//funciones.js
// Funciones utilizadas en la mayoría de los documentos
// Actualizado: 20/07/06
// bloqueos de teclado
//if (document.event.keyCode == 116) {event.returnValue = false}
am = "<----- Informatic ----->";
bV  = parseInt(navigator.appVersion)
bNS = navigator.appName=="Netscape"
bIE = navigator.appName=="Microsoft Internet Explorer"

function nrc(e) {
   if (bNS && e.which > 1){
     // alert(am)
      return false
   } else if (bIE && (event.button >1)) {
     // alert(am)
     return false;
   }
}

document.onmousedown = nrc;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
if (bNS && bV<5) window.onmousedown = nrc;


//MACROMEDIA SWAP IMAGE

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];}
}





//funciones de inicio general
document.onkeydown = keyPress;  

function keyPress(key) 
{
if(window.event.keyCode==8 && window.event.srcElement.tagName!='INPUT' && window.event.srcElement.tagName!='TEXTAREA')
{ alert('En esta página no se admite la tecla BackSpace');return false;} 

}

// layer de ayuda
var ie = document.all ? 1 : 0
var ns = document.layers ? 1 : 0

if(ns){doc = "document."; sty = ""}
if(ie){doc = "document.all."; sty = ".style"}

var initialize = 0
var Ex, Ey, topColor, subColor, ContentInfo


if(ie){
Ex = "event.x"
Ey = "event.y"

topColor = "#F2F2F2"
subColor = "#FFFFEC"
}

if(ns){
Ex = "e.pageX"
Ey = "e.pageY"
window.captureEvents(Event.MOUSEMOVE)
window.onmousemove=overhere

topColor = "#808080"
subColor = "#C0C0C0"
}

function MoveToolTip(layerName, FromTop, FromLeft, e){
if(ie){eval(doc + layerName + sty + ".top = "  + (eval(FromTop) + document.body.scrollTop))}
if(ns){eval(doc + layerName + sty + ".top = "  +  eval(FromTop))}
eval(doc + layerName + sty + ".left = " + (eval(FromLeft) + 15))
}


function ReplaceContent(layerName){

if(ie){document.all[layerName].innerHTML = ContentInfo}


if(ns){

with(document.layers[layerName].document) 
{ 
   open(); 
   write(ContentInfo); 
   close(); 
}
}

}

function Activate(){initialize=1}
function deActivate(){initialize=0}


function overhere(e){
if(initialize){

MoveToolTip("ToolTip", Ey, Ex, e)
eval(doc + "ToolTip" + sty + ".visibility = 'visible'")
}

else{
MoveToolTip("ToolTip", 0, 0)
eval(doc + "ToolTip" + sty + ".visibility = 'hidden'")
}

}


function EnterContent(layerName, TTitle, TContent){

ContentInfo = '<table border="0" width="150" cellspacing="0" cellpadding="0">'+
'<tr><td width="100%" bgcolor="#000000">'+

'<table border="0" width="100%" cellspacing="1" cellpadding="0">'+
'<tr><td width="100%" bgcolor='+topColor+'>'+

'<table border="0" width="90%" cellspacing="0" cellpadding="0" align="center">'+
'<tr><td width="100%">'+

'<font class="tooltiptitle">&nbsp;'+TTitle+'</font>'+

'</td></tr>'+
'</table>'+

'</td></tr>'+

'<tr><td width="100%" bgcolor='+subColor+'>'+

'<table border="0" width="90%" cellpadding="0" cellspacing="1" align="center">'+

'<tr><td width="100%">'+

'<font class="tooltipcontent">'+TContent+'</font>'+

'</td></tr>'+
'</table>'+

'</td></tr>'+
'</table>'+

'</td></tr>'+
'</table>';


ReplaceContent(layerName)

}
////////////fin layer help

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function winBRopen(theURL, Name, popW, popH, scroll,resizable) { // V 1.0
var winleft = (screen.width - popW) / 2;
var winUp = (screen.height - popH) / 2;
winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable='+resizable
Win = window.open(theURL, Name, winProp)
if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); }

