function ignoreSpaces(string) {
var temp = "";
string = '' + string;
splitstring = string.split(" ");
for(i = 0; i < splitstring.length; i++)
temp += splitstring[i];
return temp;
}

function trimval(str)
{
  var ini=0;
  var fin=str.length-1;
  while(ini<=fin && str.charAt(ini)==" ") 
    ini++;
    if (ini<=fin)
    {
        while(str.charAt(fin)==" ") 
            fin--;
        if (fin<str.length-1) 
        {
            fin++;
            return str.substring(ini,fin);
        } 
        else 
            return str.substr(ini);
    } 
    else
        return '';
}

function isNumero(str)
{
  var flag=true;
  var i=0;
  while (i<str.length && flag)
  {
    flag = (str.charAt(i)>=0 && str.charAt(i)<=9)
    i++;    
  }
  return flag;
}

function trimobj(obj)
{
  obj.value=trimval(obj.value);
  return obj.value;
}

function DateFormat(vDateName, vDateValue, e, dateCheck, dateType) {
vDateType = dateType;

//------------------------------------------------------
var isNav4 = false, isNav5 = false, isIE4 = false
var strSeperator = "/"; 
// If you are using any Java validation on the back side you will want to use the / because 
// Java date validations do not recognize the dash as a valid date separator.
//var vDateType = 3; // Global value for type of date format
//                1 = mm/dd/yyyy
//                2 = yyyy/dd/mm  (Unable to do date check at this time)
//                3 = dd/mm/yyyy
var vYearType = 4; //Set to 2 or 4 for number of digits in the year for Netscape
var vYearLength = 2; // Set to 4 if you want to force the user to enter 4 digits for the year before validating.
var err = 0; // Set the error code to a default of zero
//-----------------------------------------------------

