("Verifier votre nom d'utilisateur.");
	 }
       }else{
         alert("Votre serveur POP3 n'est pas correct.");
       }
     }else{
       alert("Votre adresse mail n'est pas correcte.");
     }
 }else{
  alert("Veuillez remplir les champs requis.");
 }
}