deleting items from droplist

TJS

if country other than us is selected, I want to show only wire transfer as
payment option.
can someone help me get this "deleteoptions" code to work ?

==========================================
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body bgcolor="#FFFFFF">

<script language="javascript">
function setPayment(obj) {
var indx = obj.options[obj.selectedIndex].value;
if (indx != "US") {
var obj2 = document.orderform.idPayment;
deleteOptions(obj2);
}
}

function deleteOptions(obj2) {
while (obj2.options.length>1) {
deleteIndex=obj2.options.length-1;
//alert(obj2.options[deleteIndex].value );
if (obj2.options[deleteIndex].value != "11") {
obj2.options[deleteIndex]=null;
}
}
}

</script>
<form METHOD="POST" name="orderform" ">
<TABLE BORDER="0" CELLPADDING="0" WIDTH="590" align="left">
<TD WIDTH="202"> Country </TD>
<TD WIDTH="393">
<SELECT name="countryCode" value="US" onChange="setPayment(this);" >
<OPTION VALUE="US" SELECTED >UNITED STATES( US)</OPTION>
<OPTION VALUE="AD" >ANDORRA( AD)</OPTION>
<OPTION VALUE="AE" >UNITED ARAB EMIRATES( AE)</OPTION>
</SELECT>
</TD>
</TR>
<TR>
<TD colspan="2"><b>Payment </b></TD>
</TR>
<TR>
<TD width="202"> Pay with </TD>
<TD width="393">
<select name="idPayment" size="1">
<option value="5">Credit Card</option>
<option value="9">Check </option>
<option value="11">Wire Transfer</option>
</select>
</TD>
</TR>
</table>
</form>

Jul 23 '05 #1

Subscribe Reply

1443

Rob B

This might arguably be confusing, popping items in & out of a list box.
Users are more accustomed to disablement...

function setPayment(obj)
{
var v = obj.options[obj.selectedIndex].value,
bUS = (v == "US"),
bWire,
r = 0,
rad,
rads = obj.form.elements.idPayment;
while (rad = rads[r++])
{
bWire = (rad.value == '11');
rad.disabled = (!bUS && !bWire);
rad.checked = (!bUS && bWire);
}
}

onload = function()
{//keep things in sync
var el;
if (el = document.getElementById('countryCode'))
el.onchange();
}

<TD WIDTH="393">
<SELECT id="countryCode" name="countryCode" value="US"
onChange="setPayment(this)">
<OPTION VALUE="US" SELECTED="selected" >UNITED STATES(US)</OPTION>
<OPTION VALUE="AD" >ANDORRA(AD)[wire transfer only]</OPTION>
<OPTION VALUE="AE" >UNITED ARAB EMIRATES(AE)[wire transfer
only]</OPTION>
</SELECT>
</TD>
</TR>
<TR>
<TD colspan="2"><b>Payment </b></TD>
</TR>
<TR>
<TD width="202"> Pay with </TD>
<TD width="393">
<label for="iP1"><input id="iP1" type="radio" name="idPayment"
value="5"> Credit card</label>
<label for="iP2"><input id="iP2" type="radio" name="idPayment"
value="9"> Check</label>
<label for="iP3"><input id="iP3" type="radio" name="idPayment"
value="11"> Wire transfer</label>
</TD>

Always back up at the server, of course.

*** Sent via Developersdex http://www.developersdex.com ***
Don't just participate in USENET...get rewarded for it!

Jul 23 '05 #2

RobG

TJS wrote:

if country other than us is selected, I want to show only wire transfer as
payment option.
can someone help me get this "deleteoptions" code to work ?

[...]

As an alternative, why not make the payment methods into radio buttons?
Then users can only select one, and you can easily disable those you
don't want them to check.

If any country other than US is chosen, disable "Credit" and "Check"
and select "Wire transfer".
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Payment</title>
<meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1">
<script language="javascript">
function setPayment(f,v) {
var ele = f.elements;
for (var i=0; i<ele.length; i++) {
if (ele[i].type == "radio") {
if(v != 'US') {
if (ele[i].value == "11" ) {
ele[i].checked = true;
} else {
ele[i].checked = false;
ele[i].disabled = true;
}
} else {
ele[i].disabled = false;
}
}
}
}
</script>
</head>
<body style="font-family: sans-serif;">
<form METHOD="POST" name="orderform" action="">
<table border="0">
<tr>
<td>Country</td>
<td>
<select name="countryCode" value="US" onChange="
setPayment(this.form,this.value);">
<option value="US" selected>United States (US)</option>
<option value="AD">Andorra (AD)</option>
<option value="AE">United Arab Emirates (AE)</option>
</select></label>
</td>
</tr><tr>
<td colspan="2" style="border-bottom: 1px solid blue;
padding: 5 0 0 0;"><b>Payment Method</b></td>
</tr><tr>
<td valign="top" style="padding: 3 0 0 0;">Pay with</td>
<td>
<input type="radio" name="payMethod" value="5"
checked="checked">Credit Card<br>
<input type="radio" name="payMethod" value="9">Check<br>
<input type="radio" name="payMethod" value="11">Wire Transfer<br>
<input type="reset" onclick="
setPayment(this.form,'US');this.blur();">
<td>
</tr>
</table>
</form>
</body>
</html>

Cheers.
--
Rob

Jul 23 '05 #3

TJS

good help, thanks all ..

Jul 23 '05 #4

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