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Automatically function for a form on webpage without click on button

Here is my code for going to the Paypal payment gateway for the item after a click on the "Buy Now" Button, But I want this function to be without even click on the "Buy Now" button, my meaning is when then webpage opened automatically go to the Paypal payment gateway without a click on "Buy Now" button. Is it possible? Any guidance will be very helpful.
<script type="text/javascript" src="https://test.com/java.js"></script>
<form target="PayPal" action="https://www.paypal.com/cgi-bin/webscr" method="post" style="margin:0;padding:0;">
<input type="hidden" name="business" value="test#yahoo.com">
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="item_name" value="Membership">
<input type="hidden" name="item_number" value="1 Month">
<input type="hidden" name="amount" value="23">
<input type="hidden" name="currency_code" value="USD">
<input type="hidden" name="shipping" value="">
<input type="hidden" name="shipping2" value="">
<input type="hidden" name="handling" value="">
<input type="hidden" name="return" value="https://test.com/Successful_Payment.php">
<input type="hidden" name="cancel_return" value="">
<input type="hidden" name="undefined_quantity" value="0">
<input type="hidden" name="receiver_email" value="test#yahoo.com">
<input type="hidden" name="no_shipping" value="1">
<input type="hidden" name="no_note" value="0">
<div id="PayPal6" style="position:absolute;left:445px;top:470px;width:134px;height:65px;">
<input type="image" name="submit" src="images/buynow.png" style="position:absolute;left:0px;top:0px;" alt="Make payments with PayPal, it's fast, free, and secure!">
</div>
</form>

U can achieve that by JavaScript:
window.onload = function(){
// u should put a name for your form
document.forms['my_form_name'].submit();
}
EDIT: You could also submit the PayPal submit button instead of the form:
window.onload = function(){
document.getElementById('paypalButton').submit();
}

Form not being submitted with correct data

I have a form for a quiz that has 3 different inputs. Number of questions, and two types of tests. i am modifying existing code that works fine but we want the layout different which requires it to be coded differently. this is the version that isn't working. Basically I need the number of questions and category to be sent with the button clicked. For some reason it isn't sending either. Any help would be great, thanks!
<strong>Questions</strong>
<select name="num_questions">
{section name=foo start=10 loop=31}
<option value={$smarty.section.foo.index}>{$smarty.section.foo.index}</option>
{/section}
</select>
</div>
<select onchange="$('.questions_{$c.categorynum}').val(this.value);" name="category">
{foreach from=$categories item=c}
{if ($c.categorynum != 1 and $c.categorynum < 8)}
<div class="questiontitle" style="float:left;">
<option value={$c.categorynum}><strong>{$c.name}</strong></option>
</div>
{/if}
{/foreach}
</select>
<form action="test.php" method="post" style="float:left;">
<input type="submit" value="Create Exam" name="create" style="margin:0 3px;"/>
<input type="hidden" name="category" class="category" value="{$c.categorynum}"/>
<input type="hidden" class="questions_{$c.categorynum}" name="num_questions" value="10"/>
</form>
<form action="simulation.php" method="post" style="float:left;">
<input type="submit" name="flashcard" value="Flash Cards" style="margin:0 3px;"/>
<input type="hidden" name="create" value="1"/>
<input type="hidden" name="category" value="{$c.categorynum}"/>
<input type="hidden" class="questions_{$c.categorynum}" name="numquestions" value="10"/>
</form>

Clear all data and turn back to default settings

Goal:
When I clickon the clear all button and the data inside of the input box should be empthy and the dropdownlist should go back to default settings that is year 2009.
Problem:
I don't know how to do in order to make the dropdownlist to go back to default when you have pressed the button?
Info:
Please remember that I do not want to make any big changes in the current javascript/jquery sourcecode because it is used in production phase.
I would like to make a complementary to the current source code.
I tried using <input type="reset" value="Clear alll" name="clear_all"> but it doesn't work in long term with the current source code.
Thanks!
http://jsbin.com/qezesohake/edit?html,js,console,output
function df(data) {
$(data).find(':input').each(function () {
switch (this.type) {
case 'text':
case 'textarea':
$(this).val('');
break;
}
});
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<form action=""" method="post">
<fieldset>
<input id="aaa" type="text" value="" />
<input id="bbb" type="text" value="" />
<select id="year">
<option value="2010">2010</option>
<option value="2009" selected="selected">2009</option>
<option value="2008">2008</option>
</select>
</fieldset>
<input type="button" value="Clear alll" name="clear_all" onclick="df(this.form)" />
</form>

<form action="#" method="post">
<fieldset>
<input id="aaa" type="text" value="" />
<input id="bbb" type="text" value="" />
<select id="year">
<option value="2010">2010</option>
<option value="2009" selected="selected">2009</option>
<option value="2008">2008</option>
</select>
</fieldset>
<input type="reset" value="Clear alll" name="clear_all" onclick="doSomething()">
</form>
<script>
function doSomething(){
alert('Do something!');
}
</script>

You don't need any javascript to clear form instead just replace your input type to reset button
<input type="reset" value="Clear all" name="clear_all"/>

