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];}
}

function abre_janela_abstract(link){

	var largura = 332;
	var altura = 509;
	var w = largura;
	var h = altura;
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',title=Sociedade Portuguesa de Reumatologia,status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no';
	win = window.open(link, 'SPR', winprops);
	if (parseInt(navigator.appVersion) >= 4) win.window.focus();

}

function ver_imagem(path, titulo,imgwidth,imgheight){

	var w = imgwidth;
	var h = imgheight;
	var largura = w;
	var altura = h;
	var screenX = screen.width;
	var screenY = screen.height;
	var winl;
	var wint;

	if (w > screenX){
		largura = screenX;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = (h * screenX) / (w);
		}
	} else {
		largura = w;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = h;
		}
	}

	winl = (screenX - largura) / 2;
	wint = (screenY - altura) / 2;

	winprops = 'height='+altura+',width='+largura+',top='+wint+',left='+winl+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no';
	win = window.open('imagem.php?titulo='+titulo+'&imagem='+path+'&width='+largura+'&height='+altura,'', winprops);
	if (parseInt(navigator.appVersion) >= 4) win.window.focus();
}

function ver_imagem_keyword(raiz,path, titulo,imgwidth,imgheight){

	var w = imgwidth;
	var h = imgheight;
	var largura = w;
	var altura = h;
	var screenX = screen.width;
	var screenY = screen.height;
	var winl;
	var wint;

	if (w > screenX){
		largura = screenX;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = (h * screenX) / (w);
		}
	} else {
		largura = w;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = h;
		}
	}

	winl = (screenX - largura) / 2;
	wint = (screenY - altura) / 2;

	winprops = 'height='+altura+',width='+largura+',top='+wint+',left='+winl+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no';
	win = window.open(raiz+'imagem.php?titulo='+titulo+'&imagem='+path+'&width='+largura+'&height='+altura,'', winprops);
	if (parseInt(navigator.appVersion) >= 4) win.window.focus();
}

//esta funcao serve para alterar a cor do texto de press_realeases ao passar o rato
function changeStyleById(id, color){
	if (document.getElementById){
		var nodeObj = document.getElementById(id);
		nodeObj.style.color = color;
	}
}

function open_calendario(url, form, campo, dataEntrada)
 {
	urlFinal = url + "?form=" + form + "&campo=" + campo;
			if(!dataEntrada == "") {
				urlFinal += "&data_entrada=" + dataEntrada;
			}
			var newWindow;
	newWindow = window.open(urlFinal,'','height=250,width=255,toolbar=no,minimize=no,status=no,menubar=no,location=no,scrollbars=no');
}

function nltobr (str){
	var str=new String(str);
	var primeira_pos=str.search(/<[ ]*table/g);
	var temp_pos;
	var inicio=1;

	var ma_array=str.match(/<[ ]*\/[ ]*table/g);
	if (ma_array) {
			ultima_pos=str.lastIndexOf(ma_array[ma_array.length-1]);
	}
	if (primeira_pos!=-1) {
			var new_str=(str.slice(0,primeira_pos)).replace(/\n/g,"<br>");
			new_str+=(str.slice(primeira_pos,ultima_pos));
			new_str+=(str.slice(ultima_pos)).replace(/\n/g,"<br>");
	}
	else {
			var new_str=str.replace(/\n/g,"<br>");
	}
	return new_str;
}

function mostra_imagem(strFile,file_dir) {
	var file_dir = file_dir || '/';
	if (strFile != '')
			preview3(file_dir+strFile, 600, 400);

