PHP Website Maker: 2012

Wednesday, July 4, 2012

Redirect webpage to the same page with a message

Redirect webpage to the same page with a message

Processing the form on the same page or is the form action a separate file? If it is a separate file, you can redirect after form processing using the header function and passing in a get variable like so:

Code:
if($form_success){
header('original_page.php?success=true');
}

Here I am checking a made-up variable called $form_success, though it would probably contain a boolean value based on whether the form successfully submitted or not. If it did submit, I am redirecting the user to original_page.php with a GET variable success = true. This can be accessed on your form page (wherever you want the message to display in the HTML) like this:

Code:
if(isset($_GET['success'])){
if($_GET['success'] == 'true'){
echo '<div class="success">THANK YOU. YOUR DATA HAS BEEN SUBMITTED</div>'
}else{
echo '<div class="error">SORRY, PROBLEM SUBMITTING YOUR DATA</div>'
}
}

Tuesday, July 3, 2012

PHP - Simple Ad Rotation Script

PHP - Simple Ad Rotation Script

In this script (very easy script), we setup 3 ads for rotation. First ad, we want it to display 70%, second ad we want to display 20% and the last one we want to display 10%

What to do
1. Random number 1-100
if result = 1-70 (we have opportunity to display ad1, 70%)
if result = 71-90 (we have opportunity to display ad2, 20%)
if result = 91-100 (we have opportunity to display ad3, 10%)

Example
In this script, we use rand(1, 100); to random number between 1 -100 and keep the result in variable named "$result_random" if result = 85 ad2 will be displayed.

Code -

<?php

// random number 1 - 100 $result_random = rand(1, 100);

// if result less than or equal 70, display ad1 (70%)
if($result_random <= 70){
echo "Display ad1";
}

// if result less than or equal 90, display ad2 (20%)
else if($result_random <= 90){
echo "Display ad2";
}

// if result less than or equal 100, display ad3 (10%)
else {
echo "Display ad3";
}

?>

PHP - Get full web page URL from address bar

PHP - Get full web page URL from address bar

Syntax

<?php
$server=$_SERVER['HTTP_HOST'];
echo $server;

$request_url=$_SERVER['REQUEST_URI'];
echo $request_url;

$url="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo $url;
?>

Java Script:
This is an example of javascript and php script, click to select all text in text box like infobrainz.com or many other site.

<head>
<script type="text/javascript">
function select_all()
{
var text_val=eval("document.form_name.type");
text_val.focus();
text_val.select();
}
</script>

</head>

PHP Redirection script

PHP Redirection script

Learn how to redirect in this tutorial, you can use header(); function in php or use meta to redirect to a new page you want or redirect to other website. In this scripts, you can use header(); method or use meta to redirect.

Code - PHP Redirection script
// For example, redirecting to www.infobrainz.com
header("location:http://www.phpeasystep.com");
or
echo "<meta http-equiv='refresh' content='0;url=http://www.phpeasystep.com'>";

PHP - Automatic refresh webpage / Set time to redirect

PHP - Automatic refresh webpage / Set time to redirect

When you need your web page automatically refresh in 5 second or any second you want, you can use this meta tag. It's a simple code, put it between tag ... on your web page.

This script is easy but powerful. Many websites use this script to redirect their web page or refresh the same page, for example, my website updates in every 10 minutes and I want to show user my latest content then I put this script to my page and set it refreshs in every 10 minutes.

Code -

<HEAD>
<meta http-equiv='refresh' content='2;url='file_name or URL'>
</HEAD>

// content = time (second).
// file_name = name of file you want to refresh or redirect.
// URL = URL of website that you want to redirect to.

Thursday, June 28, 2012

Popup Form with HTML, CSS, Java Script

Popup Form with HTML, CSS, Java Script
=============================

#lightbox{
visibility:hidden;
position:absolute;
background:blue;
border:2px solid #3c3c3c;
color:white;
z-index:200;
width: 400px;
height:300px;
padding:40px;
}

.dimmer{
background: #000;
position: absolute;
opacity: .5;
top: 0;
z-index:50;
}

Java Script
===========

var opener = document.getElementById("opener");

opener.onclick = function(){

var lightbox = document.getElementById("lightbox"),
dimmer = document.createElement("div");

dimmer.style.width = window.innerWidth + 'px';
dimmer.style.height = window.innerHeight + 'px';
dimmer.className = 'dimmer';

dimmer.onclick = function(){
document.body.removeChild(this);
lightbox.style.visibility = 'hidden';
}

document.body.appendChild(dimmer);

lightbox.style.visibility = 'visible';
lightbox.style.top = window.innerHeight/6 - 20 + 'px';
lightbox.style.left = window.innerWidth/6 - 20 + 'px';
return false;
}

HTML
====
<div id="lightbox">
<form id='contactus' action='' method='post' accept-charset='UTF-8'>

