function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function alert_submit_form()
{
  var realname = window.document.mailinglist.realname.value;
  var address = window.document.mailinglist.address.value;
  var suburb = window.document.mailinglist.suburb.value;
  var city = window.document.mailinglist.city.value;
  var recipient = window.document.mailinglist.recipient.value;
  var subject = window.document.mailinglist.subject.value;
  var redirect = window.document.mailinglist.redirect.value;
  var missing_fields_redirect = window.document.mailinglist.missing_fields_redirect.value;
  var required = window.document.mailinglist.required.value;
  var print_config = window.document.mailinglist.print_config.value;
  var email = window.document.mailinglist.email.value;
  
  //check email address if there is one...

  //check all the required fields are in...
  if((realname)&&(address)&&(city)&&(suburb)&&(recipient)&&(subject)&&(redirect)&&(missing_fields_redirect)&&(required)&&(print_config)&&(email)){
  if(email){
  if(!isEmailAddr(email)){
  alert('Please enter a valid email address');
  return false;
  } else {
  return true;
  }
  } else {
  return true;
  }
  } else {
  alert('Please fill in all required fields');
  return false;
  }
}

// popup a message
function display_message(message)
{
  alert(message);
}  

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'':(v='hide')?'none':v; }
    obj.display=v; }
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
function textCounter(field, maxlimit) {
if (field.value.length > maxlimit) 
{
field.value = field.value.substring(0, maxlimit);
}
}