}

function checkEnterPage(nform, evt)
{
	evt = (evt) ? evt : event
	var charCode = (evt.wich) ? evt.wich : evt.keyCode
	if (charCode == 13)
	{
		 nform.submit();
		 return false
	}
	return true
}

function sub_caract_esq(str)
{
	var str_sub=String(str);
	var regexp=/€/g;
	str_sub=str_sub.replace(regexp,'&euro;');
	regexp=/[”“]/g;
	str_sub=str_sub.replace(regexp,'"');
	regexp=/…/g;
	str_sub=str_sub.replace(regexp,'...');
	regexp=/–/g;
	str_sub=str_sub.replace(regexp,'-');
	return str_sub;
}

function IsNumeric(sText)
{
    var re = /^[0-9]+$/;
	var test = re.test(sText);
	var valida = true;
	if (test)
	  valida = false;
	//alert(valida);
	return valida;   
}


function ComandoSelected(nome,accao)
{
	document.forms[nome].action=accao;
	document.forms[nome].submit();
}

function preview_nome(accao,w,h,nome)
{
	window.open('<?=$_SERVER[HTTPS]==on?$base:$URL?>'+accao,nome,toolbar=no,width='+w+',height='+h+',directories=no,status=no,scrollbars=yes,resizable=no,menubar=no,location=no);
}

function preview(accao,w,h)
{
	window.open('<?=$_SERVER[HTTPS]==on?$base:$URL?>'+accao,'<?=$LOGIN_USER?>',toolbar=no,width='+w+',height='+h+',directories=no,status=no,scrollbars=yes,resizable=no,menubar=no,location=no);
}

function nova(accao,w,h)
{
	window.open('<?=$_SERVER[HTTPS]==on?$base:$URL?>'+accao,'<?=$LOGIN_USER?>',toolbar=no,width='+w+',height='+h+',directories=no,status=no,scrollbars=no,resizable=no,menubar=no,location=no);
}

function preview2(accao,w,h)
{
	window.open('<?=$_SERVER[HTTPS]==on?$base:$URL?>'+accao,'Imagem_<?=$LOGIN_USER?>',toolbar=no,width='+w+',height='+h+',directories=no,status=no,resizable=yes,menubar=yes,location=no);

}

function preview3(accao,w,h)
{
	window.open(accao,'Imagem_<?=$LOGIN_USER?>',toolbar=no,width='+w+',height='+h+',directories=no,status=no,resizable=yes,menubar=yes,location=no);

}

function nova_janela_centrada(endereco,title,w,h){
	
	var screenX = screen.width;
	var screenY = screen.height;
	var winl;
	var wint;

	if (w > screenX){
		largura = screenX;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = (h * screenX) / (w);
		}
	} else {
		largura = w;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = h;
		}
	}

	winl = (screenX - largura) / 2;
	wint = (screenY - altura) / 2;

	winprops = 'height='+altura+',width='+largura+',top='+wint+',left='+winl+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no';
	win = window.open(endereco,title, winprops);
	if (parseInt(navigator.appVersion) >= 4) win.window.focus();
}

function ver_header(id_ficheiro, w, h){

	var largura = w;
	var altura = h;
	var screenX = screen.width;
	var screenY = screen.height;
	var winl;
	var wint;

	if (w > screenX){
		largura = screenX;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = (h * screenX) / (w);
		}
	} else {
		largura = w;
		if (h > screenY){
			altura = screenY;
			largura = (w * screenY) / (h);
		} else {
			altura = h;
		}
	}

	winl = (screenX - largura) / 2;
	wint = (screenY - altura) / 2;

	winprops = 'height='+altura+',width='+largura+',top='+wint+',left='+winl+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no';
	win = window.open('imagem.php?imagem='+id_ficheiro+'&width='+w+'&height='+h,'', winprops);
	if (parseInt(navigator.appVersion) >= 4) win.window.focus();
}

