<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<script language="javascript">
function aa()
{
alert (select1.options[select1.selectedIndex].value);
}
</script>
</HEAD><BODY><select name="select1" onchange="aa()">
<option value="0"></option>
<option value="1">a</option>
<option value="2">b</option>
<option value="3">c</option>
<option value="4">d</option>
<option value="5">e</option>
</select>
</BODY>
</HTML>
<HEAD>
<TITLE> New Document </TITLE>
<script language="javascript">
function aa()
{
alert (select1.options[select1.selectedIndex].value);
}
</script>
</HEAD><BODY><select name="select1" onchange="aa()">
<option value="0"></option>
<option value="1">a</option>
<option value="2">b</option>
<option value="3">c</option>
<option value="4">d</option>
<option value="5">e</option>
</select>
</BODY>
</HTML>
<HEAD>
<TITLE> New Document </TITLE>
</HEAD><BODY>
<script language="JavaScript">
function test() {
if (document.all["hidSel"].selectedIndex == 0) {
document.all["hidSel"].selectedIndex = 1;
} else {
document.all["hidSel"].selectedIndex = 0;
}
if (document.all["hidSel"].selectedIndex == 0) {
alert(111);
}
}
</script>
<select name="select" onclick="test()" id = "Sel">
<option value="1" selected>1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
<select style="display:none" id="hidSel">
<option value="1" selected>1</option>
<option value="2" >2</option>
</BODY>
</HTML>
<script language="JavaScript">
var tt = 1;
function test(it) {
tt = tt?0:1;
if(tt)
{
alert(it.value);
}
}
</script>
<select name="select" onclick="test(this)" id = "Sel">
<option value="1" selected>1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>