function Setsize () {
	var nm_fullH = document.getElementById("page").offsetHeight;
	document.getElementById("lightbox1").style.height = nm_fullH+"px";
	document.getElementById("lightbox2").style.height = nm_fullH+"px";
}

function ShowLB (id) {
	HideallLB();
	var form_1 = document.getElementById("login");
	var form_2 = document.getElementById("inscription");
	document.getElementById("lightbox"+id).style.display = "block";
	if (id ==1) {
		form_1.style.zIndex = "1";
		form_2.style.zIndex = "900";
	} else {
		form_1.style.zIndex = "900";
		form_2.style.zIndex = "1";
	}
}

function HideallLB () {
	for (i=1; i<3; i++) document.getElementById("lightbox"+i).style.display = "none";
}