function primes() {
 	i=0, prime=true;
 	while(p[i]*p[i]<=n) {
		if(n%p[i]==0) {
			prime = false;
		break;
		}
		i++;
 	}
	if(prime) {
		document.primeform.primeelement.value=n;
 		p[j++]=n++;-->
 		setTimeout('primes()',500);
 	}
 	else {
 		n++;
 		primes();
 	}
 }