<INPUT TYPE="checkbox" id="chkReturn">
<SELECT id="s" onchange="return Change()"><option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</SELECT>
<SCRIPT LANGUAGE="JavaScript">
<!--
document.all.s.oldValue = document.all.s.value
function Change(){
document.all.s.value= (document.all.chkReturn.checked)?document.all.s.value:document.all.s.oldValue;
document.all.s.oldValue = document.all.s.value
}
//-->
</SCRIPT>
<SELECT id="s" onchange="return Change()"><option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</SELECT>
<SCRIPT LANGUAGE="JavaScript">
<!--
document.all.s.oldValue = document.all.s.value
function Change(){
document.all.s.value= (document.all.chkReturn.checked)?document.all.s.value:document.all.s.oldValue;
document.all.s.oldValue = document.all.s.value
}
//-->
</SCRIPT>
解决方案 »
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