<div class='container'>
<label for='name' >Your Full Name*: </label><br/>
<input type='text' name='name' id='name' value='' maxlength="50" /><br/>

</div>
<div class='container'>
<label for='email' >Email Address*:</label><br/>
<input type='text' name='email' id='email' value='' maxlength="50" /><br/>

</div>
<div class='container'>
<label for='message' >Message:</label><br/>

<textarea rows="10" cols="50" name='message' id='message'></textarea>
</div>
<div class='container'>
<input type='submit' name='Submit' value='Submit' />
</div>
</form>

</div>
<a href="#" id="opener">Click me</a>

User for testing for HTML/CSS/JS
http://jsfiddle.net/rxGmk/43/

Monday, June 11, 2012

PHP - Automatic Copyright Year

PHP - Automatic Copyright Year

Current year only
© <?php echo date("Y") ?>

With start year
© 2008-<?php echo date("Y") ?>

Start date with error protection
<?php function auto_copyright($year = 'auto'){ ?>
<?php if(intval($year) == 'auto'){ $year = date('Y'); } ?>
<?php if(intval($year) == date('Y')){ echo intval($year); } ?>
<?php if(intval($year) < date('Y')){ echo intval($year) . ' - ' . date('Y'); } ?>
<?php if(intval($year) > date('Y')){ echo date('Y'); } ?>
<?php } ?>

Usage:
<?php auto_copyright(); // 2011?>

<?php auto_copyright('2010'); // 2010 - 2011 ?>

PHP - RSS Generator

PHP - RSS Generator

You'll need a MySQL database with a a table called `rss_feed`. In that table there are 3 colums:item title (which is the name a person will see for an item), the item link (which is the location of the page with the item on it), and description (which tells what the feed is about). Put the file in a folder called feed and you're feed will be available at yoursite.com/feed

Remember to change the feed title, link and image for your specific feed.

<?php

// Connect to database... (you'll need to create this yourself)

require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/connection.php';

// Run query...

$getFeed = mysql_query("SELECT *

FROM `rss_feed`

ORDER BY `time` DESC

")or die(mysql_error());

// Output XML (RSS)

echo '<?xml version="1.0" encoding="ISO-8859-1" ?>

<title>Your RSS Title</title>

<description>Description of your Feed</description>

<language>English</language>

<image>

<title>website Logo</title>

<width>width</width>

<height>height</height>

</image>';

while($rssFeed = mysql_fetch_array($getFeed)) {

echo '<item>',

'<title>', $rssFeed['item_title']</title>',

'<link>', $rssFeed['link'], '</link>',

'<description><![CDATA[ ,$rssFeed['description'],']]></description>

</item>';

}

echo '</channel>

</rss>';

PHP - Quick Alphabetic Navigation

PHP - Quick Alphabetic Navigation

<?php
foreach (range('a', 'z') as $char) {
print '<a href="#' . $char . '">' . $char . '</a> | ';
}
?>

PHP - Send Email

PHP - Send Email

HTML Form with Inputs

<form action="" method="post">
<label for="name">Name:</label>
<input type="text" name="name" id="name" />

<label for="Email">Email:</label>
<input type="text" name="email" id="email" />

<label for="Message">Message:</label><br />
<textarea name="message" rows="20" cols="20" id="message"></textarea>

<input type="submit" name="submit" value="Submit" />
</form>

Process with PHP (sendemail.php)

<?php
// from the form
$name = trim(strip_tags($_POST['name']));
$email = trim(strip_tags($_POST['email']));
$message = htmlentities($_POST['message']);

// set here
$subject = "Contact form submitted!";
$to = 'your@email.com';

$body = <<<HTML
$message
HTML;

$headers = "From: $email\r\n";
$headers .= "Content-type: text/html\r\n";

// send the email
mail($to, $subject, $body, $headers);

// redirect afterwords, if needed
header('Location: thanks.html');
?>

Login Function

These functions will log in a user based on a username and password being matched in a MySQL database.

login($username, $password);

// function to escape data and strip tags
function safestrip($string){
$string = strip_tags($string);
$string = mysql_real_escape_string($string);
return $string;
}

//function to show any messages
function messages() {
$message = '';
if($_SESSION['success'] != '') {
$message = '<span class="success" id="message">'.$_SESSION['success'].'</span>';
$_SESSION['success'] = '';
}
if($_SESSION['error'] != '') {
$message = '<span class="error" id="message">'.$_SESSION['error'].'</span>';
$_SESSION['error'] = '';
}
return $message;
}

// log user in function
function login($username, $password){

//call safestrip function
$user = safestrip($username);
$pass = safestrip($password);

//convert password to md5
$pass = md5($pass);

// check if the user id and password combination exist in database
$sql = mysql_query("SELECT * FROM table WHERE username = '$user' AND password = '$pass'")or die(mysql_error());

//if match is equal to 1 there is a match
if (mysql_num_rows($sql) == 1) {

//set session
$_SESSION['authorized'] = true;

