function filePreview(sitePath, fileRootPath, fileSitePath, title) {
	window.open(sitePath + "/file_preview.php?file_root_path=" + fileRootPath + "&file_site_path=" + fileSitePath + "&title=" + title, "Preview", "width=800,height=600,resizable=yes,menubar=no,toolbar=no,status=no,location=no,scrollbars=yes");
}