/* auteur: Alexandre Perron */
/* Date de création: 2007-02-07 */
function Popup(url, w, h, scrollbar) {
	var lpos = (screen.width - w) / 2;
	var tpos = (screen.height - h) / 3;
	params = 'height='+h+',width='+w+',top='+tpos+',left='+lpos+',scrollbars='+scrollbar+',resizable'
	popup = window.open(url, 'popup', params)
	if (parseInt(navigator.appVersion) >= 4) {
		popup.window.focus();
	}
}