function openWindow(url, w, h) {
	var popupWin = window.open (url, 'popupwindow', 'width='+w+',height='+h+',status=no,menubar=no,resizable=yes,scrollbars=yes');
	popupWin.focus();
}
function showbigimg(url) {
	i = document.getElementById('bigimg');
	if (i) {
		i.src = url;
	}
}