text element (specialday)directly create on page load works js but when it creates by js doesnot work. i can't understand why it doesnot happen


=============
index.html
=============
Code:
<html>
<head>
<title>untitled</title>
<script type="text/javascript" src="tcal.js" charset="utf-8"></script>
<link rel="stylesheet" href="tcal.css" type="text/css" media="screen" charset="utf-8" />
<script type="text/javascript" language="javascript">

function appendTextInput(formObj) {
if (typeof appendTextInput.count == 'undefined') appendTextInput.count = 1;
if (document.getElementById) {
var txtCtrl = document.createElement('input');
txtCtrl.setAttribute('type','text');
txtCtrl.setAttribute('class','tcal');
txtCtrl.setAttribute('size','12');
formObj.appendChild(txtCtrl);
} else if (document.all) {
var HTML = '<br /><input type="text" size="12" name="text' + appendTextInput.count;
HTML += '" value="text' + appendTextInput.count++ + '">';
formObj.insertAdjacentHTML('beforeEnd', HTML);
}
}

</script>
</head>
<body>
<form name="builder">
<input type=text name=specialday class=tcal size=25 readonly=readonly>
<input type="button" value="New Text Box" onclick="appendTextInput(this.form)">
<br />
</form>
</body>
</html>
============
tcal.js
============
Code:
// Tigra Calendar v5.2 (11/20/2011)
// http://www.softcomplex.com/products/tigra_calendar/
// License: Public Domain... You're welcome.

// default settins - this structure can be moved in separate file in multilangual applications
var A_TCALCONF = {
	'cssprefix'  : 'tcal',
	'months'     : ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
	'weekdays'   : ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
	'longwdays'  : ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
	'yearscroll' : true, // show year scroller
	'weekstart'  : 0, // first day of week: 0-Su or 1-Mo
	'prevyear'   : 'Previous Year',
	'nextyear'   : 'Next Year',
	'prevmonth'  : 'Previous Month',
	'nextmonth'  : 'Next Month',
	'format'     : 'd/m/Y' //'d-m-Y' //'m/d/Y' // 'd-m-Y', Y-m-d', 'l, F jS Y'
};

var A_TCALTOKENS = [
	 // A full numeric representation of a year, 4 digits
	{'t': 'Y', 'r': '19\\d{2}|20\\d{2}', 'p': function (d_date, n_value) { d_date.setFullYear(Number(n_value)); return d_date; }, 'g': function (d_date) { var n_year = d_date.getFullYear(); return n_year; }},
	 // Numeric representation of a month, with leading zeros
	{'t': 'm', 'r': '0?[1-9]|1[0-2]', 'p': function (d_date, n_value) { d_date.setMonth(Number(n_value) - 1); return d_date; }, 'g': function (d_date) { var n_month = d_date.getMonth() + 1; return (n_month < 10 ? '0' : '') + n_month }},
	 // A full textual representation of a month, such as January or March
	{'t': 'F', 'r': A_TCALCONF.months.join('|'), 'p': function (d_date, s_value) { for (var m = 0; m < 12; m++) if (A_TCALCONF.months[m] == s_value) { d_date.setMonth(m); return d_date; }}, 'g': function (d_date) { return A_TCALCONF.months[d_date.getMonth()]; }},
	 // Day of the month, 2 digits with leading zeros
	{'t': 'd', 'r': '0?[1-9]|[12][0-9]|3[01]', 'p': function (d_date, n_value) { d_date.setDate(Number(n_value)); if (d_date.getDate() != n_value) d_date.setDate(0); return d_date }, 'g': function (d_date) { var n_date = d_date.getDate(); return (n_date < 10 ? '0' : '') + n_date; }},
	// Day of the month without leading zeros
	{'t': 'j', 'r': '0?[1-9]|[12][0-9]|3[01]', 'p': function (d_date, n_value) { d_date.setDate(Number(n_value)); if (d_date.getDate() != n_value) d_date.setDate(0); return d_date }, 'g': function (d_date) { var n_date = d_date.getDate(); return n_date; }},
	 // A full textual representation of the day of the week
	{'t': 'l', 'r': A_TCALCONF.longwdays.join('|'), 'p': function (d_date, s_value) { return d_date }, 'g': function (d_date) { return A_TCALCONF.longwdays[d_date.getDay()]; }},
	// English ordinal suffix for the day of the month, 2 characters
	{'t': 'S', 'r': 'st|nd|rd|th', 'p': function (d_date, s_value) { return d_date }, 'g': function (d_date) { n_date = d_date.getDate(); if (n_date % 10 == 1 && n_date != 11) return 'st'; if (n_date % 10 == 2 && n_date != 12) return 'nd'; if (n_date % 10 == 3 && n_date != 13) return 'rd'; return 'th'; }}
	
