// JavaScript Document

//*** Script para abrir popups centrados ***//
function abrirVentana(pagina, nombre, w, h, barra, redimension){
	var margl = (screen.width - w) / 2;
	var margt = (screen.height - h) / 2;
	propiedades = 'height='+h+',width='+w+',top='+margt+',left='+margl+',scrollbars='+barra+',resizable=no';
	win = window.open(pagina, nombre, propiedades)
}
//-->

//*** Script para hacer Switch ***//
if (document.getElementById){ 
	document.write('<style type="text/css">\n')
	document.write('.submen{display: none;}\n')
	document.write('</style>\n')
}

function SwitchMenu(obj){
	if(document.getElementById){
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("span"); 
		if(el.style.display != "block"){ 
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="submen") 
					ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}

//*** Script para mostrar campos ocultos en un formulario ***
function desplegarCampos(obj){
	if(document.getElementById){
		var el = document.getElementById(obj);
		if(el.style.display = "none"){ 
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}

//*** Script para ocultar campos en un formulario ***
function ocultarCampos(obj){
	if(document.getElementById){
		var el = document.getElementById(obj);
		if(el.style.display = "block"){ 
			el.style.display = "none";
		}else{
			el.style.display = "block";
		}
	}
}

//*** Validaciones ***
var mPrefix = "Usted no introdujo un valor correcto en el campo ";
var mSuffix = ".\nEste es un dato necesario. Por favor introdúzcalo correctamente ahora.";
var defaultEmptyOK = false;
var whitespace = " \t\n\r";
var iEmail = "Este campo debe contener una dirección e-mail valida (como info@tangocaracas.com). Por favor introdúzcalo ahora."
var iYear = "El Año debe ser un número de 4 dígitos. Por favor introdúzcalo ahora."

function isEmpty(s) {
	return ((s == null) || (s.length == 0))
}

function isWhitespace(s) {
	var i;
    if (isEmpty(s)) return true;
    for (i = 0; i < s.length; i++) {   
        var c = s.charAt(i);
        if (whitespace.indexOf(c) == -1) return false;
    }
    return true;
}

function warnInvalid(theField, s) {
	theField.focus()
    theField.select()
    alert(s)
    return false
}

function warnEmpty(theField, s) {
	theField.focus()
    alert(mPrefix + s + mSuffix)
    return false
}

function isDigit(c) {
	return ((c >= "0") && (c <= "9"))
}

function isInteger(s){
	var i;
    if (isEmpty(s)) 
       if (isInteger.arguments.length == 1) return defaultEmptyOK;
       else return (isInteger.arguments[1] == true);
    for (i = 0; i < s.length; i++) {   
        var c = s.charAt(i);
        if (!isDigit(c)) return false;
    }
    return true;
}

function isSignedInteger(s) {
	if (isEmpty(s)) 
       if (isSignedInteger.arguments.length == 1) return defaultEmptyOK;
       else return (isSignedInteger.arguments[1] == true);
	else {
        var startPos = 0;
        var secondArg = defaultEmptyOK;

        if (isSignedInteger.arguments.length > 1)
            secondArg = isSignedInteger.arguments[1];

        if ( (s.charAt(0) == "-") || (s.charAt(0) == "+") )
           startPos = 1;    
        return (isInteger(s.substring(startPos, s.length), secondArg))
    }
}

function isNonnegativeInteger(s) {
	var secondArg = defaultEmptyOK;

    if (isNonnegativeInteger.arguments.length > 1)
        secondArg = isNonnegativeInteger.arguments[1];
    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) >= 0) ) );
}

function isEmail(s) {
	if (isEmpty(s)) 
       if (isEmail.arguments.length == 1) return defaultEmptyOK;
       else return (isEmail.arguments[1] == true);
   
    if (isWhitespace(s)) return false;
    
    var i = 1;
    var sLength = s.length;

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

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

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

    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}


function isYear(s) {
	if (isEmpty(s)) 
       if (isYear.arguments.length == 1) return defaultEmptyOK;
       else return (isYear.arguments[1] == true);
    if (!isNonnegativeInteger(s)) return false;
    return ((s.length == 4));
}

function checkYear (theField, emptyOK) {
	if (checkYear.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (!isYear(theField.value, false)) 
       return warnInvalid (theField, iYear);
    else return true;
}


function checkRadioButton (theField,s) {   
	for (var i = 0; i < theField.length; i++) {   
		if (theField[i].checked)
			return true;
    }
    return warnEmpty(theField[0], s);
}

function checkString (theField, s, emptyOK) {
    if (checkString.arguments.length == 2) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (isWhitespace(theField.value)) 
       return warnEmpty (theField, s);
    else return true;
}

function checkEmail (theField, emptyOK) {
	if (checkEmail.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else if (!isEmail(theField.value, false)) 
       return warnInvalid (theField, iEmail);
    else return true;
}

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 tmt_compareField(f1,f2,rule,errorMsg){
	var myErr = "";
	if(eval("MM_findObj('"+f1+"').value"+rule+"MM_findObj('"+f2+"').value")){
		alert(unescape(errorMsg));myErr += 'errorMsg';}
	document.MM_returnValue = (myErr == "");
}

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- Debe escribir una dirección de correo en el campo '+nm+'.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- Debe llenar el campo '+nm+'.\n'; }
  } if (errors) alert('Han ocurrido los siguientes errores:\n'+errors);
  document.MM_returnValue = (errors == '');
}

//-->