// reload the page
$_SESSION['success'] = 'Login Successful';
header('Location: ./index.php');
exit;

} else {
// login failed save error to a session
$_SESSION['error'] = 'Sorry, wrong username or password';
}
}

All pages involved would have the messages function somewhere so proper use feedback is given:

messages();

PHP - Email Address Validation

PHP - Email Address Validation

Simple validation

$email = 'mail@example.com';
$validation = filter_var($email, FILTER_VALIDATE_EMAIL);

if ( $validation ) $output = 'proper email address';
else $output = 'wrong email address';

echo $output;

Advanced validation

<?php
$email="test@geemail.com";
if (isValidEmail($email))
{
echo "Hooray! Adress is correct.";
}
else
{
echo "Sorry! No way.";
}

//Check-Function
function isValidEmail($email)
{
//Perform a basic syntax-Check
//If this check fails, there's no need to continue
if(!filter_var($email, FILTER_VALIDATE_EMAIL))
{
return false;
}

//extract host
list($user, $host) = explode("@", $email);
//check, if host is accessible
if (!checkdnsrr($host, "MX") && !checkdnsrr($host, "A"))
{
return false;
}

return true;
}
?>

PHP - Get Current File Name

PHP - Get Current File Name

<body id="body_<?php echo $pageName; ?>">

<?php
$pageName = basename($_SERVER[PHP_SELF]);
?>

Tuesday, May 15, 2012

Java Script - Validation for Empty Textbox with php

Java Script - Validation for Empty Textbox with php

<script type="text/javascript">
// Validation for Empty Textbox
function validateForm()
{
var question=document.forms["quizForm"]["question"].value;
var option1=document.forms["quizForm"]["optn1"].value;
var option2=document.forms["quizForm"]["optn2"].value;
var option3=document.forms["quizForm"]["optn3"].value;
var option4=document.forms["quizForm"]["optn4"].value;
var correctanswer=document.forms["quizForm"]["answer"].value;
var explaination=document.forms["quizForm"]["explain"].value;
var references=document.forms["quizForm"]["ref"].value;
var keyword=document.forms["quizForm"]["key"].value;

if ((question==null || question=="") ||
(option1==null || option1=="" ) ||
(option2==null || option2=="" ) ||
(option3==null || option3=="" ) ||
(option4==null || option4=="" ) ||
(correctanswer==null || correctanswer=="" ) ||
(explaination==null || explaination=="" ) ||
(references==null || references=="" ) ||
(keyword==null || keyword=="" ) )
{
alert("All fields must be filled out");
return false;
}
}
</script>

<body>

<form id="form_406085" name="quizForm" class="appnitro" method="post" action="quiz_input1.php" onsubmit="return validateForm()">
<div class="form_description">
<h2>Quiz - Learn Concept Daily (LCD)</h2>
<p>Learn Concept Daily (LCD)</p>
</div>
<ul >

<li id="li_8" >
<label class="description" for="question">Question :</label>
<div>
<textarea id="question" name="question" class="element textarea small"></textarea>
</div>
</li> <li id="li_10" >
<label class="description" for="optn1">Option 1: </label>
<div>
<input id="optn1" name="optn1" class="element text small" type="text" maxlength="255" value=""/>
</div>
</li> <li id="li_11" >
<label class="description" for="optn2">Option 2: </label>
<div>
<input id="optn2" name="optn2" class="element text small" type="text" maxlength="255" value=""/>
</div>
</li> <li id="li_12" >
<label class="description" for="optn3">Option 3: </label>
<div>
<input id="optn3" name="optn3" class="element text small" type="text" maxlength="255" value=""/>
</div>
</li> <li id="li_13" >
<label class="description" for="optn4">Option 4: </label>
<div>
<input id="optn4" name="optn4" class="element text small" type="text" maxlength="255" value=""/>
</div>
</li> <li id="li_7" >
<label class="description" for="answer">Correct Answer :</label>
<div>
<input id="answer" name="answer" class="element text medium" type="text" maxlength="255" value=""/>
</div>
</li> <li id="li_4" >
<label class="description" for="explain">Explaination :</label>
<div>
<textarea id="explain" name="explain" class="element textarea medium"></textarea>
</div>
</li> <li id="li_5" >
<label class="description" for="ref">References :</label>
<div>
<input id="ref" name="ref" class="element text medium" type="text" maxlength="255" value=""/>
</div>
</li> <li id="li_6" >
<label class="description" for="key">Google Keywords :</label>
<div>
<input id="key" name="key" class="element text medium" type="text" maxlength="255" value=""/>

</div>
</li>
</body>

Java Script - validate Form multiple Radio button field with php

Java Script - validate Form multiple Radio button field with php
========================================

<head>

<script type="text/javascript">

function validateFormRadioButton()

{

if ((document.quizForm.optn[0].checked == false) &&
(document.quizForm.optn[1].checked == false) && (document.quizForm.optn[2].checked == false) &&
(document.quizForm.optn[3].checked == false))