// vDateName = object name
// vDateValue = value in the field being checked
// e = event
// dateCheck 
// True  = Verify that the vDateValue is a valid date
// False = Format values being entered into vDateValue only
// vDateType
// 1 = mm/dd/yyyy
// 2 = yyyy/mm/dd
// 3 = dd/mm/yyyy
//Enter a tilde sign for the first number and you can check the variable information.
if (vDateValue == "~") {
alert("AppVersion = "+navigator.appVersion+" \nNav. 4 Version = "+isNav4+" \nNav. 5 Version = "+isNav5+" \nIE Version = "+isIE4+" \nYear Type = "+vYearType+" \nDate Type = "+vDateType+" \nSeparator = "+strSeperator);
vDateName.value = "";
vDateName.focus();
return true;
}
var whichCode = (window.Event) ? e.which : e.keyCode;
// Check to see if a seperator is already present.
// bypass the date if a seperator is present and the length greater than 8
if (vDateValue.length > 8 && isNav4) {
if ((vDateValue.indexOf("-") >= 1) || (vDateValue.indexOf("/") >= 1))
return true;
}
//Eliminate all the ASCII codes that are not valid
var alphaCheck = " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/-";
if (alphaCheck.indexOf(vDateValue) >= 1) {
if (isNav4) {
vDateName.value = "";
vDateName.focus();
vDateName.select();
return false;
}
else {
vDateName.value = vDateName.value.substr(0, (vDateValue.length-1));
return false;
   }
}
var strCheck1 = '47,48,49,50,51,52,53,54,55,56,57,58,59,95,96,97,98,99,100,101,102,103,104,105';
if (strCheck1.indexOf(whichCode) == -1) {
	return false;
}
if ((whichCode == 8) || (whichCode == 13)) //Ignore the Netscape value for backspace. IE has no value
return false;
else {
//Create numeric string values for 0123456789/
//The codes provided include both keyboard and keypad values
var strCheck = '47,48,49,50,51,52,53,54,55,56,57,58,59,95,96,97,98,99,100,101,102,103,104,105';
if (strCheck.indexOf(whichCode) != -1) {
if (isNav4) {
if (((vDateValue.length < 6 && dateCheck) || (vDateValue.length == 6 && dateCheck)) && (vDateValue.length >=1)) {
alert("Fecha Invalida");
vDateName.value = "";
vDateName.focus();
vDateName.select();
return false;
}
if (vDateValue.length == 6 && dateCheck) {
var mDay = vDateName.value.substr(2,2);
var mMonth = vDateName.value.substr(0,2);
var mYear = vDateName.value.substr(4,4)
//Turn a two digit year into a 4 digit year
if (mYear.length == 2 && vYearType == 4) {
var mToday = new Date();
//If the year is greater than 30 years from now use 19, otherwise use 20
var checkYear = mToday.getFullYear() + 30; 
var mCheckYear = '20' + mYear;
if (mCheckYear >= checkYear)
mYear = '19' + mYear;
else
mYear = '20' + mYear;
}
var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
if (!dateValid(vDateValueCheck)) {
alert("Fecha Invalida");
vDateName.value = "";
vDateName.focus();
vDateName.select();
return false;
}
return true;
}
else {
// Reformat the date for validation and set date type to a 1
if (vDateValue.length >= 8  && dateCheck) {
if (vDateType == 1) // mmddyyyy
{
var mDay = vDateName.value.substr(2,2);
var mMonth = vDateName.value.substr(0,2);
var mYear = vDateName.value.substr(4,4)
vDateName.value = mMonth+strSeperator+mDay+strSeperator+mYear;
}
if (vDateType == 2) // yyyymmdd
{
var mYear = vDateName.value.substr(0,4)
var mMonth = vDateName.value.substr(4,2);
var mDay = vDateName.value.substr(6,2);
vDateName.value = mYear+strSeperator+mMonth+strSeperator+mDay;
}
if (vDateType == 3) // ddmmyyyy
{
var mMonth = vDateName.value.substr(2,2);
var mDay = vDateName.value.substr(0,2);
var mYear = vDateName.value.substr(4,4)
vDateName.value = mDay+strSeperator+mMonth+strSeperator+mYear;
}
if (vDateType == 4) // mmyyyy
{
var mMonth = vDateName.value.substr(2,2);
var mDay = 01
var mYear = vDateName.value.substr(4,4)
vDateName.value = mMonth+strSeperator+mYear;
}
//Create a temporary variable for storing the DateType and change
//the DateType to a 1 for validation.
var vDateTypeTemp = vDateType;
vDateType = 1;
var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
if (!dateValid(vDateValueCheck)) {
alert("Fecha Invalida");
vDateType = vDateTypeTemp;
vDateName.value = "";
vDateName.focus();
vDateName.select();
return false;
}
vDateType = vDateTypeTemp;
return true;
}
else {
if (((vDateValue.length < 8 && dateCheck) || (vDateValue.length == 9 && dateCheck)) && (vDateValue.length >=1)) {
alert("Fecha Invalida");
vDateName.value = "";
vDateName.focus();
vDateName.select();
return false;
         }
      }
   }
}
else {
// Non isNav Check
if ((vDateType == 4 ) && (vDateValue.length < 7 && dateCheck) &&  (vDateValue.length >=1)){
   alert("Fecha Invalida");
   vDateName.value = "";
   vDateName.focus();
   return true;
   }
else{
if ((vDateType != 4 ) && ((vDateValue.length < 8 && dateCheck) || (vDateValue.length == 9 && dateCheck)) && (vDateValue.length >=1)) {
alert("Fecha Invalida");
vDateName.value = "";
vDateName.focus();
return true;
}
}
// Reformat date to format that can be validated. mm/dd/yyyy
if (vDateValue.length >= 6 && dateCheck) {
// Additional date formats can be entered here and parsed out to
// a valid date format that the validation routine will recognize.
if (vDateType == 1) // mm/dd/yyyy
{
var mMonth = vDateName.value.substr(0,2);
var mDay = vDateName.value.substr(3,2);
var mYear = vDateName.value.substr(6,4)
}
if (vDateType == 2) // yyyy/mm/dd
{
var mYear = vDateName.value.substr(0,4)
var mMonth = vDateName.value.substr(5,2);
var mDay = vDateName.value.substr(8,2);
}
if (vDateType == 3) // dd/mm/yyyy
{
var mDay = vDateName.value.substr(0,2);
var mMonth = vDateName.value.substr(3,2);
var mYear = vDateName.value.substr(6,4)
}
if (vDateType == 4) // mmyyyy
{
var mMonth = vDateName.value.substr(0,2);
var mDay   = '01'
var mYear  = vDateName.value.substr(3,4)
}

