function isEmail (sEmail) {
var regEmail = 
 /^([\w-]+\.?)*\w+@([\da-zA-z-]+\.)+[a-zA-z]{2,3}$/
 return regEmail.test(sEmail);
}

function validSubmission(frm){
 el = document.getElementById("_newuser_email");
 if (!isEmail(el.value)) {
  alert("ikke gyldig epostadresse");
  el.focus();
  return false;
 } else {
  return true;
 }
 return false;
}

function getInputs(obj) {
  if( obj == 'undefined' ) return false;
  formElements = obj.getElementsByTagName('*');
  a = '';
  o = 0;
  for( i=0; formElements.length>i; i++ ) {
    element = formElements[i];
    if( element.getAttribute('type') == 'text' || element.getAttribute('type') == 'hidden' || element.nodeName=='TEXTAREA' ) {
      a += ( o == 0 ? '' : '&' );
      a += element.getAttribute('name');
      a += '=';
      a += element.value;
      o++;
    }
  }
  return a;
}

  
var http_request = false;
var objectResponse = '';
var output = true;
function makePOSTRequest(url, parameters, res, requestOnly) {
  http_request = false;
  objectResponse = res;
  output = (requestOnly=='undefined' ? output : requestOnly);
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
     http_request = new XMLHttpRequest();
     if (http_request.overrideMimeType) {
        // set type accordingly to anticipated content type
        //http_request.overrideMimeType('text/xml');
        http_request.overrideMimeType('text/html');
     }
  } else if (window.ActiveXObject) { // IE
     try {
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (e) {
        try {
           http_request = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e) {}
     }
  }
  if (!http_request) {
    alert('Cannot create XMLHTTP instance');
  }
  
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Charset", 'ISO-8859-1');
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function obj(objId) {
  return document.getElementById(objId);
}


function alertContents() {
  return true;
}