function emgr_open_window(type, file, title, width, height) {
	if (width == 0 && height == 0) {
		width = 640;
		height = 480;
	}

	if (type == 'graphic') {
		var url = file;
	} else {
		if (type == 'video') {
			window_width = width  +  50;
			window_height = height  +  50;
		} else if (type == 'swf') {
			window_width = width  +  50;
			window_height = height  +  50;
		} else if (type == 'text') {
			window_width = width;
			window_height = height;
		} else if (type == 'mp3') {
			window_width = width  +  50;
			window_height = height  +  50;
		} else if (type == 'iframe') {
			window_width = width  +  50;
			window_height = height  +  50;
		}

	 	var url = 'display.php?type=' + type + '&title=' + title + '&file=' + file + '&width=' + width + '&height=' + height + '?KeepThis=true&TB_iframe=true&height=' + window_height + '&width=' + window_width;
	}
	
	
	tb_show(title,url);
}