}

function EsFechaSimple(s) { 
var Tentativa = new Date(s.value);
 if (isNaN(Tentativa) && s.value != '') {alert('Por favor ingrese una fecha con formato dd/mm/aa o dd/mm/aaaa'); s.select(); return false; } 
 else { return true; } 
}

function EsFecha(field){
var checkstr = "0123456789";
var DateField = field;
var Datevalue = "";
var DateTemp = "";
var seperator = "-";
var day;
var month;
var year;
var leap = 0;
var err = 0;
var i;
   err = 0;
   DateValue = DateField.value;
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
	  if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
	     DateTemp = DateTemp + DateValue.substr(i,1);
	  }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if (DateValue.length == 6) {
	if (DateValue.substr(4,2)< 20) {	
      	DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2);
				}
	else
				{
	DateValue = DateValue.substr(0,4) + '19' + DateValue.substr(4,2);
				}
 }
   if (DateValue.length != 8) {
      err = 19;}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   day = DateValue.substr(0,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   }
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 0; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
   if (err == 0) {
      DateField.value = day + seperator + month + seperator + year;
   }
   /* Error-message if err != 0 */
   else {
      alert("Fecha incorrecta!\nPor favor ingrese fecha en formato dd/mm/aa o dd/mm/aaaa.");
      DateField.select();
	  DateField.focus();
	  return false;
   }
}

function numerico() {
//alert(event.keyCode);
if ((event.keyCode  < 48 || event.keyCode > 57) && event.keyCode != 8 && event.keyCode != 9 && (event.keyCode  < 96 || event.keyCode > 105)){event.returnValue = false};
}

function numericoypunto() {
//alert(event.keyCode);
if ((event.keyCode  < 48 || event.keyCode > 57) && event.keyCode != 46 && event.keyCode != 8 && event.keyCode != 190&& event.keyCode != 9  && (event.keyCode  < 96 || event.keyCode > 105))  event.returnValue = false;
}

function numericoycoma() {
//alert(event.keyCode);
if ((event.keyCode  < 48 || event.keyCode > 57) && event.keyCode != 46 && event.keyCode != 8 && event.keyCode != 188 && event.keyCode != 9  && (event.keyCode  < 96 || event.keyCode > 105))  event.returnValue = false;
}

// CAMBIA A TEXTO CAPITAL
function changeCase(frmObj) {
var index;
var tmpStr;
var tmpChar;
var preString;
var postString;
var strlen;
tmpStr = frmObj.value.toLowerCase();
strLen = tmpStr.length;
if (strLen > 0)  {
//alert (tmpStr)
for (index = 0; index < strLen; index++)  {
if (index == 0)  {
tmpChar = tmpStr.substring(0,1).toUpperCase();
//alert(tmpChar);
postString = tmpStr.substring(1,strLen);
tmpStr = tmpChar + postString;
}
else {
tmpChar = tmpStr.substring(index, index+1);
if (tmpChar == " " && index < (strLen-1))  {
tmpChar = tmpStr.substring(index+1, index+2).toUpperCase();
preString = tmpStr.substring(0, index+1);
postString = tmpStr.substring(index+2,strLen);
tmpStr = preString + tmpChar + postString;
         }
      }
   }
}
frmObj.value = tmpStr;
}
//******************************************
// Lleva texto a mayúscula
function mayuscula(frm) {
frm.value = frm.value.toUpperCase();
}

function minuscula(frm) {
frm.value = frm.toLowerCase();
}
//***********************************************************
//agrega puntos a un numero
function Comma(valor) {
var number;
var output;
output = ''

number = valor.value;
number = '' + number;
//sacamos todas las comas
for (i=0 ; i < number.length ; i++) {
	temp = number.substring(i,i+1)
	if ( temp!= ',') { output += temp;}
	}
//volvemos a agregar comas
number = output
if (number.length > 3) {
var mod = number.length % 3;
var output = (mod > 0 ? (number.substring(0,mod)) : '');
for (i=0 ; i < Math.floor(number.length / 3); i++) {
if ((mod == 0) && (i == 0))
output += number.substring(mod+ 3 * i, mod + 3 * i + 3);
else
output+= '.' + number.substring(mod + 3 * i, mod + 3 * i + 3);
}
//return (output);
valor.value = output
}
else 
//return number;
valor.value = number;
}
//***********************************************************
//agrega puntos a un numero
function Comma2(valor) {
var number;
var output;
output = ''

