function envoi(){
//pop
largFen=340;
hautFen=560;

fichier="mail.htm";
titre="titre";

largEcran=screen.availWidth-50;
hautEcran=screen.availHeight-50;

posL=0;
posH=0;

posH= 10; posL= largEcran-largFen;

var options = "";
options += "width=" +largFen
options += ",height=" +hautFen
options += ",screenX=" + posL + ",left=" + posL;
options += ",screenY=" +posH + ",top=" + posH;


		options += ",resizable" 
		



nouvFen= window.open(fichier,titre,options)

}