function more_info(fileName) {
info_page = window.open("","moreinfo","width=600,height=500,left=200,top=100,resizable=yes,scrollbars=yes,location=no,directories=no,toolbar=yes,status=no,menubar=no,copyhistory=no");
info_page.location.href = fileName;
info_page.focus();
}

function catalog_page(fileName) {
info_page = window.open("","mainpage","width=780,height=580,left=200,top=100,resizable=yes,scrollbars=no,location=no,directories=no,status=no,menuabr=no,copyhistory=no");
info_page.location.href = fileName;
info_page.focus();
}