{
alert("Please select any answer ");

return false;

}

else
{
return true;
}

}

</script>

</head>

<body>

<form id="form_406085" name="quizForm" class="appnitro" method="post" action="quiz_submit.php" onsubmit="return validateFormRadioButton();">

<?php
require('db/sqlquery.php');

while($ib_row = mysql_fetch_array($row))

{

// Radio Button for Option1

echo "<input id=\"element_18_1\" name=\"optn\" class=\"element radio\" type=\"radio\" value=\"option1\" />";
echo "<label class=\"choice\" for=\"element_18_1\">";
// radio button value comes from mysql
echo $ib_row['option1'];

echo "</label>";
// Radio Button for Option2
echo "<input id=\"element_18_2\" name=\"optn\" class=\"element radio\" type=\"radio\" value=\"option2\" />";

echo "<label class=\"choice\" for=\"element_18_2\">";

// radio button value comes from mysql
echo $ib_row['option2'];

echo "</label>";
// Radio Button for Option3
echo "<input id=\"element_18_4\" name=\"optn\" class=\"element radio\" type=\"radio\" value=\"option3\" />";

echo "<label class=\"choice\" for=\"element_18_3\">";

// radio button value comes from mysql
echo $ib_row['option3'];
echo "</label>";
// Radio Button for Option4
echo "<input id=\"element_18_4\" name=\"optn\" class=\"element radio\" type=\"radio\" value=\"option4\" />";

echo "<label class=\"choice\" for=\"element_18_3\">";

// radio button value comes from mysql
echo $ib_row['option4'];

echo "</label>";

?>

</form>

</body>

Java Script - validate Form Email Field with php

Java Script - validate Form Email with php
===========================
<head>

<script type="text/javascript">

function validateFormEmail()

{

var x=document.forms["quizForm"]["email_id"].value;

var atpos=x.indexOf("@");

var dotpos=x.lastIndexOf(".");

if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)

{

alert("Not a valid e-mail address");

return
false;

}

}

</script>

</head>

<body>

<form id="form_406085" name="quizForm" class="appnitro" method="post" action="quiz_submit.php" onsubmit="return validateFormEmail();">

Email: <input type="text" name="email">
<input type="submit" value="Submit">

</form>

</body>

Monday, May 14, 2012

Javascript & PHP - Multiple Date Picker

PHP File

$row = mysql_query("SELECT * FROM quiz_lcd");
    $a=0;
// Insert value from radio button value into mysql
    while($ib_row = mysql_fetch_array($row))
       {

       $a = $a + 1;
            echo "</br><b>Questions - </b>" . $ib_row['question'];
                   echo "</br>";
                   echo "<b>Selected Date - </b>" . $ib_row['datesent'];
                   echo "</br>";
                   echo "<b>A Date:</b>";
                   $ADate = "ADate" . $a;
                   //echo $ADate;
                   echo "</br>";
                   echo "<input type=\"text\" name=\" . $ADate . \">";
                   echo "<input type=button value=\"select\" onclick=\"displayDatePicker(' . $ADate . ');\">";
                   echo "</br>";
       }
//mysql_query("INSERT INTO quiz_response_lcd VALUES ('$quiz_id', '$email', '$answer_submit', CURDATE())");
echo "</br>";

//Print "Data sucessfully added into the database";
echo "</br></br></br></br></br></br>";

?>

Calendar.js

/**
This is a JavaScript library that will allow you to easily add some basic DHTML
drop-down datepicker functionality to your Notes forms. This script is not as
full-featured as others you may find on the Internet, but it's free, it's easy to
understand, and it's easy to change.

You'll also want to include a stylesheet that makes the datepicker elements
look nice. An example one can be found in the database that this script was
originally released with, at:

http://www.nsftools.com/tips/NotesTips.htm#datepicker

I've tested this lightly with Internet Explorer 6 and Mozilla Firefox. I have no idea
how compatible it is with other browsers.

version 1.5
December 4, 2005
Julian Robichaux -- http://www.nsftools.com

HISTORY
-- version 1.0 (Sept. 4, 2004):
Initial release.

-- version 1.1 (Sept. 5, 2004):
Added capability to define the date format to be used, either globally (using the
defaultDateSeparator and defaultDateFormat variables) or when the displayDatePicker
function is called.

-- version 1.2 (Sept. 7, 2004):
Fixed problem where datepicker x-y coordinates weren't right inside of a table.
Fixed problem where datepicker wouldn't display over selection lists on a page.
Added a call to the datePickerClosed function (if one exists) after the datepicker
is closed, to allow the developer to add their own custom validation after a date
has been chosen. For this to work, you must have a function called datePickerClosed
somewhere on the page, that accepts a field object as a parameter. See the
example in the comments of the updateDateField function for more details.