number = valor;
number = '' + number;
//sacamos todas las comas
for (i=0 ; i < number.length ; i++) {
	temp = number.substring(i,i+1)
	if ( temp!= '.') { output += temp;}
	}
//volvemos a agregar comas
number = output
if (number.length > 3) {
var mod = number.length % 3;
var output = (mod > 0 ? (number.substring(0,mod)) : '');
for (i=0 ; i < Math.floor(number.length / 3); i++) {
if ((mod == 0) && (i == 0))
output += number.substring(mod+ 3 * i, mod + 3 * i + 3);
else
output+= '.' + number.substring(mod + 3 * i, mod + 3 * i + 3);
}
return (output);
//valor.value = output
}
else 
return number;
//valor.value = number;
}

//***********************************************************
//saca las comas de un número
function SacaPuntos(valor) {
var number;
var output;
var temp;
number = valor.value;
output = ''
for (i=0 ; i < number.length ; i++) {
	temp = number.substring(i,i+1)
	if ( temp!= '.') { output += temp;}
	}
//alert (output);
//output = output +''
valor.value = output
valor.focus();
//
}

//***********************************************************
//saca las comas de un número
function SacaPuntos2(valor) {
var number;
var output;
var temp;
number = valor;
output = ''
for (i=0 ; i < number.length ; i++) {
	temp = number.substring(i,i+1)
	if ( temp!= '.') { output += temp;}
	}
//alert (output);
//output = output +''
return output
}

function round(number,X) {
// rounds number to X decimal places, defaults to 2
//X = (!X ? 0 : X);
return Math.round(number*Math.pow(10,X))/Math.pow(10,X);
}
function Anulador(valor,alt) {
if(valor == '') {return alt}
else {return valor}
}
//***********************************************************
//valida email

function emailCheck (emailStr) {
if (emailStr =='') { return true;}
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
	alert("Dirección de correo inválida (chequee @ y .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]


if (user.match(userPat)==null) {

    alert("El username no se ve válido.")
    return false
}

var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}


var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("El nombre del dominio no es válido.")
    return false
}


var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {

   alert("El correo debe terminar con las tres letras del dominio o las dos letras del país.")
   return false
}


if (len<2) {
   var errStr="Esta dirección perdió su hostname!"
   alert(errStr)
   return false
}
return true;
}

function showBlank(field, obj) {
msg = "Se ha omitido un campo requerido.\n" + field + " se dejó en blanco.\n";
alert(msg);
obj.focus();
}

function showError(showmsg, obj) {
alert(showmsg);
obj.focus();
}

function focusLanguage(obj) {
	if(obj.style.backgroundColor== "") {	obj.style.backgroundColor = "#eeeeee";}
}

function blurLanguage(obj) {
	obj.style.backgroundColor = ""
}	

function focusErr(obj) {
	obj.focus()	
	obj.style.backgroundColor = "#F1F99B";
}

function selectErr(obj) {
	obj.select()	
	obj.style.backgroundColor = "#F1F99B";
}



// inicio descripcion en layer
function setupDescriptions() {
var x = navigator.appVersion;
y = x.substring(0,4);
if (y>=4) setVariables();
}
var x,y,a,b;
function setVariables(){
if (navigator.appName == "Netscape") {
h=".left=";
v=".top=";
dS="document.";
sD="";
}
else 
{
h=".pixelLeft=";
v=".pixelTop=";
dS="";
sD=".style";
   }
}
var isNav = (navigator.appName.indexOf("Netscape") !=-1);
function popLayer(a,detalle){
desc = "<table width=250 cellpadding=2 border=0 class='tabla'><tr><td><b>" + a +"</b></td></tr><td>";
desc += detalle;
desc += "</td></tr></table>";

if(isNav) {
document.object1.document.write(desc);
document.object1.document.close();
document.object1.left=x+5;
document.object1.top=y;
}
else {
object1.innerHTML=desc;
eval(dS+"object1"+sD+h+(x+5));
eval(dS+"object1"+sD+v+y);
   }
}
function hideLayer(a){
if(isNav) {
eval(document.object1.top=a);
}
else object1.innerHTML="";
}
function handlerMM(e){
x = (isNav) ? e.pageX : event.clientX;
y = (isNav) ? e.pageY : event.clientY;
}
if (isNav){
document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = handlerMM;
// fin funcion descripcion en layer