];

function f_tcalGetHTML (d_date) {

	var e_input = f_tcalGetInputs(true);
	if (!e_input) return;

	var s_pfx = A_TCALCONF.cssprefix,
		s_format = A_TCALCONF.format;

	// today from config or client date
	var d_today = f_tcalParseDate(A_TCALCONF.today, A_TCALCONF.format);
	if (!d_today)
		d_today = f_tcalResetTime(new Date());

	// selected date from input or config or today 
	var d_selected = f_tcalParseDate(e_input.value, s_format);
	if (!d_selected)
		d_selected = f_tcalParseDate(A_TCALCONF.selected, A_TCALCONF.format);
	if (!d_selected)
		d_selected = new Date(d_today);
	
	// show calendar for passed or selected date
	d_date = d_date ? f_tcalResetTime(d_date) : new Date(d_selected);

	var d_firstDay = new Date(d_date);
	d_firstDay.setDate(1);
	d_firstDay.setDate(1 - (7 + d_firstDay.getDay() - A_TCALCONF.weekstart) % 7);

	var a_class, s_html = '<table id="' + s_pfx + 'Controls"><tbody><tr>'
		+ (A_TCALCONF.yearscroll ? '<td id="' + s_pfx + 'PrevYear" ' + f_tcalRelDate(d_date, -1, 'y') + ' title="' + A_TCALCONF.prevyear + '"></td>' : '')
		+ '<td id="' + s_pfx + 'PrevMonth"' + f_tcalRelDate(d_date, -1) + ' title="' + A_TCALCONF.prevmonth + '"></td><th>'
		+ A_TCALCONF.months[d_date.getMonth()] + ' ' + d_date.getFullYear()
		+ '</th><td id="' + s_pfx + 'NextMonth"' + f_tcalRelDate(d_date, 1) + ' title="' + A_TCALCONF.nextmonth + '"></td>'
		+ (A_TCALCONF.yearscroll ? '<td id="' + s_pfx + 'NextYear"' + f_tcalRelDate(d_date, 1, 'y') + ' title="' + A_TCALCONF.nextyear + '"></td>' : '')
		+ '</tr></tbody></table><table id="' + s_pfx + 'Grid"><tbody><tr>';

	// print weekdays titles
	for (var i = 0; i < 7; i++)
		s_html += '<th>' + A_TCALCONF.weekdays[(A_TCALCONF.weekstart + i) % 7] + '</th>';
	s_html += '</tr>' ;

