<!--
    function affichepopUp(cible)
    {
    document.getElementById(cible).style.visibility='visible';
    }
    function masquepopUp(cible)
    {
    document.getElementById(cible).style.visibility='hidden';
    }

function emailVerifie (emailStr) {
/* The following pattern is used to check if the entered e-mail address
   fits the user@domain format.  It also is used to separate the username
   from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special
   characters.  We don't want to allow special characters in the address. 
   These characters include ( ) < > @ , ; : \ " . [ ]    */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a 
   username or domainname.  It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
   which case, there are no rules about which characters are allowed
   and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
   is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
   rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
   e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
   non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
   For example, in john.doe@somewhere.com, john and doe are words.
   Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


/* Finally, let's start trying to figure out if the supplied address is
   valid. */

/* Begin with the coarse pattern to simply break up user@domain into
   different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't
     even fit the general mould of a valid e-mail address. */
	alert("Votre adresse email semble incorrecte (verifier @ et .)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid 
if (user.match(userPat)==null) {
    // user is not valid
    alert("La partie gauche de votre adresse email semble incorrecte.")
    return false
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
   host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("l'adresse IP du destinataire est invalide!")
		return false
	    }
    }
    return true
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("le nom de domaine(partie droite) de l'adresse email ne semble pas valide.")
    return false
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding 
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   alert("l'adresse doit se terminer par 2 ou 3 lettres correspondant au pays.")
   return false
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   var errStr="Il manque le nom d'hote à cette adresse!"
   alert(errStr)
   return false
}

// If we've gotten this far, everything's valid!
return true;
}
//  End 

function VerifieChamp(item) {
returnVal=false

if (item.value=="") 
	alert("SVP le champ " + item.name +" doit être rempli" )
else
	returnVal=true

return returnVal
}


function verifieenvoyerami() {
ok=true
theform=document.forms["formulaireenvoyerami"];

if (ok==true) {
	ok=VerifieChamp(theform.nom);
	}

if (ok==true)  {
	ok=emailVerifie(theform.email.value);
	}				
return ok;

}

 function LancerRequeteAjax(url,type) {
    var http_request = false;
        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // Voir la note ci-dessous à propos de cette ligne
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Abandon :( Impossible de créer une instance XMLHTTP');
            return false;
        }
		//alert(annonce)


				http_request.onreadystatechange = function() { alertResultats(http_request,"reponseenvoyerami"); };
		
			 
       http_request.open('GET', url, true);
        http_request.send(null);

    }

	function attendreUnpeu(nomdiv,duree) {
	string="effaceDonnee('"+nomdiv+"')";
	a=setTimeout(string,duree)
	}

	function effaceDonnee(nomdiv) {
	
	var nombre = document.getElementById(nomdiv).childNodes.length;
	if (nombre>0) {
		var noeud=document.getElementById(nomdiv).firstChild;
		disparu = document.getElementById(nomdiv).removeChild(noeud);
		}
		
	if (document.getElementById("envoyeraminom")) {
  	document.getElementById("envoyeraminom").value="";
  	document.getElementById("envoyeramiemail").value="";
  	masquepopUp('popUp1')
  	}
	}
	
    function alertResultats(http_request,nomdiv) {
		okemail=false;

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
				//alert(http_request.responseText);
				//eval(http_request.responseText);
				 var tmp = http_request.responseText; 
				if(typeof(tmp) != "undefined") { 
					eval(tmp); 
					} 
				if ((oktelephone=="vrai")||(oktelephone=="faux")) {
					if (oktelephone=="faux"){ 
						//alert("votre pseudo est deja pris");
						var nombre = document.getElementById(nomdiv).childNodes.length;
						if (nombre>0) {
							var noeud=document.getElementById(nomdiv).firstChild;
							disparu = document.getElementById(nomdiv).removeChild(noeud);
							}
						document.getElementById(nomdiv).appendChild(document.createTextNode("Pb : Pas envoyé"));
						}
					else {
						//alert("votre pseudo est libre");
						var nombre = document.getElementById(nomdiv).childNodes.length;
						if (nombre>0) {
							var noeud=document.getElementById(nomdiv).firstChild;
							disparu = document.getElementById(nomdiv).removeChild(noeud);
							}
						document.getElementById(nomdiv).appendChild(document.createTextNode("Envoyé"));
						attendreUnpeu(nomdiv,1500);
						
						}
					}
 
               
            } else {
                alert('Un problème est survenu avec la requête.');
            }
        }
		

    }

//-->