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) { //v4.01
  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];}
}

/* -------------------------------------------------------------------------------------------------------------- */

// Check whether string s is empty.
function isEmpty(s) {
   return ((s == null) || (s.length == 0) || (s == "undefined"))
}


function isEmail(s)
{   

    // is s whitespace?
    if (isEmpty(s)) return false;
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}



/* ----------------------------------------------------------- */


function BotaoOver() {
document.DADOS.VALIDAR.style.background = "#778289";
}
function BotaoOut() {
document.DADOS.VALIDAR.style.background = "#414C53";
}


// retira os espaços do campo introduzido
function RetiraEspacos(campo){
  var i;
  var tamanho= campo.length;
  var resultado = "";
  for (i=0;i<tamanho;i++) {
    if (campo.charCodeAt(i)!=32)
      resultado+=campo.charAt(i);
  }
  return resultado;
}


// verifica se o campo introduzido é numerico
function isNumero(campo) {
  var campo=RetiraEspacos(campo);
  for (i=0;i<campo.length;i++) {
    if ((campo.charCodeAt(i)<48) || (campo.charCodeAt(i)>57))
      return true;
  }
  return false;
}


// Converte as plicas  
function ConvertPLICA(input) {
var i;
var output = "";
for (i=0; i<input.length; i++) {
	if ((input.charCodeAt(i) == 39)) {
		output += "´";
	} else {
		output += input.charAt(i);
	}
}
return output;
}


function abredisclamer() {

  var tamanho_horizontal = 480;
  var tamanho_vertical = 210;

  var url = "disclamer.asp";

  var ah = screen.availHeight;
  var aw = screen.availWidth;

  var local_esquerdo = parseInt((aw-tamanho_horizontal)/2);
  var local_topo = parseInt((ah-tamanho_vertical)/2);

  browserName = navigator.appName;
  if (browserName=="Netscape") {
	  var str_top = "screenX=";
	  var str_left = "screenY=";
  } else {
	  var str_top = "top=";
	  var str_left = "left=";  
  }	  	

  var features = "menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,dependent,titlebar=no,width=" + tamanho_horizontal + ",height=" + tamanho_vertical + "," + str_top + local_topo + "," + str_left + local_esquerdo;

  window.open(url, target="_blank", features);

}