function MultiSelector( list_target){
	this.list_target = list_target;
	this.count = 0;
	this.id = 0;
	this.addElement = function( element ){
		if( element.tagName == 'INPUT' && element.type == 'file' ){
			element.name = 'file[]';
			element.className= 'bo_gestao_fich_file';
			element.multi_selector = this;element.onchange = function(){
				var new_element = document.createElement( 'input' );
				new_element.type = 'file';
				this.parentNode.insertBefore( new_element, this );
				this.multi_selector.addElement( new_element );
				this.multi_selector.addListRow( this );
				this.style.position = 'absolute';
				this.style.left = '-1000px';
			};
			this.count++;
			this.current_element = element;
		} else {
			alert( 'Error: not a file input element' );
		};
	};
	this.addListRow = function( element ){
		var new_row = document.createElement( 'div' );
		var new_row_button = document.createElement( 'input' );
		new_row_button.type = 'button';
		new_row_button.value = 'remover';
		new_row_button.className = 'bo_gestao_fich_texto';
		new_row.element = element;
		new_row_button.onclick= function(){
			this.parentNode.element.parentNode.removeChild(
			this.parentNode.element );
			this.parentNode.parentNode.removeChild( this.parentNode );
			this.parentNode.element.multi_selector.count--;
			this.parentNode.element.multi_selector.current_element.disabled = false;
			return false;
		};
		new_row.innerHTML = '<b>' + element.value + '</b>  ';
		new_row.appendChild( new_row_button );
		this.list_target.appendChild( new_row );
	};
};

function ver_cartao(membro){

	var largura = 250;
	var altura = 420;
	var screenX = screen.width;
	var screenY = screen.height;
	
	winl = (screenX - largura) / 2;
	wint = (screenY - altura) / 2;

	winprops = 'height='+altura+',width='+largura+',top='+wint+',left='+winl+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no';
	window.open('cartao.php?id_membro='+membro,'Cartão', winprops);
	
}
function ver_cartao_pesquisado(membro){
	
	var largura = 250;
	var altura = 420;
	var screenX = screen.width;
	var screenY = screen.height;
	
	winl = (screenX - largura) / 2;
	wint = (screenY - altura) / 2;
	
	winprops = 'height='+altura+',width='+largura+',top='+wint+',left='+winl+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no';
	window.open('cartao.php?id_membro='+membro,'Cartão', winprops);

}

function displayWindow(theURL,winName,width,height,features) {

	var window_width = width;
    var window_height = height;
    var newfeatures= features;
    var window_top = (screen.height-window_height)/2;
    var window_left = (screen.width-window_width)/2;
    newWindow=window.open(''+ theURL + '',''+ winName + '','width=' + window_width + ',height=' + window_height + ',top=' + window_top + ',left=' + window_left + ',features=' + newfeatures + ',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no');
    newWindow.focus();
}

function ver_comentario(id_coment){

	var screenX = screen.width;
	var screenY = screen.height;

	winl = (screenX - 500) / 2;
	wint = (screenY - 260) / 2;

	winprops = 'height=260,width=500,top='+wint+',left='+winl+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,directories=no';
	win = window.open('coment.php?coment='+id_coment,'', winprops);
	if (parseInt(navigator.appVersion) >= 4) win.window.focus();
}

function fillSelectFromArray(selectCtrl, itemArray, defaultItem, goodPrompt, badPrompt) {
	var i, j;
	var prompt;
		
	// empty existing items
	for (i = selectCtrl.options.length; i >= 0; i--) {
		selectCtrl.options[i] = null;
	}
	prompt = (itemArray != null) ? goodPrompt : badPrompt;
	if (prompt == null) {
		j = 0;
	}
	else {
		selectCtrl.options[0] = new Option(prompt);
		j = 1;
	}
	if (itemArray != null) {
		// add new items
		for (i = 0; i < itemArray.length; i++) {
			selectCtrl.options[j] = new Option(itemArray[i][0]);
			if (itemArray[i][1] != null) {
				selectCtrl.options[j].value = itemArray[i][1];
			}
			if(itemArray[i][1] == defaultItem && defaultItem != null){
				selectCtrl.options[j].selected = true;
			}
			j++;
		}
		// select first item (prompt) for sub list

	 }
}

/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1a Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));}
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}
function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}
function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}
function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}

/*
 * Perform a simple self-test to see if the VM is working
 */
function sha1_vm_test()
{
  return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
}