//deshabilita botones de form cuando hace submit
function disableForm(form1) {
if (document.all || document.getElementById) {
for (i = 0; i < form1.length; i++) {
var tempobj = form1.elements[i];
if (tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset" || tempobj.type.toLowerCase() == "button" || tempobj.type.toLowerCase() == "image" )
//tempobj.disabled = true;
tempobj.style.visibility = "hidden";
}
return true;
}
}

function confirma(txt) {
if(!confirm(txt)==true) {return false};
return true;
}

//Función para calendario
function calendar_open(campo)
{
var newWindow;
var urlstring = 'Calendar/Calendar.asp?campo='+ campo
//newWindow = window.open(urlstring,'','height=200,width=270,toolbar=no,minimize=no,status=no,memubar=no,location=no,scrollbars=no')

newWindow = winBRopen(urlstring,'','260','200','no','no')
}

function formatCurrency(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "<%= decimales %>";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+'.'+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + '' + num + ',' + cents);
//return (((sign)?'':'-') + '' + num);
} 

function Comparar_Fecha(Obj1,Obj2) 
{
String1 = Obj1;
String2 = Obj2;
// Si los dias y los meses llegan con un valor menor que 10 
// Se concatena un 0 a cada valor dentro del string 
if (String1.substring(1,2)=="-") {
String1="0"+String1
}
if (String1.substring(4,5)=="-"){
String1=String1.substring(0,3)+"0"+String1.substring(3,9)
}

if (String2.substring(1,2)=="-") {
String2="0"+String2
}
if (String2.substring(4,5)=="-"){
String2=String2.substring(0,3)+"0"+String2.substring(3,9)
}

dia1=String1.substring(0,2);
mes1=String1.substring(3,5);
anyo1=String1.substring(6,10);
dia2=String2.substring(0,2);
mes2=String2.substring(3,5);
anyo2=String2.substring(6,10);


if (dia1 == "08") // parseInt("08") == 10 base octogonal
dia1 = "8";
if (dia1 == '09') // parseInt("09") == 11 base octogonal
dia1 = "9";
if (mes1 == "08") // parseInt("08") == 10 base octogonal
mes1 = "8";
if (mes1 == "09") // parseInt("09") == 11 base octogonal
mes1 = "9";
if (dia2 == "08") // parseInt("08") == 10 base octogonal
dia2 = "8";
if (dia2 == '09') // parseInt("09") == 11 base octogonal
dia2 = "9";
if (mes2 == "08") // parseInt("08") == 10 base octogonal
mes2 = "8";
if (mes2 == "09") // parseInt("09") == 11 base octogonal
mes2 = "9";

dia1=parseInt(dia1);
dia2=parseInt(dia2);
mes1=parseInt(mes1);
mes2=parseInt(mes2);
anyo1=parseInt(anyo1);
anyo2=parseInt(anyo2);

if (anyo1>anyo2)
{
return false;
}

if ((anyo1==anyo2) && (mes1>mes2))
{
return false;
}
if ((anyo1==anyo2) && (mes1==mes2) && (dia1>dia2))
{
return false;
} 

