AJAX Issue

I am using AJAX XMLhttprequest to request another page on form submit
and I am loading that page into a span tag. My issue is that I have
more js in the called page that loads a calendar on click of a text
box. This calendar never loads in my page but if I call the page by
itself in a new window javascript works fine, any ideas? See Below
when you call index and click the button the page does not show the
alert, when you call getcall straight the alert shows fine.


index.asp
<form name="new" method="Post"
action="javascript:get(document.getElementById('new'),'new');">
<input type="Submit" name="Submit" value="Enter New Call"><br>
</form>
<span name="call_results" id="call_results"></span>

getcall.asp
<SCRIPT type="text/javascript">
alert("here");
</SCRIPT>

js.
/* AJAX on form submit */
var http_request = false;
function makePOSTRequest(url, parameters) {
http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {
alert('Cannot create XMLHTTP instance');
return false;
}

http_request.onreadystatechange = alertContents;
http_request.open('POST', url, true);
http_request.setRequestHeader("Content-type",
"application/x-www-form-urlencoded");
http_request.setRequestHeader("Content-length", parameters.length);
http_request.setRequestHeader("Connection", "close");
http_request.send(parameters);
toggleT('call_mainscreen','h')
}

function alertContents() {
//if (http_request.readyState == 4) {
//if (http_request.status == 200) {
//alert(http_request.responseText);
// result = http_request.responseText;
// document.getElementById('call_results').innerHTML = result;

//} else {
// alert('There was a problem with the request.');
//}
//}
if (http_request.readyState == 4) {
strResponse = http_request.responseText;
switch (http_request.status) {
// Page-not-found error
case 404:
alert('Error: Not Found. The requested URL ' +
strURL + ' could not be found.');
break;
// Display results in a full window for server-side errors
case 500:
handleErrFullPage(strResponse);
break;
default:
// Call JS alert for custom error or debug messages
if (strResponse.indexOf('Error:') > -1 ||
strResponse.indexOf('Debug:') > -1) {
alert(strResponse);
}
// Call the desired result function
else {
result = http_request.responseText;
document.getElementById('call_results').innerHTML = result;
}
break;
}
}
}
function handleErrFullPage(strIn) {

var errorWin;

// Create new window and display error
try {
errorWin = window.open('', 'errorWin');
errorWin.document.body.innerHTML = strIn;
}
// If pop-up gets blocked, inform user
catch(e) {
alert('An error occurred, but the error message cannot
be' +
' displayed because of your browser\'s pop-up
blocker.\n' +
'Please allow pop-ups from this Web site.');
}
}
function get(obj,itype) {
var poststr = "type=" + itype + "&value=test";
makePOSTRequest('getcall.asp', poststr);
}

.

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