function open_image(prm_img,prm_text,prm_width,prm_height) {
	if (open_image.arguments.length > 2) {
		wk_width	=	prm_width;
		wk_height	=	prm_height;
	} else {
		wk_width	=	600;
		wk_height	=	480;
	}
	popupImage	=	window.open("../popup_image.php?img=2009_2/images/"+prm_img+"&text="+prm_text,
								"popupImage",
								"width="+wk_width+",height="+wk_height+",menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,hotkeys=no");
	popupImage.focus();
}

function close_image() {
	try {
		if (!popupImage.closed) {
			popupImage.close();
		}
	}
	catch(e) {
	}
}