PHP Contact Form / How to Use?

How to Use?

First, include the code your page for SECURITY image

<?php session_start(); ?>

Include jQuery on your page

<script type="text/javascript" src="http://code.jquery.com/jquery-1.6.4.min.js"></script>

This code should be included between HEAD TAG to control by jQuery

<script type="text/javascript"> 
function gostergizle()
{
$("div#container").show(100); 
}
function sendmessage(){ 
var veriler = $('#contact_form').serialize(); 
$.ajax({ 
type: "POST", 
url: "inc/send.php", 
data: veriler, 
success:function(cevap){ 
$("#send").html(""+cevap); 
$("div#container").hide(100); 
} 
})}; 
function formReset(id) {
$('#'+id).each(function(){
this.reset();
});
}
function kontrolet(){
var name=$('#name').val();
name=jQuery.trim(name);
var email=$('#email').val();
email=jQuery.trim(email);
var mess=$('#text').val();
mess=jQuery.trim(mess);
var tel=$('#phone').val();
tel=jQuery.trim(tel);
var guvenlikKodu=$('#guvenlikKodu').val();
guvenlikKodu=jQuery.trim(guvenlikKodu);        
if(name==''){
alert("Please check your name");
} 	
else if(email==''){
alert("Please check your E-Mail");
}
 else if (tel==''){
alert("Please check your Phone");
}
 else if (guvenlikKodu==''){
alert("Security code is empty!");
}
  else if(mess==''){
alert("Please check your Message");
}
else { sendmessage() } 
}
</script>

This CONTACT FORM codes in index.php:

            <form class="form" id="contact_form" name="contact_form" method="post" action="javascript:void(0);">
		<p class="name">
			<input type="text" name="name" id="name" placeholder="Your Name*"  required/>
			<label for="name">Name Surname<font color="red">*</font></label>
		</p>
		<p class="email">
			<input type="email" name="email" id="email" placeholder="mail@example.com*" required />
			<label for="email">Email<font color="red">*</font></label>
		</p>
		<p class="phone">
			<input type="tel" name="phone" id="phone" placeholder="+00123456789*"  required/>
			<label for="phone">Phone<font color="red">*</font></label>
		</p>
		<p class="web">
			<input type="url" name="web" id="web" placeholder="www.example.com" />
			<label for="web">Website</label>
		</p>
		<p class="sec">
		<select  name="subject">
		  <option value="General">General</option>
		  <option value="product">Product Support</option>
		  <option value="new">New Business</option>
		  <option value="other">Other</option>
		</select>
		<label>Contact Reason</label>
		</p>  	
    <input type="text" name="guvenlikKodu" id="guvenlikKodu" required />
    <label for="guvenlikKodu"></label>
 <img src="inc/captcha.php" />
		<p class="text">
			<textarea id="text" name="text" id="text"placeholder="Your Message*"  required/><textarea>
		</p>
	
		<p class="submit">
			<input type="submit" onclick="kontrolet()" value="Send" />
			<input type="reset" value="Reset" />
		</p>
	</form>
	
	</div>
		
	<div style="margin-top: 80px" id="send"></div>

Codes which you must change in inc/send.php

$mail->Host     = "mail.kodofisi.org"; // SMTP servers
$mail->SMTPAuth = true;     // turn on SMTP authentication
$mail->Username = "mkocak@kodofisi.org";  // SMTP username
$mail->Password = "password"; // SMTP password
$mail->From     = "mkocak@kodofisi.org"; // it must be a match with SMTP username
$mail->Fromname = "Mehmet Koçak"; // from name
$mail->AddAddress("mkocak@kodofisi.org","Mehmet Koçak"); // SMTP username , Name Surname