function nameOK(name)
{
	var ch;
	var i;
	if (name.length < 3) return false;
	if (name.length > 14) return false;
	for (i=0; i<name.length; i++)
	{
		ch=name.charAt(i);
		if ( i==0 && !((ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9')) || ch==' ' ) return false;
		else if (!((ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9') || (ch=='_') || (ch=='-')) || ch==' ') return false;
	}
	return true;
}