if (vYearLength == 4) {
if (mYear.length < 4) {
alert("Fecha Invalida");
vDateName.value = "";
vDateName.focus();
return true;
   }
}
// Create temp. variable for storing the current vDateType
var vDateTypeTemp = vDateType;
// Change vDateType to a 1 for standard date format for validation
// Type will be changed back when validation is completed.
vDateType = 1;
// Store reformatted date to new variable for validation.
var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
if (mYear.length == 2 && vYearType == 4 && dateCheck) {
//Turn a two digit year into a 4 digit year
var mToday = new Date();
//If the year is greater than 30 years from now use 19, otherwise use 20
var checkYear = mToday.getFullYear() + 30; 
var mCheckYear = '20' + mYear;
if (mCheckYear >= checkYear)
mYear = '19' + mYear;
else
mYear = '20' + mYear;
vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
// Store the new value back to the field.  This function will
// not work with date type of 2 since the year is entered first.
if (vDateTypeTemp == 1) // mm/dd/yyyy
vDateName.value = mMonth+strSeperator+mDay+strSeperator+mYear;
if (vDateTypeTemp == 3) // dd/mm/yyyy
vDateName.value = mDay+strSeperator+mMonth+strSeperator+mYear;
if (vDateTypeTemp == 4) // mm/yyyy
vDateName.value = mMonth+strSeperator+mYear;
} 
if (!dateValid(vDateValueCheck)) {
alert("Fecha Invalida");
vDateType = vDateTypeTemp;
vDateName.value = "";
vDateName.focus();
return true;
}
vDateType = vDateTypeTemp;
return true;
}
else {
if (vDateType == 1) {
if (vDateValue.length == 2) {
vDateName.value = vDateValue+strSeperator;
}
if (vDateValue.length == 5) {
vDateName.value = vDateValue+strSeperator;
   }
}
if (vDateType == 2) {
if (vDateValue.length == 4) {
vDateName.value = vDateValue+strSeperator;
}
if (vDateValue.length == 7) {
vDateName.value = vDateValue+strSeperator;
   }
} 
if (vDateType == 3) {
if (vDateValue.length == 2) {
vDateName.value = vDateValue+strSeperator;
}
if (vDateValue.length == 5) {
vDateName.value = vDateValue+strSeperator;
   }
}
if (vDateType == 4) {
if (vDateValue.length == 2) {
vDateName.value = vDateValue+strSeperator;
}
}

return true;
   }
}
if (vDateValue.length == 10&& dateCheck) {
if (!dateValid(vDateName)) {
// Un-comment the next line of code for debugging the dateValid() function error messages
//alert(err);  
alert("Fecha Invalida");
vDateName.focus();
vDateName.select();
   }
}
return false;
}
else {
// If the value is not in the string return the string minus the last
// key entered.
if (isNav4) {
vDateName.value = "";
vDateName.focus();
vDateName.select();
return false;
}
else
{
vDateName.value = vDateName.value.substr(0, (vDateValue.length-1));
return false;
         }
      }
   }
}
function dateValid(objName) {
var strDate;
var strDateArray;
var strDay;
var strMonth;
var strYear;
var intday;
var intMonth;
var intYear;
var booFound = false;
var datefield = objName;
var strSeparatorArray = new Array("-"," ","/",".");
var intElementNr;
// var err = 0;
var strMonthArray = new Array(12);
strMonthArray[0] = "Jan";
strMonthArray[1] = "Feb";
strMonthArray[2] = "Mar";
strMonthArray[3] = "Apr";
strMonthArray[4] = "May";
strMonthArray[5] = "Jun";
strMonthArray[6] = "Jul";
strMonthArray[7] = "Aug";
strMonthArray[8] = "Sep";
strMonthArray[9] = "Oct";
strMonthArray[10] = "Nov";
strMonthArray[11] = "Dec";
//strDate = datefield.value;
strDate = objName;
if (strDate.length < 1) {
return true;
}
for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) {
if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
strDateArray = strDate.split(strSeparatorArray[intElementNr]);
if (strDateArray.length != 3) {
err = 1;
return false;
}
else {
strDay = strDateArray[0];
strMonth = strDateArray[1];
strYear = strDateArray[2];
}
booFound = true;
   }
}
if (booFound == false) {
if (strDate.length>5) {
strDay = strDate.substr(0, 2);
strMonth = strDate.substr(2, 2);
strYear = strDate.substr(4);
   }
}
//Adjustment for short years entered
if (strYear.length == 2) {
strYear = '20' + strYear;
}
strTemp = strDay;
strDay = strMonth;
strMonth = strTemp;
intday = parseInt(strDay, 10);
if (isNaN(intday)) {
err = 2;
return false;
}
intMonth = parseInt(strMonth, 10);
if (isNaN(intMonth)) {
for (i = 0;i<12;i++) {
if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) {
intMonth = i+1;
strMonth = strMonthArray[i];
i = 12;
   }
}
if (isNaN(intMonth)) {
err = 3;
return false;
   }
}
intYear = parseInt(strYear, 10);
if (isNaN(intYear)) {
err = 4;
return false;
}
if (intMonth>12 || intMonth<1) {
err = 5;
return false;
}
if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
err = 6;
return false;
}
if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
err = 7;
return false;
}
if (intMonth == 2) {
if (intday < 1) {
err = 8;
return false;
}
if (LeapYear(intYear) == true) {
if (intday > 29) {
err = 9;
return false;
   }
}
else {
if (intday > 28) {
err = 10;
return false;
      }
   }
}
return true;
}
function LeapYear(intYear) {
if (intYear % 100 == 0) {
if (intYear % 400 == 0) { return true; }
}
else {
if ((intYear % 4) == 0) { return true; }
}
return false;
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