	// print calendar table
	var n_date, n_month, d_current = new Date(d_firstDay);
	while (d_current.getMonth() == d_date.getMonth() ||
		d_current.getMonth() == d_firstDay.getMonth()) {

		s_html +='<tr>';
		for (var n_wday = 0; n_wday < 7; n_wday++) {

			a_class = [];
			n_date  = d_current.getDate();
			n_month = d_current.getMonth();

			if (d_current.getMonth() != d_date.getMonth())
				a_class[a_class.length] = s_pfx + 'OtherMonth';
			if (d_current.getDay() == 0 || d_current.getDay() == 6)
				a_class[a_class.length] = s_pfx + 'Weekend';
			if (d_current.valueOf() == d_today.valueOf())
				a_class[a_class.length] = s_pfx + 'Today';
			if (d_current.valueOf() == d_selected.valueOf())
				a_class[a_class.length] = s_pfx + 'Selected';

			s_html += '<td' + f_tcalRelDate(d_current) + (a_class.length ? ' class="' + a_class.join(' ') + '">' : '>') + n_date + '</td>';
			d_current.setDate(++n_date);
		}
		s_html +='</tr>';
	}
	s_html +='</tbody></table>';

	return s_html;
}

function f_tcalRelDate (d_date, d_diff, s_units) {

	var s_units = (s_units == 'y' ? 'FullYear' : 'Month');
	var d_result = new Date(d_date);
	if (d_diff) {
		d_result['set' + s_units](d_date['get' + s_units]() + d_diff);
		if (d_result.getDate() != d_date.getDate())
			d_result.setDate(0);
	}
	return ' onclick="f_tcalUpdate(' + d_result.valueOf() + (d_diff ? ',1' : '') + ')"';
}

function f_tcalResetTime (d_date) {
	d_date.setMilliseconds(0);
	d_date.setSeconds(0);
	d_date.setMinutes(0);
	d_date.setHours(12);
	return d_date;
}

// closes calendar and returns all inputs to default state
function f_tcalCancel () {
	
	var s_pfx = A_TCALCONF.cssprefix;
	var e_cal = document.getElementById(s_pfx);
	if (e_cal)
		e_cal.style.visibility = '';
	var a_inputs = f_tcalGetInputs();
	for (var n = 0; n < a_inputs.length; n++)
		f_tcalRemoveClass(a_inputs[n], s_pfx + 'Active');
}

function f_tcalUpdate (n_date, b_keepOpen) {

	var e_input = f_tcalGetInputs(true);
	if (!e_input) return;
	
	d_date = new Date(n_date);
	var s_pfx = A_TCALCONF.cssprefix;

	if (b_keepOpen) {
		var e_cal = document.getElementById(s_pfx);
		if (!e_cal || e_cal.style.visibility != 'visible') return;
		e_cal.innerHTML = f_tcalGetHTML(d_date, e_input);
	}
	else {
		e_input.value = f_tcalGenerateDate(d_date, A_TCALCONF.format);
		f_tcalCancel();
	}
}

function f_tcalOnClick () {

	// see if already opened
	var s_pfx = A_TCALCONF.cssprefix;
	var s_activeClass = s_pfx + 'Active';
	var b_close = f_tcalHasClass(this, s_activeClass);

	// close all clalendars
	f_tcalCancel();
	if (b_close) return;

	// get position of input
	f_tcalAddClass(this, s_activeClass);
	
	var n_left = f_getPosition (this, 'Left'),
		n_top  = f_getPosition (this, 'Top') + this.offsetHeight;

	var e_cal = document.getElementById(s_pfx);
	if (!e_cal) {
		e_cal = document.createElement('div');
		e_cal.onselectstart = function () { return false };
		e_cal.id = s_pfx;
		document.getElementsByTagName("body").item(0).appendChild(e_cal);
	}
	e_cal.innerHTML = f_tcalGetHTML(null);
	e_cal.style.top = n_top + 'px';
	e_cal.style.left = (n_left + this.offsetWidth - e_cal.offsetWidth) + 'px';
	e_cal.style.visibility = 'visible';
}

function f_tcalParseDate (s_date, s_format) {

	if (!s_date) return;