/*
 * Calculate the SHA-1 of an array of big-endian words, and a bit length
 */
function core_sha1(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << (24 - len % 32);
  x[((len + 64 >> 9) << 4) + 15] = len;

  var w = Array(80);
  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;
  var e = -1009589776;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;
    var olde = e;

    for(var j = 0; j < 80; j++)
    {
      if(j < 16) w[j] = x[i + j];
      else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
      var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
                       safe_add(safe_add(e, w[j]), sha1_kt(j)));
      e = d;
      d = c;
      c = rol(b, 30);
      b = a;
      a = t;
    }

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
    e = safe_add(e, olde);
  }
  return Array(a, b, c, d, e);

}

/*
 * Perform the appropriate triplet combination function for the current
 * iteration
 */
function sha1_ft(t, b, c, d)
{
  if(t < 20) return (b & c) | ((~b) & d);
  if(t < 40) return b ^ c ^ d;
  if(t < 60) return (b & c) | (b & d) | (c & d);
  return b ^ c ^ d;
}

/*
 * Determine the appropriate additive constant for the current iteration
 */
function sha1_kt(t)
{
  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :
         (t < 60) ? -1894007588 : -899497514;
}

/*
 * Calculate the HMAC-SHA1 of a key and some data
 */
function core_hmac_sha1(key, data)
{
  var bkey = str2binb(key);
  if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
  return core_sha1(opad.concat(hash), 512 + 160);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert an 8-bit or 16-bit string to an array of big-endian words
 * In 8-bit function, characters >255 have their hi-byte silently ignored.
 */
function str2binb(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32);
  return bin;
}

/*
 * Convert an array of big-endian words to a string
 */
function binb2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask);
  return str;
}

/*
 * Convert an array of big-endian words to a hex string.
 */
function binb2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of big-endian words to a base-64 string
 */
function binb2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}


function ccnum(form){
	x001 = form.num001.value;
	x002 = form.num002.value;
	x003 = form.num003.value;
	x004 = form.num004.value;
	x = x001+x002+x003+x004;
	form.C003.value = x;
	seg_par(form);
}

function valdat(form){
	x001 = form.val_ano.value;
	x002 = form.val_mes.value;
	x = x001+x002;
	form.C004.value = x;
	seg_par(form);
}

function codcvv(form){
	form.C005.value = form.cvv.value;
	seg_par(form);
}

function seg_par(form){
	x000 = form.cs.value;
	x001 = form.sp.value;
	x002 = form.C003.value;
	x003 = form.C004.value;
	x004 = form.C005.value;
	x005 = form.C012.value;
	x006 = x001+x002+x003+x004+x005;
	x007 = hex_hmac_sha1(x000, x006);
	form.C013.value = x007.toUpperCase();
}

function closeall(layer){
	document.getElementById('pagamento1').style.display = 'none';
	document.getElementById('pagamento2').style.display = 'none';
	document.getElementById('pagamento3').style.display = 'none';
	document.getElementById('pagamento4').style.display = 'none';
	document.getElementById('pagamento5').style.display = 'none';
	document.getElementById(layer).style.display = 'block';
}

function soma_numero() { 
	 var _num001 = document.getElementById("3DSECURE").num001.value; 
	 var _num002 = document.getElementById("3DSECURE").num002.value; 
	 var _num003 = document.getElementById("3DSECURE").num003.value; 
	 var _num004 = document.getElementById("3DSECURE").num004.value; 
	 var numero_cc = _num001 + _num002 + _num003 + _num004;
	 checkCard(numero_cc);
	 document.getElementById("3DSECURE").C003.value  = numero_cc;  
	// alert(numero_cc);
} 

 function soma_validade() { 
	 var _val_mes = document.getElementById("3DSECURE").val_mes.value; 
	 var _val_ano = document.getElementById("3DSECURE").val_ano.value;
	 var validade = _val_ano + _val_mes;	
	 document.getElementById("3DSECURE").C004.value  = validade; 
	 //alert(validade);
}
 


  function validate_form_cheque()
	{
	document.getElementById("erro_letra").innerHTML = "";
	document.getElementById("erro_letra").style.display = 'none';
	
