<html>
<head><title><title>
<script language="javascript">
function CheckIt() {
if (Form1.name.value == '' || Form1.date.value == '') {
var aa; aa = '';
if (Form1.name.value == '') aa = "Name is blank"
if (Form1.date.value == '') aa = aa + '\n' + "Date is blank"
alert(aa);
var w = 380;
var h = 160;
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
window.open("checkit.html","","width="+w+", height="+h+", top="+wint+", left="+winl+"");
} else {
alert("That's it!");
}
}
<script>
<head>
<body>
<center>
<br><br>
<table border=1><tr><td>
<table border=0 align=center bgcolor=ffffe0><tr>
<td align=center colspan=2 height=1><FONT SIZE=2 color=FF0000><i><b>
Enter<a><td><tr>
<tr><td width=5><font size=2>Name<td>
<td>
<form name='Form1' method="post">
<input type=text name='name' value="" size=10><br>
<td><tr>
<tr><td width=10><font size=2>Date:<td><td>
<input type=text name='date' value="" size=6>
<input type="button" value="OK" name="fred" onClick="CheckIt()">
<td><tr><table>
<tr><td><table>
<form>
<body>
<html>