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function emailCheck (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 VerifieTexte(item) {
    returnVal=false

    if (item.value=="")
        alert("SVP le champ " + item.name +" doit être rempli" )
    else
        returnVal=true

    return returnVal
}
/* This function is called when user selects file in file dialog */
function jsUpload(upload_field,idstatus,idbutton)
{
    // this is just an example of checking file extensions
    // if you do not need extension checking, remove
    // everything down to line
    // upload_field.form.submit();

    var re_text = /\.txt|\.xml|\.zip|.doc|.xls|.jpg|.pdf/i;
    var filename = upload_field.value;

    /* Checking file type */
    if (filename.search(re_text) == -1)
    {
        alert("Le fichier doit être du type (txt, xml, zip, doc, xls ,pdf ou jpg)");
        upload_field.form.reset();
        return false;
    }

    upload_field.form.submit();

    document.getElementById(idstatus).innerHTML = "...chargement du fichier...";

    upload_field.disabled = true;
    document.getElementById(idbutton).disabled = true;
    return true;
}

function verifiecontact(theform) {
    ok=true
    theform=document.forms["formulairecontact"];

    //if (ok==true) {
    //	ok=VerifieTexte(theform.societe);
    //	}
    if (ok==true) {
        ok=VerifieTexte(theform.nom);
    }
    if (ok==true) {
        ok=VerifieTexte(theform.telephone);
    }
    if (ok==true)  {
        ok=emailCheck(theform.email.value);
    }


    if (ok==true) {
       
        var poststr ="nom=" + encodeURI(  theform.nom.value ) +
        "&prenom=" + encodeURI(  theform.prenom.value ) +
        "&societe=" + encodeURI( theform.societe.value ) +
        "&adresse=" + encodeURI( theform.adresse.value ) +
        "&codepostal=" + encodeURI( theform.codepostal.value ) +
        "&ville=" + encodeURI( theform.ville.value ) +
        "&telephone=" + encodeURI(  theform.telephone.value ) +
        "&email=" + encodeURI(  theform.email.value ) +
        "&message=" + encodeURI(  theform.message.value ) +
        "&nomfichier=" + encodeURI(  theform.filename.value )
        ;

   
        makeRequest("php/envoyermail.php?"+poststr,'envoyermail');
    }

//return ok		
}		

function verifiedevis(theform) {
    ok=true
    theform=document.forms["formulairedevis"];

    //if (ok==true) {
    //	ok=VerifieTexte(theform.societe);
    //	}
    if (ok==true) {
        ok=VerifieTexte(theform.nom);
    }
    if (ok==true) {
        ok=VerifieTexte(theform.telephone);
    }
    if (ok==true)  {
        ok=emailCheck(theform.email.value);
    }


    if (ok==true) {

        theform.submit();
    }

//return ok
}

function testerRadio(radio) {
    for (var i=0; i<radio.length;i++) {
        if (radio[i].checked) {
            theone=i
        }
    }
    return theone;
}



//-->