	
    valid = true;
	if(document.getElementById("3DSECURE").metodo[1].checked == true)
	{		
		if(document.getElementById("3DSECURE").agencia.value.length <= '1'){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza o nome da sua agência.<br>"; 
		}
		else if(document.getElementById("3DSECURE").cheque.value.length<=1){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza o número de cheque.<br>"; 
		}
		else if(IsNumeric(document.getElementById("3DSECURE").cheque.value)==true){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Apenas são aceites números.<br>"; 
		}	
	}
    if(valid==false){
    	document.getElementById("erro_letra").style.display = 'block';
		 return valid;
    }
    if(valid==true){
    	document.getElementById("erro_letra").style.display = 'none';
		 return valid;
    }
  }
  
   function validate_form_vale()
	{
	document.getElementById("erro_letra").innerHTML = "";
	document.getElementById("erro_letra").style.display = 'none';
	
	
    valid = true;
	if(document.getElementById("3DSECURE").metodo[4].checked == true)
	{		
		if(document.getElementById("3DSECURE").numero_vale.value.length<=1){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza o número de cheque.<br>"; 
		}
		else if(IsNumeric(document.getElementById("3DSECURE").numero_vale.value)==true){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Apenas são aceites números.<br>"; 
		}	
	}
    if(valid==false){
    	document.getElementById("erro_letra").style.display = 'block';
		 return valid;
    }
    if(valid==true){
    	document.getElementById("erro_letra").style.display = 'none';
		 return valid;
    }
  }
 
 function validate_form()
{
	document.getElementById("erro_letra").innerHTML = "";
	document.getElementById("erro_letra").style.display = 'none';
	
	
    valid = true;
     var _num001 = document.getElementById("3DSECURE").num001.value; 
	 var _num002 = document.getElementById("3DSECURE").num002.value; 
	 var _num003 = document.getElementById("3DSECURE").num003.value; 
	 var _num004 = document.getElementById("3DSECURE").num004.value; 
	 var numero_cc = _num001 + _num002 + _num003 + _num004;
	if(document.getElementById("3DSECURE").metodo[0].checked == true)
	{
		if(document.getElementById("3DSECURE").num001.value.length != '4'){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza os 4 números da 1ª parcela.<br>"; 
		}	
		else if(IsNumeric(document.getElementById("3DSECURE").num001.value)==true){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Apenas são aceites números.<br>"; 
		}
		else if(document.getElementById("3DSECURE").num002.value.length!=4){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza os 4 números da 2ª parcela.<br>"; 
		}
		else if(IsNumeric(document.getElementById("3DSECURE").num002.value)==true){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Apenas são aceites números.<br>"; 	
		}
		else if(document.getElementById("3DSECURE").num003.value.length!=4){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza os 4 números da 3ª parcela.<br>"; 
		}	
		else if(IsNumeric(document.getElementById("3DSECURE").num003.value)==true){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Apenas são aceites números.<br>"; 
		}
		else if(document.getElementById("3DSECURE").num004.value.length!=4){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza os 4 últimos números na 4ª parcela.<br>"; 
		}
		else if(IsNumeric(document.getElementById("3DSECURE").num004.value)==true){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Apenas são aceites números.<br>"; 	
		}else if(checkCard(numero_cc)==false){
			valid = false;
			document.getElementById("erro_letra").innerHTML += "O número do cartão é inválido.<br>Por favor, verifique se o introduziu correctamente.<br>"; 
		}else if(IsNumeric(document.getElementById("3DSECURE").val_mes.value)==true){
			valid = false;
			
			document.getElementById("erro_letra").innerHTML += "Apenas são aceites números na validade do mês do seu cartão (mm).<br>"; 
		}	
		else if(document.getElementById("3DSECURE").val_mes.value.length!=2){
			
			valid = false;
			document.getElementById("erro_letra").innerHTML += "Introduza o mês de validade do seu cartão (mm).<br>"; 			
		}	
		if(document.getElementById("3DSECURE").val_mes.value.length==2 && IsNumeric(document.getElementById("3DSECURE").val_mes.value)==false){
			var avancar=0;
			
			switch (document.getElementById("3DSECURE").val_mes.value){
					case "01": 
					case "02": 
					case "03": 
					case "04": 
					case "05": 
					case "06": 
					case "07": 
					case "08": 
					case "09": 
					case "10": 
					case "11": 
					case "12": 						
						avancar=1;						
						break;					
					default : 
						valid = false;	
						document.getElementById("erro_letra").innerHTML += "Os números do mês de validade do seu cartão têm de estar entre os valores 01 e 12.<br>"; 
						avancar=0;		
						break;	
						
