/**
 *NOTA: A todas las funciones se le pasa como argumento directamente los valores. 
 * No debe hacerse .value sobre los argumentos ya que el argumento ya es el xxx.value 
 */

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}

function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr,mindate,maxdate,descStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	var argday = parseInt(strDay, 10)
	var argmonth = parseInt(strMonth, 10)
	var argyear = parseInt(strYear, 10)
    var argdate = new Date(argyear,argmonth,argday)
	
	//Fecha minima
	var poss1=mindate.indexOf(dtCh)
	var poss2=mindate.indexOf(dtCh,poss1+1)
	var strDaym=mindate.substring(0,poss1)
	var strMonthm=mindate.substring(poss1+1,poss2)
	var strYearm=mindate.substring(poss2+1)
	var minday = parseInt(strDaym, 10)
	var minmonth = parseInt(strMonthm, 10)
	var minyear = parseInt(strYearm, 10)
	var mindates = new Date(minyear,minmonth,minday)
	
	//Fecha máxima
	var posss1=maxdate.indexOf(dtCh)
	var posss2=maxdate.indexOf(dtCh,posss1+1)
	var strDaymm=maxdate.substring(0,posss1)
	var strMonthmm=maxdate.substring(posss1+1,posss2)
	var strYearmm=maxdate.substring(posss2+1)
	var maxday = parseInt(strDaymm, 10)
	var maxmonth = parseInt(strMonthmm, 10)
	var maxyear = parseInt(strYearmm, 10)
	var maxdates = new Date(maxyear,maxmonth,maxday)
	
	
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth, 10)
	day=parseInt(strDay, 10)
	year=parseInt(strYr, 10)
	if (pos1==-1 || pos2==-1){
		alert('El formato del campo "'+descStr+'" debe ser de la forma: dd/mm/aaaa')
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert('Por favor ingrese un mes valido en el campo "'+descStr+'"')
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert('Por favor ingrese un día valido en el campo "'+descStr+'"')
		return false
	}
	if(argdate < mindates || argdate > maxdates){
		alert('Por favor ingrese una fecha entre '+mindate+' y '+maxdate+' en el campo "'+descStr+'"')
	return false
	}
	if (strYear.length != 4 || year==0 || year<minyear || year>maxyear){
		alert('Por favor ingrese un año valido entre '+minyear+' y '+maxyear+' en el campo "'+descStr+'"')
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert('Por favor ingrese una fecha correcta en el campo "'+descStr+'"')
		return false
	}
	return true
}

//Valida una fecha
function validateDate(formField,mindate,maxdate,fieldLabel){
	var result = true;	
	
	if(formField == '00/00/0000')
		return true;
	
	return isDate(formField,mindate,maxdate,fieldLabel);
 }


function validateRequired(formField,fieldLabel)
{		
	if (formField == "")
	{
		alert('El campo "' + fieldLabel +'" es obligatorio.');		
		return false;
	}
//	if((formField.indexOf(">") > 0) || (formField.indexOf("<") > 0)){
//		alert("El campo '" + fieldLabel + "' no puede tener caracteres inválidos ('<' ni '>') ");
//		return false;
//	}
	return true;
}

function isEmailAddr(email)
{ var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function validateEmail(formField,fieldLabel)
{
	if(formField == ''){
  		return true;
  	}
	if(formField.indexOf(' ')>0){
		alert("El contenido del campo '"+fieldLabel +"' no debe contener espacios");
		return false;	
	}
	if ((formField.length < 3) || !isEmailAddr(formField)) 
	{	alert('El contenido del campo "'+fieldLabel+'" debe ser de la forma sunombre@sudominio.com');
		return false;
	}   
  return true;
}


function validateNumber(formField,min,max,fieldLabel)
{
	if(formField == null || formField == "") return true;
	// var num = parseInt(formField,10);
	if (!isInteger(formField) || formField<min ||formField>max )
 	{
 		alert('Por favor ingrese un valor numérico en el campo "' + fieldLabel +'" entre '+min+' y '+ max);
		return false;
	}
	return true;
}

function validateLength(formField,n,fieldLabel)
{
	if(formField == ''){
  		return true;
  	}
 		if (formField.length > n)
 		{
			alert('Por favor ingrese un texto con menos de ' + n +' caracteres, en el campo "' + fieldLabel +'". Por el momento tiene '+formField.length+' caracteres.');
			return false;
		}
	
	return true;
}
function validateWordsNumber(formField,n,fieldLabel){
	var r = 0;
	formField = formField.replace('\n',' ');
	formField = formField.split(' ');
	for (z=0; z<formField.length; z++) {
		if (formField[z].length > 0) 
			r++;
		}
		if(r > n){
			alert('Por favor ingrese un texto con menos de ' + n +' palabras, en el campo "' + fieldLabel +'". Por el momento tiene '+r+' palabras.');
			return false;
		}
		return true;
}

function Left(str, n){
	if (n <= 0){
	    return "";
	}
	else if (n > String(str).length){
	    return str;
	}	
	else{
	    return String(str).substring(0,n);
	}
}
function Right(str, n){
	var iLen = String(str).length;
    if (n <= 0){
       return "";
    }
	else if (n > String(str).length){
       return str;
	}
    else {   
       return String(str).substring(iLen, iLen - n);
    }
}

function getDigito(valor, largo)
{	var cPonderador = '';
	var cAuxi = '';
	var nDigito = 0;
	var nDigPond = 0;
	var nTotal = 0;
	var i;
	
	if (!isInteger(valor)) {
			return 'z';
	}	
	cAuxi = Left(valor, largo);
	cPonderador = '97139713971397139713971397139713';

	for (i = 0;i < largo ; i++) {
		nDigito = parseInt(cAuxi.substr(i, 1));
		nDigPond = parseInt(cPonderador.substr(i, 1));
		nTotal += nDigPond * nDigito - (parseInt(nDigPond * nDigito / 10) * 10);
	}

	for (i = 0; (parseInt((nTotal + i) / 10) * 10) != (nTotal + i) ; i++) {
		
	}
	return i.toString();
}

function validateCbu(formField,fieldLabel)
{
	if(formField == ''){
  		return true;
  	}
	if(formField.indexOf(' ')>0){
		alert("El contenido del campo '"+fieldLabel +"' no debe contener espacios");
		return false;	
	}
	if (formField.length != 22 )
	{	alert('El contenido del campo "'+fieldLabel+'" debe tener 22 caracteres');
		return false;
	}    
	if (formField.substr(7, 1) != getDigito(('0' + formField.substr(0,7)), 8) || Right(formField,1) != getDigito(('000' + formField.substr(8, 13)),16))
	{	alert('El contenido del campo "'+fieldLabel+'" es invalido');
		return false;
	} 
  return true;
}

function envio(d) {
g = document.forms[0];
if (g.MIBUSY.value == 'S') {return false;} else {g.MIBUSY.value = 'S'; }
g.action = d;
g.target = "results";
g.submit();
window.self.location.reload();
return true;
}