var ie4 = document.all;
var ns4 = document.layers;
var ns6 = document.getElementById && !document.all; 

function submitNewsletterForm() {
	var re = /^[\w-\.]{1,}\@([\da-zA-Z-]{1,}\.){1,}[\da-zA-Z-]{2,3}$/;
	var reEmpty = /^(\s*)$/;
	var formObj = MM_findObj('newsletterForm');
	var oEmail = formObj['email'];
	var oNome = formObj['nome'];
	if (reEmpty.test(oNome.value)) {
		alert ('Por favor introduza o seu nome.');
		formObj['nome'].focus();
		return false;
	}
	if (!re.test(oEmail.value)) {
		alert ('Por favor introduza um email válido.');
		return false;
	}
	var win = popUpWindow('popup_newsletter.php?&addMember=newsletter&email='+oEmail.value+'&nome='+oNome.value, '', '', 350, 350);
	return false;
}

//////////////////////////////////////////////////////////////////////////////////////////////////////
function validateNewsletter(formObj) {
	var re = /^[\w-\.]{1,}\@([\da-zA-Z-]{1,}\.){1,}[\da-zA-Z-]{2,3}$/;
	var reEmpty = /^(\s*)$/;
	var emailVal = formObj['email'].value;
	var nomeVal = formObj['nome'].value;
	if (reEmpty.test(nomeVal)) {
		alert ('Por favor introduza o seu nome.');
		formObj['nome'].focus();
		return false;
	}
	if (!re.test(emailVal)) {
		alert ('Por favor introduza um email válido.');
		formObj['email'].focus();
		return false;
	}
	return true;
}

//////////////////////////////////////////////////////////////////////////////////////////////////////

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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

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];}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////

var popUpWin=0;
var arrPopups = new Array();

function messageWindow(title, msg)
{
  var width="300", height="125";
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;
  var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
  var msgWindow = window.open("","msgWindow", styleStr);
  var head = '<head><title>'+title+'</title><link href="/inc/styles.css" rel="stylesheet" type="text/css"></head>';
  var body = '<body onLoad="MM_preloadImages(<?=getPreloadImages()?>)"><center>'+msg+'<br><p><form><input type="button" value="   Ok   " onClick="self.close()"></form></body>';
  msgWindow.document.write(head + body);
}

function popUpWindow(URLStr, left, top, width, height, scrollbar)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  if (!scrollbar) scrollbar = 'scrollbar=no';
  else scrollbar = 'scrollbars';
  if (!left) left = (screen.width/2) - width/2;
  if (!top) top = (screen.height/2) - height/2;
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,'+scrollbar+',resizable=no,copyhistory=no,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

//////////////////////////////////////////////////////////////////////////////////////////////////////