Ïîïðîáóé ôóíêöèþ onLoad:
<html>
<head>
<title>Sample function</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript">
<!--
function MM_popupMsg(msg) { //v1.0
alert(msg);
}
//-->
</script>
</head>
<body bgcolor="#FFFFFF" onLoad="MM_popupMsg('Sample function.')">
Sample function.
</body>
</html>
Òîëüêî ñêàæó ÷åñòíî ÿ â ñêðèïòàõ íå øàðþ, ïðîñòî øàðþ â Macromedia Dreamweaver, à ñ íèì ýòî äåëî ìîæíî çà ïÿòü êëèêîâ ñäåëàòü.