HTML/Java people

Im messing around with my textbooks to sharpen up my skills. i was doing the tutorials, but i cant seem to get this script to prompt. any ideas?

<!DOCTYPE html PUBLIC “-//w3c//DTD XHTML 1.0 Strict//EN”
http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd”>

<!-- borders.html
an example of a switch statement for table border size selection
–>

<html>
<head>
<title> A Switch Statement </title>
</head>
<body>
<script type = “text/javascript”>
<!–
var bordersize;
bordersize = prompt("Select a table border size
" +
"0 (0 pixel border)
" +
"1 (1 pixel border)
" +
"4 (4 pixel border)
" +
"8 (8 pixel border)
");

switch (bordersize) {
case “0”: document.write("<table>");
break;
case “1”: document.write("<table border = ‘1’>");
break;
case “4”: document.write("<table border = ‘4’>");
break;
case “8”: document.write("<table border = ‘8’>");
break;
default: document.write("Error - Invalid choice: ",
bordersize, “<br />”);
}

document.write("<caption> 2001 NFL Divisional Winners </caption>");
document.write("<tr>"
“<th />”,
“<th> American Conference </th>”,
“<th> National Conference </th>”,
“</tr>”,
“<tr>”,
“<th> East </th>”,
“<td> New England Patriots </td>”,
“<td> Philiadelphia Eagles </td>”,
“</tr>”,
“<tr>”,
“<th> Central </th>”,
“<td> Pittsburgh Steelers </td>”,
“<td> Chicago Bears </td>”,
“</tr>”,
“<tr>”,
“<th> West </th>”,
“<td> Oakland Raiders </td>”,
“<td> St. Louis Cardinals </td>”,
“</tr>”,
“</table>”);
// -->
</script>
</body>
</html>

nevermind. i was missing 1 comma at the end of this line…

document.write("<caption> 2001 NFL Divisional Winners </caption>");
document.write("<tr>",