Archief - xHTML/JS: waarom werkt dit niet

function validate()
{
x=document.form;
at=x.Email.value.indexOf('@');
Naam=x.Naam.value;
submitOK=1;
msg = "";

if (Naam=="")
 {
	 msg = "U hebt geen naam ingevuld!";
	 submitOK=0;
 }
if (at==-1) 
 {
	 msg += "\nU hebt geen geldig e-mail aders ingegeven!";
	 submitOK=0;
 }
if (submitOK==0)
 {
	alert(msg); 
 	return false;
 }
 else
 {
	 return confirm('U kan nu verdergaan!');
 }
}

<form id="form" onSubmit="return validate()" action="mailto:[email protected]?subject=Aankoop kaarten" method="post" enctype="text/plain">
					<div >Naam en Voornaam:</div>
					<div ><input type="text" name="Naam" size="35" maxlength="31" /></div>
					<div ><br />E-mail:</div>
					<div ><input type="text" name="Email" size="35" maxlength="50" /></div>
					<div ><br />Aantal kaarten:</div>
						<div><input name="aantal" type="radio" value="1" checked="checked" />
						1
						<input name="aantal" type="radio" value="2" />
						2
						<input name="aantal" type="radio" value="3" />
						3
						<input name="aantal" type="radio" value="4" />
						4
						<input name="aantal" type="radio" value="5" />
						5
					<br />
					<br />
					<br />
					</div>
					<div ><input type="submit" value="Formulier verzenden" />
					<br />
					</div>
					<div ><input type= "reset" value="Formulier wissen       " />
					<br />
					</div>
  	  </form>

<form id="form" onSubmit="return validate([b]this[/b])"
action="mailto:[email protected]?subject=Aankoop kaarten" method="post" enctype="text/plain">
....

function validate([b]x[/b])
{
at=x.Email.value.indexOf('@');
Naam=x.Naam.value;
....