<!DOCTYPE html>
<html>
<head>
	<title></title>

	<style type="text/css">
		label
		{
			width: 100px;
			display: inline-block;
		}
	</style>
</head>
<body>

<h1>Forma za kontakt</h1>

<label>Ime</label> <input id="ime" type="text"> <br>
<label>Prezime</label> <input id="prezime" type="text" name=""> <br>
<label>E-mail</label> <input type="text" id = "email" name=""> <br>
<label>Vozrast </label><select id="godini">
<option>19</option>
<option>20</option>
</select>
<br>
<input type="button" id="btn" onclick="send()" value="SEND">
<br>
<input type="text" disabled="disabled" id="message">

<script type="text/javascript">
	function send()
	{
		var name = document.getElementbyId('ime').value;
	    var lastname = document.getElementbyId("prezime").value;
		var mail = document.getElementbyId('email').value;
		console.log(mail);
		var age = document.getElementbyId('godini').value;

		if(name == '' || lastname == '' || mail == '' || age =='')
		{
			alert("Site poinja se zadolzitelni");
		}


	}






</script>


</body>
</html>