	var s_char, s_regexp = '^', a_tokens = {}, a_options, n_token = 0;
	for (var n = 0; n < s_format.length; n++) {
		s_char = s_format.charAt(n);
		if (A_TCALTOKENS_IDX[s_char]) {
			a_tokens[s_char] = ++n_token;
			s_regexp += '(' + A_TCALTOKENS_IDX[s_char]['r'] + ')';
		}
		else if (s_char == ' ')
			s_regexp += '\\s';
		else
			s_regexp += (s_char.match(/[\w\d]/) ? '' : '\\') + s_char;
	}
	var r_date = new RegExp(s_regexp + '$');
	if (!s_date.match(r_date)) return;
	
	var s_val, d_date = f_tcalResetTime(new Date());
	d_date.setDate(1);

	for (n = 0; n < A_TCALTOKENS.length; n++) {
		s_char = A_TCALTOKENS[n]['t'];
		if (!a_tokens[s_char])
			continue;
		s_val = RegExp['$' + a_tokens[s_char]];
		d_date = A_TCALTOKENS[n]['p'](d_date, s_val);
	}
	
	return d_date;
}

function f_tcalGenerateDate (d_date, s_format) {
	
	var s_char, s_date = '';
	for (var n = 0; n < s_format.length; n++) {
		s_char = s_format.charAt(n);
		s_date += A_TCALTOKENS_IDX[s_char] ? A_TCALTOKENS_IDX[s_char]['g'](d_date) : s_char;
	}
	return s_date;
}

function f_tcalGetInputs (b_active) {

	var a_inputs = document.getElementsByTagName('input'),
		e_input, s_rel, a_result = [];

	for (n = 0; n < a_inputs.length; n++) {

		e_input = a_inputs[n];
		if (!e_input.type || e_input.type != 'text')
			continue;

		if (!f_tcalHasClass(e_input, 'tcal'))
			continue;

		if (b_active && f_tcalHasClass(e_input, A_TCALCONF.cssprefix + 'Active'))
			return e_input;

		a_result[a_result.length] = e_input;
	}
	return b_active ? null : a_result;
}

function f_tcalHasClass (e_elem, s_class) {
	var s_classes = e_elem.className;
	if (!s_classes)
		return false;
	var a_classes = s_classes.split(' ');
	for (var n = 0; n < a_classes.length; n++)
		if (a_classes[n] == s_class)
			return true;
	return false;
}

function f_tcalAddClass (e_elem, s_class) {
	if (f_tcalHasClass (e_elem, s_class))
		return;

	var s_classes = e_elem.className;
	e_elem.className = (s_classes ? s_classes + ' ' : '') + s_class;
}

function f_tcalRemoveClass (e_elem, s_class) {
	var s_classes = e_elem.className;
	if (!s_classes || s_classes.indexOf(s_class) == -1)
		return false;

	var a_classes = s_classes.split(' '),
		a_newClasses = [];

	for (var n = 0; n < a_classes.length; n++) {
		if (a_classes[n] == s_class)
			continue;
		a_newClasses[a_newClasses.length] = a_classes[n];
	}
	e_elem.className = a_newClasses.join(' ');
	return true;
}

function f_getPosition (e_elemRef, s_coord) {
	var n_pos = 0, n_offset,
		e_elem = e_elemRef;

	while (e_elem) {
		n_offset = e_elem["offset" + s_coord];
		n_pos += n_offset;
		e_elem = e_elem.offsetParent;
	}

	e_elem = e_elemRef;
	while (e_elem != document.body) {
		n_offset = e_elem["scroll" + s_coord];
		if (n_offset && e_elem.style.overflow == 'scroll')
			n_pos -= n_offset;
		e_elem = e_elem.parentNode;
	}
	return n_pos;
}

function f_tcalInit () {
	
	if (!document.getElementsByTagName)
		return;

	var e_input, a_inputs = f_tcalGetInputs();
	for (var n = 0; n < a_inputs.length; n++) {
		e_input = a_inputs[n];
		e_input.onclick = f_tcalOnClick;
		f_tcalAddClass(e_input, A_TCALCONF.cssprefix + 'Input');
	}
	
