function popupWindow(pageurl, pagename, w, h, scroll) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	var settings  ='height='+h+',';

	settings += 'width='+w+',';
	settings += 'top='+wint+',';
	settings += 'left='+winl+',';
	settings += 'scrollbars='+scroll+',';
	settings += 'resizable=no';

	win = window.open(pageurl, pagename, settings);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
	return false;
}

function confirmDelete(id) {
	var msg = confirm("Are you sure you want to delete user " + id + "?");
	if (msg == true) return 1;
	else return 0;
}