function zoom(image_id,image_extension,kategorie,page) {
		zoom_view = window.open("../galerie_zoom.php4?gi_id=" + image_id + "&extension_b=" + image_extension + "&gc_id=" + kategorie + "&current_page=" + page, "littleWindow", "toolbar=no, location=no, status=no, menubar=no, scrollbars=no, resizable=no, width=645, height=710, screenX=100, screenY=100");
	zoom_view.focus();
	}