/////////////////////////////////////////////Task12 /////////////////////////////////////////
		$showForm = True;
		
		//Validate that an email and Message have been filled in.
		if (isset($_POST['emailADD']) && isset($_POST['Message'])){
			$EmAdd = $_POST['emailADD'];
			$EmMsg = $_POST['Message'];
			
			if (!$EmAdd == null && !$EmMsg == null){
				//Validate that the email address is in the correct format.
				if(preg_match('/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/',$EmAdd)) {  
					$showForm = False;
					
					//Check if a subject header is filled in.
					if (isset($_POST['emailADD'])){
						$EmSub = $_POST['emailSubj'];
					}
					else
					{
						$EmSub = "Send From Task 12 with no Subject.";
					}					
					
					//Send Email
					mail($EmAdd, $EmSub, $EmMsg, "From:41543777@mylife.unisa.ac.za");
			  
					//Email response
					echo "Thank you for contacting us!";
				}
				else
				{
					echo 'Please enter a <U>valid</U> email address before sending. <br>';	
				}
			}
			else
			{
				//Prompt the user for a email address.
				if ($EmAdd == null){
					echo 'Please enter an email address before sending. <br>';			
				}
				//Prompt the user for a message.
				if ($EmMsg == null){
					echo 'Please enter a message before sending. <br>';			
				}
			}
		}
		
		function Show_SendForm(){
			?>
			
			<H1>Task 12:</H1> <br>
			<form name="frmSendEmail" action="task12.php" method="POST">
			<Table>
				<tr>
				<td>Email address: </td><td><input  type="text" name="emailADD" maxlength="80" size="30"></td></tr>
				<tr>
				<td>Email subject: </td><td><input  type="text" name="emailSubj" maxlength="128" size="80"></td></tr>
					
				<tr><td valign="top">Message:</td>
				<td><textarea  name="Message" maxlength="1000" cols="80" rows="10"></textarea> </td></tr>
				<tr><td></td><td align="right"><input type="submit" value="Send Email"></td></tr>
			</table>
			
			</form>
			
			<?php
		}
		
		if ($showForm == True){
			Show_SendForm();
		}