Question : javascript select menu that outputs the text without a submit button

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you selected '3'

Answer : javascript select menu that outputs the text without a submit button

And the main page :

(check line 7, we set iframe source/url with saveToSession2010.php)
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script language="javascript">
  function outputText(o) {
    document.getElementById("outputTextHidden").src = "saveToSession2010.php?sessionVar=" + o.options[o.selectedIndex].value;
  }
</script>
</head>
<body>
<select onchange="outputText(this);">
<option value="">Choose one...</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<br />
<iframe id="outputTextHidden" width="320" height="200" />
</body>
</html>
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