Загрузка данных

<!DOCTYPE html>
<html lang="ru">
<head>
    <meta charset="UTF-8">
    <title>Четыре фрейма</title>
</head>
<frameset rows="50%, 50%" border="5" bordercolor="red">
    <frameset cols="50%, 50%">
        <frame src="page1.htm">
        <frame src="page2.htm">
    </frameset>
    <frameset cols="50%, 50%">
        <frame src="page3.htm">
        <frame src="page4.htm">
    </frameset>
</frameset>
</html>