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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 "deleteopti ons" code to work ?

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

<script language="javas cript">
function setPayment(obj) {
var indx = obj.options[obj.selectedInd ex].value;
if (indx != "US") {
var obj2 = document.orderf orm.idPayment;
deleteOptions(o bj2);
}
}

function deleteOptions(o bj2) {
while (obj2.options.l ength>1) {
deleteIndex=obj 2.options.lengt h-1;
//alert(obj2.opti ons[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="countryCo de" value="US" onChange="setPa yment(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">Credi t Card</option>
<option value="9">Check </option>
<option value="11">Wire Transfer</option>
</select>
</TD>
</TR>
</table>
</form>

Jul 23 '05 #1
3 1460


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.selectedInd ex].value,
bUS = (v == "US"),
bWire,
r = 0,
rad,
rads = obj.form.elemen ts.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.getEle mentById('count ryCode'))
el.onchange();
}

<TD WIDTH="393">
<SELECT id="countryCode " name="countryCo de" value="US"
onChange="setPa yment(this)">
<OPTION VALUE="US" SELECTED="selec ted" >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"><inpu t id="iP1" type="radio" name="idPayment "
value="5"> Credit card</label>
<label for="iP2"><inpu t id="iP2" type="radio" name="idPayment "
value="9"> Check</label>
<label for="iP3"><inpu t id="iP3" type="radio" name="idPayment "
value="11"> Wire transfer</label>
</TD>

Always back up at the server, of course.

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Jul 23 '05 #2
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 "deleteopti ons" 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>Paymen t</title>
<meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1">
<script language="javas cript">
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="countryCo de" value="US" onChange="
setPayment(this .form,this.valu e);">
<option value="US" selected>United States (US)</option>
<option value="AD">Ando rra (AD)</option>
<option value="AE">Unit ed Arab Emirates (AE)</option>
</select></label>
</td>
</tr><tr>
<td colspan="2" style="border-bottom: 1px solid blue;
padding: 5 0 0 0;"><b>Paymen t 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="checke d">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');thi s.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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