Calendar window is not showing the textbox values for the Dynamic rows in html page

My code is here now.When i click on calendar ,value is not showing in textbox please help to me it is very urgent for me

<HTML>
<HEAD>

<TITLE> Add/Remove dynamic rows in HTML table </TITLE>
<script type="text/javascript" src="datepickercontrol.js"></script>
<link type="text/css" rel="stylesheet" href="datepickercontrol.css">
</script>
<script language="JavaScript" type="text/javascript">
window.history.forward(1);
</script>

<script language="JavaScript" src="calendar_us.js"></script>
<link rel="stylesheet" href="calendar.css">
<SCRIPT language="javascript">

function addRow(tableID) {

var table = document.getElementById(tableID);

var rowCount = table.rows.length;

var row = table.insertRow(rowCount);

var colCount = table.rows[0].cells.length;

for(var i=0; i<colCount; i++) {

var newcell = row.insertCell(i);

newcell.innerHTML = table.rows[0].cells[i].innerHTML;

//alert(newcell.childNodes);

switch(newcell.childNodes[0].type) {

case "text":

newcell.childNodes[0].value = "";

break;

case "checkbox":

newcell.childNodes[0].checked = false;

break;

case "select-one":

newcell.childNodes[0].selectedIndex = 0;

break;

}

}

}

function deleteRow(tableID) {

try {

var table = document.getElementById(tableID);

var rowCount = table.rows.length;

for(var i=0; i<rowCount; i++) {

var row = table.rows[i];

var chkbox = row.cells[0].childNodes[0];

if(null != chkbox && true == chkbox.checked) {

if(rowCount <= 1) {

alert("Cannot delete all the rows.");

break;

}

table.deleteRow(i);

rowCount--;

i--;

}

}

}catch(e) {

alert(e);

}

}

</SCRIPT>
<script language="JavaScript">

//Script by Denis Gritcyuk: [email protected]
// Title: Timestamp picker
// Description: See the demo at url
// URL: http://us.geocities.com/tspicker/
// Version: 1.0
// Date: 12-05-2001 (mm-dd-yyyy)
// Author: Denis Gritcyuk <[email protected]>; <[email protected]>
// Notes: Permission given to use this script in any kind of applications if
// header lines are left unchanged. Feel free to contact the author
// for feature requests and/or donations

function show_calendar(str_target, str_datetime) {
var arr_months = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"];
var week_days = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
var n_weekstart = 1; // day week starts from (normally 0 or 1)

var dt_datetime = (str_datetime == null || str_datetime =="" ? new Date() : str2dt(str_datetime));
var dt_prev_month = new Date(dt_datetime);
dt_prev_month.setMonth(dt_datetime.getMonth()-1);
var dt_next_month = new Date(dt_datetime);
dt_next_month.setMonth(dt_datetime.getMonth()+1);
var dt_firstday = new Date(dt_datetime);
dt_firstday.setDate(1);
dt_firstday.setDate(1-(7+dt_firstday.getDay()-n_weekstart)%7);
var dt_lastday = new Date(dt_next_month);
dt_lastday.setDate(0);

// html generation (feel free to tune it for your particular application)
// print calendar header
var str_buffer = new String (
"<html>\n"+
"<head>\n"+
" <title>Calendar</title>\n"+
"</head>\n"+
"<body bgcolor=\"White\">\n"+
"<table class=\"clsOTable\" cellspacing=\"0\" border=\"0\" width=\"100%\">\n"+
"<tr><td bgcolor=\"#4682B4\">\n"+
"<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\" width=\"100%\">\n"+
"<tr>\n <td bgcolor=\"#4682B4\"><a href=\"javascript:window.opener.show_calendar('"+
str_target+"', '"+ dt2dtstr(dt_prev_month)+"'+document.cal.time.value);\">"+
"<img src=\"prev.gif\" width=\"16\" height=\"16\" border=\"0\""+
" alt=\"previous month\"></a></td>\n"+
" <td bgcolor=\"#4682B4\" colspan=\"5\">"+
"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"
+arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</font></td>\n"+
" <td bgcolor=\"#4682B4\" align=\"right\"><a href=\"javascript:window.opener.show_calendar('"
+str_target+"', '"+dt2dtstr(dt_next_month)+"'+document.cal.time.value);\">"+
"<img src=\"next.gif\" width=\"16\" height=\"16\" border=\"0\""+
" alt=\"next month\"></a></td>\n</tr>\n"
);

