function Possible(){
	var form1 = document.getElementById("connexion");
	if (form1.Login.value == "" || form1.Password.value == "") {
		return false; 
	} else {
		return true;
	}
}

function DemandeDAcces() {
	var form = document.forms['choisirform'];
  	if (form.OId.options[form.OId.selectedIndex].value >= "1") {
  		return true;
  	}
 	else {
  		return false;
  	}
}


function demo(){
	var features = 'resizable=yes,screenX=0,screenY=0,left=0,top=0,toolbar=yes,scrollbars=yes,location=no,frameborder=yes,border=yes,status=yes,menubar=no,directories=no';

	parent.open('http://ceante.pleiad.net/ContoleExterieur.html?Login=utildemo&Password=utildemo','Pleiad',features);
}