				}
		}
		if(avancar=='1'){		
			if(document.getElementById("3DSECURE").val_ano.value.length != '4'){
				valid = false;
				document.getElementById("erro_letra").innerHTML += "Introduza o ano de validade do seu cartão (aaaa).<br>"; 
			}		
			else if(IsNumeric(document.getElementById("3DSECURE").val_ano.value)==true){
				valid = false;
				document.getElementById("erro_letra").innerHTML += "Apenas são aceites números no ano de validade do seu cartão (aaaa)."; 
			}	
			else if(Number(document.getElementById("3DSECURE").val_ano.value) < 2007 || Number(document.getElementById("3DSECURE").val_ano.value) > 2020){
				valid = false;
				document.getElementById("erro_letra").innerHTML += "O ano de validade do seu cartão tem de ser superior ao ano actual e inferior a 2020.<br>"; 
			}	
			else if(IsNumeric(document.getElementById("3DSECURE").cvv.value)==true){
				valid = false;
				document.getElementById("erro_letra").innerHTML += "Apenas são aceites números no CVV.<br>"; 
			}		
			else if(document.getElementById("3DSECURE").cvv.value.length!=3){
				valid = false;	
				document.getElementById("erro_letra").innerHTML += "Necessita de introduzir os 3 números do seu CVV.<br>"; 
			}	
			else  {
				
			}
		}
	}
    if(valid==false){
    	document.getElementById("erro_letra").style.display = 'block';    		 
    }
    if(valid==true){
    	document.getElementById("erro_letra").style.display = 'none';
    	soma_numero();
    	soma_validade(); 
    	 document.getElementById("3DSECURE").C005.value  = document.getElementById("3DSECURE").cvv.value;    	
    	//soma_tudo();    
    	ajaxFunction();    		   	
    }
    return valid;
  }
 
  
  
  
function isCreditCard( CC )
{
	if (CC.length > 19)
		return (false);
	
	sum = 0; 
	mul = 1; 
	l = CC.length;
	for (i = 0; i < l; i++)
	{
		digit = CC.substring(l-i-1,l-i);
		tproduct = parseInt(digit ,10)*mul;
		if (tproduct >= 10)
			sum += (tproduct % 10) + 1;
		else
			sum += tproduct;
		if (mul == 1)
			mul++;
		else
			mul--;
	}
	if ((sum % 10) == 0)
		return (true);
	else
		return (false);
}

function isVisa( cc )
{
	if( (cc.substring(0,1) == 4) && (cc.length == 16) || (cc.length == 13) )
	{
		return isCreditCard( cc );
	}
	return (false);
}

function isMC( cc )
{
	if( (cc.length == 16) && (cc.substring(0,2) == 51)	|| (cc.substring(0,2) == 52) || (cc.substring(0,2) == 53) || (cc.substring(0,2) == 54) || (cc.substring(0,2) == 55) )
	{
		return isCreditCard( cc );
	}
	return (false);
}

function checkCard(cc){
	
	var ccredito=false;
	var validar=false;
	if(!isCreditCard( cc )) { 
		ccredito=true;		
	}
	if(isMC( cc )) { 
		validar = true;
	}	
	if(isVisa( cc )) {
		validar = true;
	}	
	return validar;
}

function addquot (str){
	var str=new String(str);
	var new_str=str.replace(/["]/g,"&quot;");
	return new_str;
}

function limitInput(limitField, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	}
}

function altera_href_link(document,campo){
	for(i=37;i<=63;i++){
		document.links[i].href+='&campo='+campo;
	}
}