-- version 1.3 (Sept. 9, 2004)
Fixed problem where adding the <div> and <iFrame> used for displaying the datepicker
was causing problems on IE 6 with global variables that had handles to objects on
the page (I fixed the problem by adding the elements using document.createElement()
and document.body.appendChild() instead of document.body.innerHTML += ...).

-- version 1.4 (Dec. 20, 2004)
Added "targetDateField.focus();" to the updateDateField function (as suggested
by Alan Lepofsky) to avoid a situation where the cursor focus is at the top of the
form after a date has been picked. Added "padding: 0px;" to the dpButton CSS
style, to keep the table from being so wide when displayed in Firefox.

-- version 1.5 (Dec 4, 2005)
Added display=none when datepicker is hidden, to fix problem where cursor is
not visible on input fields that are beneath the date picker. Added additional null
date handling for date errors in Safari when the date is empty. Added additional
error handling for iFrame creation, to avoid reported errors in Opera. Added
onMouseOver event for day cells, to allow color changes when the mouse hovers
over a cell (to make it easier to determine what cell you're over). Added comments
in the style sheet, to make it more clear what the different style elements are for.
*/

var datePickerDivID = "datepicker";
var iFrameDivID = "datepickeriframe";

var dayArrayShort = new Array('Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa');
var dayArrayMed = new Array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat');
var dayArrayLong = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
var monthArrayShort = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
var monthArrayMed = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'June', 'July', 'Aug', 'Sept', 'Oct', 'Nov', 'Dec');
var monthArrayLong = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');

// these variables define the date formatting we're expecting and outputting.
// If you want to use a different format by default, change the defaultDateSeparator
// and defaultDateFormat variables either here or on your HTML page.
var defaultDateSeparator = "/";        // common values would be "/" or "."
var defaultDateFormat = "mdy"    // valid values are "mdy", "dmy", and "ymd"
var dateSeparator = defaultDateSeparator;
var dateFormat = defaultDateFormat;

/**
This is the main function you'll call from the onClick event of a button.
Normally, you'll have something like this on your HTML page:

Start Date: <input name="StartDate">
<input type=button value="select" onclick="displayDatePicker('StartDate');">

That will cause the datepicker to be displayed beneath the StartDate field and
any date that is chosen will update the value of that field. If you'd rather have the
datepicker display beneath the button that was clicked, you can code the button
like this:

<input type=button value="select" onclick="displayDatePicker('StartDate', this);">

So, pretty much, the first argument (dateFieldName) is a string representing the
name of the field that will be modified if the user picks a date, and the second
argument (displayBelowThisObject) is optional and represents an actual node
on the HTML document that the datepicker should be displayed below.

In version 1.1 of this code, the dtFormat and dtSep variables were added, allowing
you to use a specific date format or date separator for a given call to this function.
Normally, you'll just want to set these defaults globally with the defaultDateSeparator
and defaultDateFormat variables, but it doesn't hurt anything to add them as optional
parameters here. An example of use is:

<input type=button value="select" onclick="displayDatePicker('StartDate', false, 'dmy', '.');">

This would display the datepicker beneath the StartDate field (because the
displayBelowThisObject parameter was false), and update the StartDate field with
the chosen value of the datepicker using a date format of dd.mm.yyyy
*/
function displayDatePicker(dateFieldName, displayBelowThisObject, dtFormat, dtSep)
{
var targetDateField = document.getElementsByName (dateFieldName).item(0);

// if we weren't told what node to display the datepicker beneath, just display it
// beneath the date field we're updating
if (!displayBelowThisObject)
    displayBelowThisObject = targetDateField;

// if a date separator character was given, update the dateSeparator variable
if (dtSep)
    dateSeparator = dtSep;
else
    dateSeparator = defaultDateSeparator;

// if a date format was given, update the dateFormat variable
if (dtFormat)
    dateFormat = dtFormat;
else
    dateFormat = defaultDateFormat;

var x = displayBelowThisObject.offsetLeft;
var y = displayBelowThisObject.offsetTop + displayBelowThisObject.offsetHeight ;

// deal with elements inside tables and such
var parent = displayBelowThisObject;
while (parent.offsetParent) {
    parent = parent.offsetParent;
    x += parent.offsetLeft;
    y += parent.offsetTop ;
}

drawDatePicker(targetDateField, x, y);
}

/**
Draw the datepicker object (which is just a table with calendar elements) at the
specified x and y coordinates, using the targetDateField object as the input tag
that will ultimately be populated with a date.