	window.A_TCALTOKENS_IDX = {};
	for (n = 0; n < A_TCALTOKENS.length; n++)
		A_TCALTOKENS_IDX[A_TCALTOKENS[n]['t']] = A_TCALTOKENS[n];
}

function f_tcalAddOnload (f_func) {
	if (document.addEventListener) {
		window.addEventListener('load', f_func, false);
	}
	else if (window.attachEvent) {
		window.attachEvent('onload', f_func);
	}
	else {
		var f_onLoad = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = f_func;
		}
		else {
			window.onload = function() {
				f_onLoad();
				f_func();
			}
		}
	}
}

f_tcalAddOnload (f_tcalInit);
===========
tcal.css
===========
Code:
/*
	Stylesheet for Tigra Calendar v5.0
	Product is Public Domain (Free for any kind of applicaiton, customization and derivative works are allowed) 
	URL: http://www.softcomplex.com/products/tigra_calendar/

	- all image paths are relative to path of stylesheet
	- the styles below can be moved into the document or in existing stylesheet

*/

.reg{
	background: url('../img/cal.gif') 100% 50% no-repeat;
	background: #DBEAF5;
	padding-right: 20px;
	cursor: pointer;
}

/* input box in default state */ 
.tcalInput {
	background: url('../img/cal.gif') 100% 50% no-repeat;
	padding-right: 20px;
	cursor: pointer;
}

/* additional properties for input boxe in activated state, above still applies unless in conflict */
.tcalActive {
	background-image: url('../img/no_cal.gif');
}
/* container of calendar's pop-up */
#tcal {
	position: absolute;
	visibility: hidden;
	z-index: 100;
	width: 170px;
	background-color: white;
	margin-top: 2px;
	padding: 0 2px 2px 2px;
	border: 1px solid silver;
	-moz-box-shadow: 3px 3px 4px silver;
	-webkit-box-shadow: 3px 3px 4px silver;
	box-shadow: 3px 3px 4px silver;
	-ms-filter: "progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='silver')";
	filter: progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='silver');
}

/* table containing navigation and current month */
#tcalControls {
	border-collapse: collapse;
	border: 0;
	width: 100%;
}
#tcalControls td {
	border-collapse: collapse;
	border: 0;
	padding: 0;
	width: 16px;
	background-position: 50% 50%;
	background-repeat: no-repeat;
	cursor: pointer;
}
#tcalControls th {
	border-collapse: collapse;
	border: 0;
	padding: 0;
	line-height: 25px;
	font-size: 10px;
	text-align: center;
	font-family: Tahoma, Geneva, sans-serif;
	font-weight: bold;
	white-space: nowrap;
}
#tcalPrevYear { background-image: url('../img/prev_year.gif'); }
#tcalPrevMonth { background-image: url('../img/prev_mon.gif'); }
#tcalNextMonth { background-image: url('../img/next_mon.gif'); }
#tcalNextYear { background-image: url('../img/next_year.gif'); }

/* table containing week days header and calendar grid */
#tcalGrid {
	border-collapse: collapse;
	border: 1px solid silver;
	width: 100%;
}
#tcalGrid th {
	border: 1px solid silver;
	border-collapse: collapse;
	padding: 3px 0;
	text-align: center;
	font-family: Tahoma, Geneva, sans-serif;
	font-size: 10px;
	background-color: gray;
	color: white;
}
#tcalGrid td {
	border: 0;
	border-collapse: collapse;
	padding: 2px 0;
	text-align: center;
	font-family: Tahoma, Geneva, sans-serif;
	width: 14%;
	font-size: 11px;
	cursor: pointer;
}		
#tcalGrid td.tcalOtherMonth { color: silver; }
#tcalGrid td.tcalWeekend { background-color: #00FF00; }
#tcalGrid td.tcalToday { border: 1px solid #F0F; }
#tcalGrid td.tcalSelected { background-color: #FFB3BE; }