// JavaScript Document

/*
Created by :
Mindwarp Internet Solutions.
visit us at http://www.mindwarp.nl
*/


function resetEmailField() {
	if (document.nieuwsbriefAanmeldenForm.emailaddress.value == '') {
		document.nieuwsbriefAanmeldenForm.emailaddress.value='e-mailadres...';
	}
}


function isEmailAddress (string) {
  var addressPattern = 
    /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
  return addressPattern.test(string);
}


/* nieuwsbriefAanmeldenForm */
function submitNieuwsbriefAanmeldenForm() {
var submitdata = true
var errorstr = ""
  
errorstr = "De volgende gegevens ontbreken of zijn niet compleet :\n";

	if (!isEmailAddress(document.nieuwsbriefAanmeldenForm.emailaddress.value))
	 {
	   errorstr = errorstr + "\n" + "  - E-mail";
	   submitdata = false;
	 }

	if (submitdata==true)
	 {
	   document.nieuwsbriefAanmeldenForm.action="nieuwsbrief-aanmelden.php";
	   document.nieuwsbriefAanmeldenForm.submit();
	 }
	 
 else
 {
   alert(errorstr);
   return false;
 }
}