// VALIDATION AVEC LA TOUCHE ENTER
function checkEnter(e){ //e is event object passed from function invocation
var characterCode //literal character code will be stored in this variable

    if(e && e.which){ //if which property of event object is supported (NN4)
        e = e
        characterCode = e.which //character code is contained in NN4's which property
    }
    else{
        e = event
        characterCode = e.keyCode //character code is contained in IE's keyCode property
    }

    if(characterCode == 13){ //if generated character code is equal to ascii 13 (if enter key)
        document.forms[0].submit() //submit the form
        return false
    }
    else{
        return true
    }
}


// DIAPORAMA AUTOMATIQUE
function nombre() {
    var alea = Math.round(Math.random()*5);
    if (alea == 0) nombre();
   // alert(alea);
   
    return alea;
}

//
// PRECHAREGEMENT IMAGE
var liste_images = new Array('photo_on','visuel1_on','visuel2_on','logo_on','animation_on');
document.image_chargee = new Array();

function prechargement() {
    for ( i = 0; i < liste_images.length; i++ ) {
        document.image_chargee[i] = new Image;
        document.image_chargee[i].src = chemin + liste_images[i] + ext;
    }
}

function timedRefresh(timeoutPeriod) {
    setTimeout("location.reload(true);",timeoutPeriod);
}