Reset button does not require any onClick event to be passed. It works automatically.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<form action=""" method="post">
<fieldset>
<input id="aaa" type="text" value="" />
<input id="bbb" type="text" value="" />
<select id="year">
<option value="2010">2010</option>
<option value="2009" selected="selected">2009</option>
<option value="2008">2008</option>
</select>
</fieldset>
<input type="reset" value="Clear alll" name="clear_all" />
</form>

checkbox onclick event loads as if checked

When I load the page both forms are displayed. If I check and then uncheck "add" the second form disappears. How do I make this page load with form 2 hidden on load?
<html>
<title>Car Service</title>
<strong>Car Service:</strong><br><br>
<input type="submit" id="accountsearch" name="accountsearch" value="Select Customer" onclick="window.open('selectaccount.php');"><br><br>
<form name="newservicesetup" id="newservicesetup" action="" method="post">
<select name="ordertype" id="ordertype">
<option>(Select Service)</option>
<option value="Service">Service</option>
<option value="ServiceHardware">Service w/ Hardware</option>
</select>
<input type="text" name="qty1" id="qty1" value="Quantity" size="5" onclick="this.value=''">
<input type="checkbox" id="add" value="0" name="add" onclick="
if (this.checked) {
document.getElementById('newservicesetup1').style.display='inline';
} else {
document.getElementById('newservicesetup1').style.display='none'; } return true;" >
</form>
<form name="newservicesetup1" id="newservicesetup1" action="" method="post">
<select name="ordertype1" id="ordertype1">
<option>(Select Service)</option>
<option value="Service">Service</option>
<option value="ServiceHardware">Service w/ Hardware</option>
</select>
<input type="text" name="qty2" id="qty2" value="Quantity" size="5" onclick="this.value=''">
</form>
<br>
XX: <input type="file" name="sfa" id="sfa">
AA1: <input type="file" name="pbxws" id="pbxws"><br> <br>
<input type="submit" name="next" id="next" value="Next">

set the second forms css class to hidden or something like that and then define .hidden in your css to be display:none. Or put style='display:none' t ostart with on the second form

Change your second form tag to read this....
<form name="newservicesetup1" id="newservicesetup1" action="" method="post" style="display:none;">

Forced selection in hidden / Backend using Javascript OR JQuery

I have regular form like this.
<form action="/domainchecker.php" method="post">
<input type="text" name="domain" size="20">
<fieldset>
<select name="ext">
<option>.com</option>
<option>.net</option>
<option>.org</option>
<option>.us</option>
<option>.info</option>
<option>.biz</option>
<option>.mobi</option>
<option>.name</option>
<option>.tv</option>
<option>.me</option>
</select>
</fieldset>
<input type="submit" value="Go">
</form>
This selectbox enables to select only one option.
What I want is Forced selection in hidden / backend for the first 5 options regardless user select it or not.
How can I achieve this using JavaScript OR JQuery ?
Thanks.

Since you are using PHP you can try this:
<form action="/domainchecker.php" method="post">
<input type="hidden" name="ext[]" value=".com">
<input type="hidden" name="ext[]" value=".net">
<input type="hidden" name="ext[]" value=".org">
<input type="hidden" name="ext[]" value=".us">
<input type="hidden" name="ext[]" value=".info">
<input type="text" name="domain" size="20">
<fieldset>
<select name="ext[]">
<option>.com</option>
<option>.net</option>
<option>.org</option>
<option>.us</option>
<option>.info</option>
<option>.biz</option>
<option>.mobi</option>
<option>.name</option>
<option>.tv</option>
<option>.me</option>
</select>
</fieldset>
<input type="submit" value="Go">
</form>
Note the brackets in the fields' names. In your PHP script you'll need something like:
$extensions = $_POST['ext'];
foreach ($extensions as $ext) {
#do something
}
Note that the $extensions array will contain duplicates if the user selected one of the first 5 entries in the dropdown.
You can also use checkboxes instead of a dropdown like this:
<form action="/domainchecker.php" method="post">
<input type="text" name="domain" size="20">
<fieldset>
<input type="checkbox" name="ext[]" value=".com" selected="true">
<input type="checkbox" name="ext[]" value=".net" selected="true">
<input type="checkbox" name="ext[]" value=".org" selected="true">
<input type="checkbox" name="ext[]" value=".us" selected="true">
<input type="checkbox" name="ext[]" value=".info" selected="true">
<input type="checkbox" name="ext[]" value=".biz">
<input type="checkbox" name="ext[]" value=".mobi">
<input type="checkbox" name="ext[]" value=".name">
<input type="checkbox" name="ext[]" value=".tv">
<input type="checkbox" name="ext[]" value=".me">
</select>
</fieldset>
<input type="submit" value="Go">
</form>
The PHP is the same, without the duplicate issue

Add them server-side.

you can't do multiple selection on your select if attribute multiple is not set
like this, then have default selection by setting the option's attribute selected="selected"
<fieldset>
<select name="ext" size="5" multiple="multiple" >
<option>.com</option>
<option>.net</option>
<option selected="selected">.org</option>
<option selected="selected">.us</option>
<option selected="selected">.info</option>
<option>.biz</option>
<option selected="selected">.mobi</option>
<option>.name</option>
<option>.tv</option>
<option>.me</option>
</select>
</fieldset>