This function will normally be called by the displayDatePicker function.
*/
function drawDatePicker(targetDateField, x, y)
{
var dt = getFieldDate(targetDateField.value );

// the datepicker table will be drawn inside of a <div> with an ID defined by the
// global datePickerDivID variable. If such a div doesn't yet exist on the HTML
// document we're working with, add one.
if (!document.getElementById(datePickerDivID)) {
    // don't use innerHTML to update the body, because it can cause global variables
    // that are currently pointing to objects on the page to have bad references
    //document.body.innerHTML += "<div id='" + datePickerDivID + "' class='dpDiv'></div>";
    var newNode = document.createElement("div");
    newNode.setAttribute("id", datePickerDivID);
    newNode.setAttribute("class", "dpDiv");
    newNode.setAttribute("style", "visibility: hidden;");
    document.body.appendChild(newNode);
}

// move the datepicker div to the proper x,y coordinate and toggle the visiblity
var pickerDiv = document.getElementById(datePickerDivID);
pickerDiv.style.position = "absolute";
pickerDiv.style.left = x + "px";
pickerDiv.style.top = y + "px";
pickerDiv.style.visibility = (pickerDiv.style.visibility == "visible" ? "hidden" : "visible");
pickerDiv.style.display = (pickerDiv.style.display == "block" ? "none" : "block");
pickerDiv.style.zIndex = 10000;

// draw the datepicker table
refreshDatePicker(targetDateField.name, dt.getFullYear(), dt.getMonth(), dt.getDate());
}

/**
This is the function that actually draws the datepicker calendar.
*/
function refreshDatePicker(dateFieldName, year, month, day)
{
// if no arguments are passed, use today's date; otherwise, month and year
// are required (if a day is passed, it will be highlighted later)
var thisDay = new Date();

if ((month >= 0) && (year > 0)) {
    thisDay = new Date(year, month, 1);
} else {
    day = thisDay.getDate();
    thisDay.setDate(1);
}

// the calendar will be drawn as a table
// you can customize the table elements with a global CSS style sheet,
// or by hardcoding style and formatting elements below
var crlf = "\r\n";
var TABLE = "<table cols=7 class='dpTable'>" + crlf;
var xTABLE = "</table>" + crlf;
var TR = "<tr class='dpTR'>";
var TR_title = "<tr class='dpTitleTR'>";
var TR_days = "<tr class='dpDayTR'>";
var TR_todaybutton = "<tr class='dpTodayButtonTR'>";
var xTR = "</tr>" + crlf;
var TD = "<td class='dpTD' onMouseOut='this.className=\"dpTD\";' onMouseOver=' this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event
var TD_title = "<td colspan=5 class='dpTitleTD'>";
var TD_buttons = "<td class='dpButtonTD'>";
var TD_todaybutton = "<td colspan=7 class='dpTodayButtonTD'>";
var TD_days = "<td class='dpDayTD'>";
var TD_selected = "<td class='dpDayHighlightTD' onMouseOut='this.className=\"dpDayHighlightTD\";' onMouseOver='this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event
var xTD = "</td>" + crlf;
var DIV_title = "<div class='dpTitleText'>";
var DIV_selected = "<div class='dpDayHighlight'>";
var xDIV = "</div>";

// start generating the code for the calendar table
var html = TABLE;

// this is the title bar, which displays the month and the buttons to
// go back to a previous month or forward to the next month
html += TR_title;
html += TD_buttons + getButtonCode(dateFieldName, thisDay, -1, "<") + xTD;
html += TD_title + DIV_title + monthArrayLong[ thisDay.getMonth()] + " " + thisDay.getFullYear() + xDIV + xTD;
html += TD_buttons + getButtonCode(dateFieldName, thisDay, 1, ">") + xTD;
html += xTR;

// this is the row that indicates which day of the week we're on
html += TR_days;
for(i = 0; i < dayArrayShort.length; i++)
    html += TD_days + dayArrayShort[i] + xTD;
html += xTR;

// now we'll start populating the table with days of the month
html += TR;

// first, the leading blanks
for (i = 0; i < thisDay.getDay(); i++)
    html += TD + " " + xTD;

// now, the days of the month
do {
    dayNum = thisDay.getDate();
    TD_onclick = " onclick=\"updateDateField('" + dateFieldName + "', '" + getDateString(thisDay) + "');\">";

    if (dayNum == day)
      html += TD_selected + TD_onclick + DIV_selected + dayNum + xDIV + xTD;
    else
      html += TD + TD_onclick + dayNum + xTD;

    // if this is a Saturday, start a new row
    if (thisDay.getDay() == 6)
      html += xTR + TR;

    // increment the day
    thisDay.setDate(thisDay.getDate() + 1);
} while (thisDay.getDate() > 1)

// fill in any trailing blanks
if (thisDay.getDay() > 0) {
    for (i = 6; i > thisDay.getDay(); i--)
      html += TD + " " + xTD;
}
html += xTR;

// add a button to allow the user to easily return to today, or close the calendar
var today = new Date();
var todayString = "Today is " + dayArrayMed[today.getDay()] + ", " + monthArrayMed[ today.getMonth()] + " " + today.getDate();
html += TR_todaybutton + TD_todaybutton;
html += "<button class='dpTodayButton' onClick='refreshDatePicker(\"" + dateFieldName + "\");'>this month</button> ";
html += "<button class='dpTodayButton' onClick='updateDateField(\"" + dateFieldName + "\");'>close</button>";
html += xTD + xTR;

