//Prechargement des images 
var change = new Array();
var dir="Images/";
change[0] = new Image();change[0].src = dir+"rub_activite_OFF.gif";
change[1] = new Image();change[1].src = dir+"rub_activite_ON.gif";
change[2] = new Image();change[2].src = dir+"rub_services_OFF.gif";
change[3] = new Image();change[3].src = dir+"rub_services_ON.gif";
change[4] = new Image();change[4].src = dir+"rub_vous_OFF.gif";
change[5] = new Image();change[5].src = dir+"rub_vous_ON.gif";
change[6] = new Image();change[6].src = dir+"rub_nous_OFF.gif";
change[7] = new Image();change[7].src = dir+"rub_nous_ON.gif";
change[8] = new Image();change[8].src = dir+"rub_news_OFF.gif";
change[9] = new Image();change[9].src = dir+"rub_news_ON.gif";

//fonction pour les rollover des images (fonctionne avec ou sans layer)
function roll(nouvelle,imageName) {
  document[imageName].src = change[nouvelle].src;
}


//RollOnN Method of ObjImg
function RollOnN(){
     this.LayerRoll.document[this.ImgName].src = this.ObjPreload.ImgOn.src;
}

//RollOn Method of ObjImg
function RollOn(){
     document[this.ImgName].src = this.ObjPreload.ImgOn.src;
}

//RollOffN Method of ObjImg
function RollOffN(){
     this.LayerRoll.document[this.ImgName].src = this.ObjPreload.ImgOff.src;
}

//RollOff Method of ObjImg
function RollOff(){
     document[this.ImgName].src = this.ObjPreload.ImgOff.src;
}


//test adresse e-mail
function is_email(email)
{
    var reg = /^[\w.-]+@[\w.-]+\.\w{1,4}$/
    var reg2 = /[.@]{2,}/
    return ((reg.exec(email)!=null) && (reg2.exec(email)==null))
}