Sending XML Data to Site so that an iframe opens

Hello Experts,
I am trying to intergrate a payment solution to my webite.  I have a php/mysql Web site, on a iis server,  The payment site has little experience with php they do things in asp.  The payment solution should after transfer of xml data open a payment window in an iframe.  I how ever cannot get it to accept the XML data that I have written.  I cannot use CURL so my question is how would I send my xml data to the site?

I tried to implement it into a form but that did not work either.  I am like a rock, I think it has something to do with httprequest but after reading all the different variations js asp ajax etc., I am really at a loss to how to do this.  

The XML file has data for acess and the price at checkout from a previous php form this I must send as a XML before the page loads.
Here is the php part that makes up the xml format used:
 
//hash Secret word move to another script after test and use include
$hsw = '1111111111';                        //Secret word
$sp = md5($hsw);                            // Hash Secret word
$pid = '123456789012345678901234567890123'; //profile id
$amount = $sczpesum;  // Amount in Euros
$id     = $kdnbestn;  // Order Number 
$cur = 978;
$udf1 = $kdnkdnr;  //Customer Number
$udf2 = $kdnipnr;  //I.P. Number
$udf3 = $SCZDRNO;  //Drawing Number
 
$xml = '<Transaction hash="'.$hsw.'">
<ProfileID>'.$pid.'</ProfileID>
<Value>'.$amount.'</Value>
<Curr>'.$cur.'</Curr>
<Lang>en</Lang>
<ORef>T'.$id.'</ORef>
<RedirectionURL>http://www.mysite.com/engpay2.php</RedirectionURL>
<UDF1>'.$udf1.'</UDF1>
<UDF2>'.$udf2.'</UDF2>
<UDF3>'.$udf3.'</UDF3>
<ActionType>1</ActionType>
</Transaction>';
$md5 = md5($xml);
 
$xml = '<Transaction hash="'.$hsw.'">
<ProfileID>'.$pid.'</ProfileID>
<Value>'.$amount.'</Value>
<Curr>'.$cur.'</Curr>
<Lang>en</Lang>
<ORef>T'.$id.'</ORef>
<RedirectionURL>http://www.mysite.com/engpay2.php</RedirectionURL>
<UDF1>'.$udf1.'</UDF1>
<UDF2>'.$udf2.'</UDF2>
<UDF3>'.$udf3.'</UDF3>
<ActionType>1</ActionType>
</Transaction>';
 
$xml = htmlspecialchars($xml);
 
Here is the iframe:
 
 <iframe src ="https://www.apsp.biz/pay/FP4/checkout.aspx" width="650" height="540" >
 
 </iframe>   
 
I tried to implement it into a form but taht did not work either.

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swedesamuraiAsked:
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Melih SARICAOwnerCommented:
U cant send that data to iframe..

What u can do is to create an HTTPRequest and post data tothat URL u use in iframe..
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swedesamuraiAuthor Commented:
How?
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Ray PaseurCommented:
This might be a good place to learn about AJAX.  I think the author of this is Lerdorf, of PHP fame, but I am not sure.  It's not a 30-second read, but it shows the moving parts of AJAX in elegant simplicity.

HTH, ~Ray
I find a lot of this AJAX stuff a bit of a hype.  Lots of people have
been using similar things long before it became "AJAX".  And it really
isn't as complicated as a lot of people make it out to be.  Here is a
simple example from one of my apps.  
 
/* THE JAVASCRIPT TO CREATE THE AJAX INFRASTRUCTURE */
/* FUNCTION TO CREATE THE BROWSER-DEPENDENT REQUEST OBJECT */
function createRequestObject() 
{
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer")
    {
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else
    {
        ro = new XMLHttpRequest();
    }
    return ro;
}
 
 
/* FUNCTION TO SEND THE REQUEST */
function sendReq(action) 
{
    http.open('get', 'ajaxprocessor.php?action='+action);
    http.onreadystatechange = handleResponse;
    http.send(null);
}
 
 
/* FUNCTION TO HANDLE THE RESPONSE */
function handleResponse()
{
    if(http.readyState == 4)
    {
        var response = http.responseText;
        var update = new Array();
 
        if(response.indexOf('|' != -1))
        {
            update = response.split('|');
            document.getElementById(update[0]).innerHTML = update[1];
        }
    }
}
 
 
/* CREATE THE OBJECT */
var http = createRequestObject();
 
/* END OF THE JAVASCRIPT */
 
This creates a request object along with a send request and handle
response function.  So to actually use it, you could include this js in
your page.  Then to make one of these backend requests you would tie it
to something.  Like an onclick event or a straight href like this:
 
<a href="javascript:sendReq('foo')">[Foo]</a>
 
That means that when someone clicks on that link what actually happens
is that a backend request to ajaxprocessor.php?action=foo will be sent.
 
In ajaxprocessor.php you might have something like this:
 
/* THE PHP TO HANDLE THE REQUEST FROM THE FRONT-END SCRIPT */
switch($_GET['action']) 
{
    case 'foo':
      // DO WHATEVER PROCESSING IS APPROPRIATE
      // THEN RETURN A RESPONSE STRING TO handleResponse()
      echo "foo|Foo done";
      break;
      // ETC...
}
 
Now, look at handleResponse.  It parses the "foo|Foo done" string and
splits it on the '|' and uses whatever is before the '|' as the dom
element id in your page and the part after as the new innerHTML of that
element.  That means if you have a div tag like this in your page:
 
<div id="foo">Waiting for Foo</div>
 
Once you click on that link, that will dynamically be changed to:
 
<div id="foo">Foo done</div>
 
That's all there is to it.  Everything else is just building on top of
this.  Replacing my simple response "id|text" syntax with a richer XML
format and making the request much more complicated as well.  Before you
blindly install large "AJAX" libraries, have a go at rolling your own
functionality so you know exactly how it works and you only make it as
complicated as you need.  Often you do not need much more than what I
have shown here.
 
Expanding this approach a bit to send multiple parameters in the
request, for example, would be really simple.  Something like:
 
function sendReqArg(action,arg) 
{
    http.open('get', 'ajaxprocessor.php?action='+action+'&arg='+arg);
    http.onreadystatechange = handleResponse;
    http.send(null);
}
 
And your handleResponse can easily be expanded to do more interesting 
things than just replacing the contents of a div.
 
-Rasmus (Lerdorf?)

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swedesamuraiAuthor Commented:
Pointed me in the right direction thanks!
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