ボタンのプレビュー用にこの機能があり、このコードはすべてのバージョンの IE で機能しますが、IE7 では機能しません。なんで?どうすればこれを解決できますか?
<?php
//////// --- BUTTON BACK : CHARGE THE QUERY OF BEFORE PAGE WHEN WE PRESS BACK ---/////////////
if ( isset($_POST['back'])){
$_SESSION['onpage']=$_SESSION['onpage']-1;
$query_questionset= "select Q.Constructor AS Constructor,
QS.QuestionIDFKPK AS QuestionIDFKPK,
Q.QuestionValue AS QuestionValue,
QS.SortOrder AS SortOrder,
QS.onpage AS onpage
from tbluserset AS US
inner join tblquestionset AS QS ON
US.QuestionSetIDFKPK = QS.QuestionSetIDPK
inner join tblquestion AS Q ON
QS.QuestionIDFKPK = Q.QuestionIDPK
where (US.UserIDFKPK = ".$UserId.")
and (US.UserSetIDPK= '".$_SESSION['UserSetIDPK']."')
and (QS.onpage = '".$_SESSION['onpage']."')
order by QS.SortOrder";
if($_SESSION['onpage']==0){
$_SESSION['controluserupdate']=1;
}//<-END CASE ONPAGE=0
}//<- END POST [BACK]
?>
<script>
function postBack() {
var myForm = document.getElementById("formID");
var backInput = document.createElement("input");
backInput.type = "hidden";
backInput.name = "back";
backInput.value = "1";
myForm.appendChild(backInput);
};
</script>
< html>
..
....
< form id= "formID" name="formID" class="formular" method="post" action= "<?= $url = "QUESTIONAREFINISHING.php"; ?>" accept-charset="utf-8">
<div id="footer"> <!-- DIV FOOTER CONTAINER BUTTONS OUTSIDE BOX QUESTIONAIRE-->
<?php if($_SESSION['onpage'] >=1 && $_SESSION['onpage'] <= $_SESSION['MaxOnPage']-1){ ?>
<div><button class="botonesform" type="hidden" onclick="postBack()" name="back" value="" > ← Back </button ></div>
<input class="botonesform" type="submit" name="submit" onclick="probandosubmit()" value="Forward →" />
<?php } ?>
</div>
</form>
..
..
</html>