var dt_current_day = new Date(dt_firstday);
// print weekdays titles
str_buffer += "<tr>\n";
for (var n=0; n<7; n++)
str_buffer += " <td bgcolor=\"#87CEFA\">"+
"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"+
week_days[(n_weekstart+n)%7]+"</font></td>\n";
// print calendar table
str_buffer += "</tr>\n";
while (dt_current_day.getMonth() == dt_datetime.getMonth() ||
dt_current_day.getMonth() == dt_firstday.getMonth()) {
// print row heder
str_buffer += "<tr>\n";
for (var n_current_wday=0; n_current_wday<7; n_current_wday++) {
if (dt_current_day.getDate() == dt_datetime.getDate() &&
dt_current_day.getMonth() == dt_datetime.getMonth())
// print current date
str_buffer += " <td bgcolor=\"#FFB6C1\" align=\"right\">";
else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
// weekend days
str_buffer += " <td bgcolor=\"#DBEAF5\" align=\"right\">";
else
// print working days of current month
str_buffer += " <td bgcolor=\"white\" align=\"right\">";

if (dt_current_day.getMonth() == dt_datetime.getMonth())
// print days of current month
str_buffer += "<a href=\"javascript:window.opener."+str_target+
".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
"<font color=\"black\" face=\"tahoma, verdana\" size=\"2\">";
else
// print days of other months
str_buffer += "<a href=\"javascript:window.opener."+str_target+
".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
"<font color=\"gray\" face=\"tahoma, verdana\" size=\"2\">";
str_buffer += dt_current_day.getDate()+"</font></a></td>\n";
dt_current_day.setDate(dt_current_day.getDate()+1);
}
// print row footer
str_buffer += "</tr>\n";
}
// print calendar footer
str_buffer +=
"<form name=\"cal\">\n<tr><td colspan=\"7\" bgcolor=\"#87CEFA\">"+
"<font color=\"White\" face=\"tahoma, verdana\" size=\"2\">"+
"Time: <input type=\"text\" name=\"time\" value=\""+dt2tmstr(dt_datetime)+
"\" size=\"8\" maxlength=\"8\"></font></td></tr>\n</form>\n" +
"</table>\n" +
"</tr>\n</td>\n</table>\n" +
"</body>\n" +
"</html>\n";

var vWinCal = window.open("", "Calendar",
"width=200,height=250,status=no,resizable=yes,top=200,left=200");
vWinCal.opener = self;
var calc_doc = vWinCal.document;
calc_doc.write (str_buffer);
calc_doc.close();
}
// datetime parsing and formatting routimes. modify them if you wish other datetime format
function str2dt (str_datetime) {
var re_date = /^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/;
if (!re_date.exec(str_datetime))
return alert("Invalid Datetime format: "+ str_datetime);
return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1, RegExp.$4, RegExp.$5, RegExp.$6));
}
function dt2dtstr (dt_datetime) {
return (new String (
dt_datetime.getDate()+"-"+(dt_datetime.getMonth()+1)+"-"+dt_datetime.getFullYear()+" "));
}
function dt2tmstr (dt_datetime) {
return (new String (
dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds()));
}

</script>
</HEAD>
<BODY>
<form name="tstest" >

<INPUT type="button" value="Add Row" onclick="addRow('dataTable')" />

<INPUT type="button" value="Delete Row" onclick="deleteRow('dataTable')" />

<TABLE id="dataTable" width="350px" border="1">

<TR>

<TD><INPUT type="checkbox" name="chk"/></TD>

<TD><input type="Text" name="timestamp" value="">
<a href="javascript:show_calendar('document.tstest.timestamp', document.tstest.timestamp.value);"><img src="cal.gif" width="16" height="16" border="0" alt="Click Here to Pick up the timestamp"></a></TD>

<TD>

<SELECT name="country">

<OPTION value="in">India</OPTION>

<OPTION value="de">Germany</OPTION>

<OPTION value="fr">France</OPTION>

<OPTION value="us">United States</OPTION>

<OPTION value="ch">Switzerland</OPTION>

</SELECT>

</TD>

</TR>

</TABLE>
</form>

</BODY>
</HTML>

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