function popupWindow(url, win_name, w, h, menu)
{
	var wx = 760;
	var hy = 570;
	var with_menu = 'no';
	
	if (typeof(w) != 'undefined') {
		if (!isNaN(w) && w > 0) {
			wx = w;
		}		
	}
	if (typeof(h) != 'undefined') {
		if (!isNaN(h) && h > 0) {
			hy = h;
		}
	}
	if (typeof(menu) != 'undefined') {
		if (menu == true) {
			with_menu = 'yes';
		}
	}	
	window.open(url, win_name, 'toolbar=no,location=no,directories=no,status=no,menubar=' + with_menu + ',scrollbars=yes,resizable=yes,copyhistory=no,width=' + wx + ',height=' + hy +',screenX=10,screenY=10,top=10,left=10');
}


function montre(id)
{
	with (document)
	{
		if (getElementById)
			getElementById(id).style.display = 'block';
		else if (all)
			all[id].style.display = 'block';
		else
			layers[id].display = 'block';
	}
}

function cache(id)
{
	with (document)
	{
		if (getElementById)
			getElementById(id).style.display = 'none';
		else if (all)
			all[id].style.display = 'none';
		else
			layers[id].display = 'none';
	}
}