function popup(url, w, h) {
	window.open(url, "popup", "toolbar=yes,location=yes,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,height=" + h + ",width=" + w);
}
function popup_image(url, w, h) {
	window.open(url, "popup", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,height=" + (h+30+15) + ",width=" + w);
}
function popup_text(url, w, h) {
	window.open(url, "popup", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,height=" + h + ",width=" + w);
}