return true;
}

function EsTexto(e) {
      var val;
      if(typeof e.which != 'undefined') {
            val = e.which;
      }
      else {
            val = e.keyCode;
      }
      //alert(val);
      switch (val) {
            case 0:  //navigation keys in Mozilla
            case 8:  //backspace
            case 13: //enter
            case 32: //espacio
            case 45: //- (guión)			
            case 46: //. (period)
            case 65: //A
            case 66: //B
            case 67: //C
            case 68: //D
            case 69: //E
            case 70: //F
            case 71: //G
            case 72: //H
            case 73: //I
            case 74: //J
            case 75: //K
            case 76: //L
            case 77: //M
            case 78: //N
            case 79: //O
            case 80: //P
            case 81: //Q
            case 82: //R
            case 83: //S
            case 84: //T
            case 85: //U
            case 86: //V
            case 87: //W
            case 88: //X
            case 89: //Y
            case 90: //Z
            case 209: //Ñ
            case 97: //a
            case 98: //b
            case 99: //c
            case 100: //d
            case 101: //e
            case 102: //f
            case 103: //g
            case 104: //h
            case 105: //1
            case 106: //j
            case 107: //k
            case 108: //l
            case 109: //m
            case 110: //n
            case 111: //o
            case 112: //p
            case 113: //q
            case 114: //r
            case 115: //s
            case 116: //t
            case 117: //u
            case 118: //v
            case 119: //w
            case 120: //x
            case 121: //y
            case 122: //z
            case 241: //ñ
			case 192: // À
			case 193: // Á
			case 200: // È
			case 201: // É
			case 204: // Ì
			case 205: // Í
			case 210: // Ò
			case 211: // Ó
			case 217: // Ù
			case 218: // Ú
			case 224: // à
			case 225: // á
			case 232: // è
			case 233: // é
			case 236: // ì
			case 236: // í
			case 242: // ò
			case 243: // ó
			case 249: // ù
			case 250: // ú
			case 246: // ö
			case 228: // ä
			case 252: // ü			
			
                  return true;
            default:
                  return false;
      }
}

function NumeroEntero(e) {
      var val;
      if(typeof e.which != 'undefined') {
            val = e.which;
      }
      else {
            val = e.keyCode;
      }
      //alert(e.which);
      switch (val) {
            case 0:  //navigation keys in Mozilla
            case 8:  //backspace
            case 13: //enter
            case 48: //0
            case 49: //1
            case 50: //2
            case 51: //3
            case 52: //4
            case 53: //5
            case 54: //6
            case 55: //7
            case 56: //8
            case 57: //9
            case 96: //0 teclado lateral
            case 97: //1 teclado lateral
            case 98: //2 teclado lateral
            case 99: //3 teclado lateral
            case 100: //4 teclado lateral
            case 101: //5 teclado lateral
            case 102: //6 teclado lateral
            case 103: //7 teclado lateral
            case 104: //8 teclado lateral         
			case 105: //9 teclado lateral		
                  return true;
            default:
                  return false;
      }
}

function EsDvRut(e) {
      var val;
      if(typeof e.which != 'undefined') {
            val = e.which;
      }
      else {
            val = e.keyCode;
      }
     // alert(val);
      switch (val) {
            case 0:  //navigation keys in Mozilla
            case 8:  //backspace
            case 9:  //tab
            case 13: //enter
            case 48: //0
            case 49: //1
            case 50: //2
            case 51: //3
            case 52: //4
            case 53: //5
            case 54: //6
            case 55: //7
            case 56: //8
            case 57: //9
            case 75: //K
            case 96: //0 teclado lateral
            case 97: //1 teclado lateral
            case 98: //2 teclado lateral
            case 99: //3 teclado lateral
            case 100: //4 teclado lateral
            case 101: //5 teclado lateral
            case 102: //6 teclado lateral
            case 103: //7 teclado lateral
            case 104: //8 teclado lateral         
			case 105: //9 teclado lateral		
			
			
                  return true;
            default:
                  return false;
      }
}


function NumeroDecimal(e) {
      var val;
      if(typeof e.which != 'undefined') {
            val = e.which;
      }
      else {
            val = e.keyCode;
      }
      //alert(e.which);
      switch (val) {
            case 0:  //navigation keys in Mozilla
            case 8:  //backspace
            case 13: //enter
            case 44: //, (period)
            case 48: //0
            case 49: //1
            case 50: //2
            case 51: //3
            case 52: //4
            case 53: //5
            case 54: //6
            case 55: //7
            case 56: //8
            case 57: //9
            case 96: //0 teclado lateral
            case 97: //1 teclado lateral
            case 98: //2 teclado lateral
            case 99: //3 teclado lateral
            case 100: //4 teclado lateral
            case 101: //5 teclado lateral
            case 102: //6 teclado lateral
            case 103: //7 teclado lateral
            case 104: //8 teclado lateral         
			case 105: //9 teclado lateral		
                  return true;
            default:
                  return false;
      }
}