function ocultar_layer(lay)
{
	if (ie4) {document.all[lay].style.display = "none";}
	if (ns4) {document.layers[lay].visibility = "hide";}
	if (ns6) {document.getElementById([lay]).style.display = "none";}
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

function mostrar_layer(lay, a_width, a_top, a_left )
{
	if (ie4) {document.all[lay].style.display = "block";}
	if (ns4) {document.layers[lay].visibility = "show";}
	if (ns6) {document.getElementById([lay]).style.display = "block";}
	
/*	if (a_width !=null)
	{
		document.all[lay].style.width = a_width;
		document.all[lay].style.top   = a_top;
		document.all[lay].style.left  = a_left;
	}*/
}

function Chequear_valor_numerico(a_obj)
{
	var lj_valor;
	
	lj_valor = a_obj.value;
	
	if ( lj_valor.length > 0 )
	{
		if ( !isNumero(lj_valor) )
		{
			alert('Error debe ingresar valor númerico');
			a_obj.value="";
			a_obj.focus();
			return false;
		}
	}
	return true;
}

function Valida_rango_valores(a_obj_des, a_obj_has)
{
	var lj_valor_des, lj_valor_has;
	
	lj_valor_des = a_obj_des.value;
	lj_valor_has = a_obj_has.value;
	
	if (lj_valor_des.length > 0 && lj_valor_has.length > 0)
	{
		if (parseInt(lj_valor_des,10) > parseInt(lj_valor_has,10))
		{
			alert('Valor final debe ser mayor o igual al valor inicial');
			a_obj_des.focus();
			return false;
		}
	}
	return true;
}

function popupcentrado(pagina,nombre,alto,ancho, scroll)
{
	var winl = (screen.width - ancho) / 2;
	var wint = (screen.height - alto) / 2 - 15;

	if(scroll == null) scroll = 'no';
	
	l_handle_window = window.open(pagina, nombre, "toolbar=no,location=no,status=no,scrollbars="+scroll+",menubar=no,resizable=no,width="+ancho+",height="+alto+",top="+wint+",left="+winl);
}

function f_validar_fecha(a_fecha_desde, a_fecha_hasta)
{
	var fecha_hasta, fecha_desde
	
	var arr_fecha_des = a_fecha_desde.split("/");
	//alert(arr_fecha_des[2]);
	var dt_fecha_des = (arr_fecha_des[2]+ "/" + arr_fecha_des[1] +  "/" + arr_fecha_des[0]);
	var arr_fecha_has = a_fecha_hasta.split("/");
	var dt_fecha_has = (arr_fecha_has[2]+ "/" + arr_fecha_has[1] +  "/" + arr_fecha_has[0]);
	
	fecha_desde = new Date(dt_fecha_des)
	fecha_hasta = new Date(dt_fecha_has)
	
	//alert("fecha_desde: " + fecha_desde)
	//alert("fecha_hasta: " + fecha_hasta)
	
	if (fecha_desde > fecha_hasta)
	{
		return false;
	}
	else
	{
		return true;
	}
}		

function val_mail(obj) {

  if (/^[a-zA-Z_0-9]+([\.-]?[a-zA-Z_0-9]+)*@\w+([\.-]?\w+)*(\.\w{2,5})+$/.test(obj.value)) {
     return (true);
  }

  obj.value = "";
  return (false);
}