var xa=screen.availwidth;
var ya=screen.availHeight;
function bookmark () {if (document.all) {	window.external.AddFavorite ('http://www.maghrebtourism.com','Reservations hotels et sejours');	}else {alert("Sous Netscape, pour ajouter Maghreb Tourism à vos favoris, il vous suffit d'appuyer sur Ctrl + D.");}}
function CheckTheEmail() {if (!isEmail(document.em1.emailoffre.value)){alert("Cette adresse email est non valide");document.em1.emailoffre.value="";document.em1.emailoffre.focus(); return false;}return true;}
function VersionNavigateur(Netscape, Explorer) {if ((navigator.appVersion.substring(0,3) >= Netscape && navigator.appName == 'Netscape') || (navigator.appVersion.substring(0,3) >= Explorer && navigator.appName.substring(0,9) == 'Microsoft')) return true; else return false;}
function fenetre(url,target,h,w){	window.open (url,target,"dependent,width="+w+",height="+h+",status=no,directories=no,toolbar=no,resizable=no,scrollbars=yes");}

function fenetre2(url,target,h,w){	window.open (url,target,"dependent,width="+w+",height="+h+",status=no,directories=no,toolbar=no,resizable=no,scrollbars=yes");}

function fenetre_3(x){
window.open(x,"presentation","menubar=no,scrollbars=yes,width=465,height=350,resizable=0");
}

function exec(i){
 if (document.F_meteo.ville.options[i].value != '--'){
   fenetre_3(document.F_meteo.ville.options[i].value)
   }
}