/*-----------------------------------------------------------------------------+
| Funções Gerais JavaScript                                                    |
+-----------------------------------------------------------------------------*/

function popup(url,w,h){
	window.open(url,"","toobar=no,location=no,directories=no,maximize=no,menubar=no,scrollbars=yes,status=no,resizable=no,WIDTH="+w+",HEIGHT="+h+",top=0,left=50");
}

function roundNumber(preco) {
	var numberField = preco;
	var rlength = 2; // The number of decimal places to round to
	var newnumber = Math.round(numberField*Math.pow(10,rlength))/Math.pow(10,rlength);
	return newnumber;
}


function IsNumeric(sText)
{
   var ValidChars = "123456789 ";
   var IsNumber=true;
   var Char;


   for (i = 0; i < sText.length && IsNumber == true; i++)
      {
      Char = sText.charAt(i);
      if (ValidChars.indexOf(Char) == -1)
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}


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_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_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_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];}
}

/* ---------------------------------------- Concelhos ---------------------------------------- */
function listaAgentes() {
	var tf = document.forms["concelhos"];
	var valor = tf.cID.options[tf.cID.selectedIndex].value;
	document.location = "/servicos/lista.php?menu=2&cID=" + valor;
}

/* ---------------------------------------- Favoritos ---------------------------------------- */
function  addFavoritos(url, nome) {
	if (document.all)
		window.external.AddFavorite(url, nome);
	else if (window.sidebar)
		window.sidebar.addPanel(nome, url, "")
}

/* ---------------------------------------- Validação ---------------------------------------- */
// check login fields
function checkLogin() {
	if (document.frmLogin.usr.value.length == 0) {
	  alert('Por favor escreva o username.');
	  document.frmLogin.usr.focus();
	  return false;
	}
	if (document.frmLogin.pwd.value.length == 0) {
	  alert('Por favor escreva a password.');
	  document.frmLogin.pwd.focus();
	  return false;
	}
}

// newsletter e-mail cleaner
function clearText() {
	if (document.frmNewsletter.email.value == 'o seu e-mail') {
		document.frmNewsletter.email.value = '';
		return false;
	}
}

// check newsletter email
function checkMail() {
	if (document.frmNewsletter.email.value.length == 0) {
	  alert('Por favor escreva um e-mail válido.');
	  document.frmLogin.usr.focus();
	  return false;
	}
	if (document.frmNewsletter.email.value == 'o seu e-mail') {
	  alert('Por favor escreva um e-mail válido.');
	  document.frmLogin.usr.focus();
	  return false;
	}
}