// and finally, close the table
html += xTABLE;

document.getElementById(datePickerDivID).innerHTML = html;
// add an "iFrame shim" to allow the datepicker to display above selection lists
adjustiFrame();
}

/**
Convenience function for writing the code for the buttons that bring us back or forward
a month.
*/
function getButtonCode(dateFieldName, dateVal, adjust, label)
{
var newMonth = (dateVal.getMonth () + adjust) % 12;
var newYear = dateVal.getFullYear() + parseInt((dateVal.getMonth() + adjust) / 12);
if (newMonth < 0) {
    newMonth += 12;
    newYear += -1;
}

return "<button class='dpButton' onClick='refreshDatePicker(\"" + dateFieldName + "\", " + newYear + ", " + newMonth + ");'>" + label + "</button>";
}

/**
Convert a JavaScript Date object to a string, based on the dateFormat and dateSeparator
variables at the beginning of this script library.
*/
function getDateString(dateVal)
{
var dayString = "00" + dateVal.getDate();
var monthString = "00" + (dateVal.getMonth()+1);
dayString = dayString.substring(dayString.length - 2);
monthString = monthString.substring(monthString.length - 2);

switch (dateFormat) {
    case "dmy" :
      return dayString + dateSeparator + monthString + dateSeparator + dateVal.getFullYear();
    case "ymd" :
      return dateVal.getFullYear() + dateSeparator + monthString + dateSeparator + dayString;
    case "mdy" :
    default :
      return monthString + dateSeparator + dayString + dateSeparator + dateVal.getFullYear();
}
}

/**
Convert a string to a JavaScript Date object.
*/
function getFieldDate(dateString)
{
var dateVal;
var dArray;
var d, m, y;

try {
    dArray = splitDateString(dateString);
    if (dArray) {
      switch (dateFormat) {
        case "dmy" :
          d = parseInt(dArray[0], 10);
          m = parseInt(dArray[1], 10) - 1;
          y = parseInt(dArray[2], 10);
          break;
        case "ymd" :
          d = parseInt(dArray[2], 10);
          m = parseInt(dArray[1], 10) - 1;
          y = parseInt(dArray[0], 10);
          break;
        case "mdy" :
        default :
          d = parseInt(dArray[1], 10);
          m = parseInt(dArray[0], 10) - 1;
          y = parseInt(dArray[2], 10);
          break;
      }
      dateVal = new Date(y, m, d);
    } else if (dateString) {
      dateVal = new Date(dateString);
    } else {
      dateVal = new Date();
    }
} catch(e) {
    dateVal = new Date();
}

return dateVal;
}

/**
Try to split a date string into an array of elements, using common date separators.
If the date is split, an array is returned; otherwise, we just return false.
*/
function splitDateString(dateString)
{
var dArray;
if (dateString.indexOf("/") >= 0)
    dArray = dateString.split("/");
else if (dateString.indexOf(".") >= 0)
    dArray = dateString.split(".");
else if (dateString.indexOf("-") >= 0)
    dArray = dateString.split("-");
else if (dateString.indexOf("\\") >= 0)
    dArray = dateString.split("\\");
else
    dArray = false;

return dArray;
}

/**
Update the field with the given dateFieldName with the dateString that has been passed,
and hide the datepicker. If no dateString is passed, just close the datepicker without
changing the field value.

Also, if the page developer has defined a function called datePickerClosed anywhere on
the page or in an imported library, we will attempt to run that function with the updated
field as a parameter. This can be used for such things as date validation, setting default
values for related fields, etc. For example, you might have a function like this to validate
a start date field:

function datePickerClosed(dateField)
{
var dateObj = getFieldDate(dateField.value);
var today = new Date();
today = new Date(today.getFullYear(), today.getMonth(), today.getDate());

if (dateField.name == "StartDate") {
    if (dateObj < today) {
      // if the date is before today, alert the user and display the datepicker again
      alert("Please enter a date that is today or later");
      dateField.value = "";
      document.getElementById(datePickerDivID).style.visibility = "visible";
      adjustiFrame();
    } else {
      // if the date is okay, set the EndDate field to 7 days after the StartDate
      dateObj.setTime(dateObj.getTime() + (7 * 24 * 60 * 60 * 1000));
      var endDateField = document.getElementsByName ("EndDate").item(0);
      endDateField.value = getDateString(dateObj);
    }
}
}

*/
function updateDateField(dateFieldName, dateString)
{
var targetDateField = document.getElementsByName (dateFieldName).item(0);
if (dateString)
    targetDateField.value = dateString;

var pickerDiv = document.getElementById(datePickerDivID);
pickerDiv.style.visibility = "hidden";
pickerDiv.style.display = "none";

adjustiFrame();
targetDateField.focus();

