Add JS validation Form

insco.php

@@ -27,7 +27,7 @@ session_start();
 		<section id="bgc_accueil">
 			<article id="color_font_accueil">
 				<a href="inscrip.php"> Pas encore inscrit ? Cliquez ici pour vous inscrire.</a>
-				<form action="traitement.php" method="post">
+				<form name="insco" action="traitement.php" onsubmit="return validateForm()" method="post">
 					<p> Pseudo </p>
 					<p><input type="text" size="20" maxlength="18" name="pseudo" /></p>
 					<p> Mot de passe </p>
@@ -36,5 +36,19 @@ session_start();
 				</form>
 			</article>
 		</section>
+		<script>
+			function validateForm(){
+				var pseudo = document.forms["insco"].element["pseudo"].value;
+				if (pseudo == null || pseudo == "") {
+					alert("Pseudo must be filled out");
+					return false;
+				}
+				var pass = document.forms["insco"].element["pass"].value;
+				if (pass == null || pass == "") {
+					alert("Password must be filled out");
+					return false;
+				}
+			}
+		</script>
 	</body>
 </html>