// after the datepicker has closed, optionally run a user-defined function called
// datePickerClosed, passing the field that was just updated as a parameter
// (note that this will only run if the user actually selected a date from the datepicker)
if ((dateString) && (typeof(datePickerClosed) == "function"))
    datePickerClosed(targetDateField);
}

/**
Use an "iFrame shim" to deal with problems where the datepicker shows up behind
selection list elements, if they're below the datepicker. The problem and solution are
described at:

http://dotnetjunkies.com/WebLog/jking/archive/2003/07/21/488.aspx
http://dotnetjunkies.com/WebLog/jking/archive/2003/10/30/2975.aspx
*/
function adjustiFrame(pickerDiv, iFrameDiv)
{
// we know that Opera doesn't like something about this, so if we
// think we're using Opera, don't even try
var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
if (is_opera)
    return;

// put a try/catch block around the whole thing, just in case
try {
    if (!document.getElementById(iFrameDivID)) {
      // don't use innerHTML to update the body, because it can cause global variables
      // that are currently pointing to objects on the page to have bad references
      //document.body.innerHTML += "<iframe id='" + iFrameDivID + "' src='javascript:false;' scrolling='no' frameborder='0'>";
      var newNode = document.createElement("iFrame");
      newNode.setAttribute("id", iFrameDivID);
      newNode.setAttribute("src", "javascript:false;");
      newNode.setAttribute("scrolling", "no");
      newNode.setAttribute ("frameborder", "0");
      document.body.appendChild(newNode);
    }

    if (!pickerDiv)
      pickerDiv = document.getElementById(datePickerDivID);
    if (!iFrameDiv)
      iFrameDiv = document.getElementById(iFrameDivID);

    try {
      iFrameDiv.style.position = "absolute";
      iFrameDiv.style.width = pickerDiv.offsetWidth;
      iFrameDiv.style.height = pickerDiv.offsetHeight ;
      iFrameDiv.style.top = pickerDiv.style.top;
      iFrameDiv.style.left = pickerDiv.style.left;
      iFrameDiv.style.zIndex = pickerDiv.style.zIndex - 1;
      iFrameDiv.style.visibility = pickerDiv.style.visibility ;
      iFrameDiv.style.display = pickerDiv.style.display;
    } catch(e) {
    }

} catch (ee) {
}

}

Calendar.css
body {
    font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif;
    font-size: .8em;
    }

/* the div that holds the date picker calendar */
.dpDiv {
    }

/* the table (within the div) that holds the date picker calendar */
.dpTable {
    font-family: Tahoma, Arial, Helvetica, sans-serif;
    font-size: 12px;
    text-align: center;
    color: #505050;
    background-color: #ece9d8;
    border: 1px solid #AAAAAA;
    }

/* a table row that holds date numbers (either blank or 1-31) */
.dpTR {
    }

/* the top table row that holds the month, year, and forward/backward buttons */
.dpTitleTR {
    }

/* the second table row, that holds the names of days of the week (Mo, Tu, We, etc.) */
.dpDayTR {
    }

/* the bottom table row, that has the "This Month" and "Close" buttons */
.dpTodayButtonTR {
    }

/* a table cell that holds a date number (either blank or 1-31) */
.dpTD {
    border: 1px solid #ece9d8;
    }

/* a table cell that holds a highlighted day (usually either today's date or the current date field value) */
.dpDayHighlightTD {
    background-color: #CCCCCC;
    border: 1px solid #AAAAAA;
    }

/* the date number table cell that the mouse pointer is currently over (you can use contrasting colors to make it apparent which cell is being hovered over) */
.dpTDHover {
    background-color: #aca998;
    border: 1px solid #888888;
    cursor: pointer;
    color: red;
    }

/* the table cell that holds the name of the month and the year */
.dpTitleTD {
    }

/* a table cell that holds one of the forward/backward buttons */
.dpButtonTD {
    }

/* the table cell that holds the "This Month" or "Close" button at the bottom */
.dpTodayButtonTD {
    }

/* a table cell that holds the names of days of the week (Mo, Tu, We, etc.) */
.dpDayTD {
    background-color: #CCCCCC;
    border: 1px solid #AAAAAA;
    color: white;
    }

/* additional style information for the text that indicates the month and year */
.dpTitleText {
    font-size: 12px;
    color: gray;
    font-weight: bold;
    }

/* additional style information for the cell that holds a highlighted day (usually either today's date or the current date field value) */
.dpDayHighlight {
    color: 4060ff;
    font-weight: bold;
    }

/* the forward/backward buttons at the top */
.dpButton {
    font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif;
    font-size: 10px;
    color: gray;
    background: #d8e8ff;
    font-weight: bold;
    padding: 0px;
    }

/* the "This Month" and "Close" buttons at the bottom */
.dpTodayButton {
    font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif;
    font-size: 10px;
    color: gray;
    background: #d8e8ff;
    font-weight: bold;
    }

http://www.nsftools.com/tips/DatePickerTest.htm

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