var vbCr = "\r";
var vbLf = "\n";
var vbCrLf = vbCr+vbLf;
var vbTab = "\t";



// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

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(control){
	var dtStr = control.value;
	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)
	if (dtStr == '')
		return false
	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)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("La fecha debe tener el siguiente formato: dd/mm/yyyy")
		control.value = '';
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Ingrese un mes Valido.")
		control.value = '';
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Ingrese un dia Valido.")
		control.value = '';
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Ingrese 4 numeros entre "+minYear+" and "+maxYear)
		control.value = '';
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Ingrese una fecha Valida.")
		control.value = '';
		return false
	}
return true
}



function mask(str,textbox,loc,delim){
		var locs = loc.split(',');
		for (var i = 0; i <= locs.length; i++){
			for (var k = 0; k <= str.length; k++){
			if (k == locs[i]){
			if (str.substring(k, k+1) != delim){
				str = str.substring(0,k) + delim + str.substring(k,str.length)
			}
			}
			}
		}
		textbox.value = str
		}
function maskMiles(texto)
	{
	var a;
	var deci = 0;
	var puntos = 0;
	var menor = false;
	if (parseFloat(texto) < 0)
		{
		texto = parseFloat(texto) + ((parseFloat(texto)*-1) * 2);
		menor = true;
		}
	if (InStr(0, texto, ",") > 0 )
		deci = Len(texto) - InStr(0, texto, ",") + 1;	
	if ((Len(texto)-deci)/3 > 1)
		{
		puntos = parseInt((Len(texto)-deci)/3);
		var temp = StrReverse(texto);
		var i = 0;
		for (a=1;a<=puntos;a++)
			{
			var parte1 = temp.substring(0, deci + (a * 3) + i);
			var parte2 = temp.substring(deci + (a * 3) + i, Len(temp));
			temp = parte1 + "." + parte2;
			i = i + 1;
			}	
		texto = StrReverse(temp);
		}
	if (Left(texto,1) == ".")
		texto = Right(texto, Len(texto) - 1);
	if (menor == true)
		texto = "-" & texto;
	return texto;
	}
function dComisionPub(dPubT, dPub)
	{
	if (dPubT > dPub)
		{
		if (dPubT > (dPub + 0.02))
			return -0.03;
		else
			return -0.02;
		}
	else
		{
		if (dPubT > (dPub - 0.01))
			return 0.02;
		else
			return 0.03;
		}
	}
function pressDouble(e)
	{
	var keynum;
	var flag = false;		
	var a;
	if(window.event)
		{
		keynum = e.keyCode;
		for (a=48;a<=57;a++)
			{
			if ((String(keynum) == String(a)) || (String(keynum) == String(46)))
				{
				flag = true;
				e.returnValue = true;
				}
			}
		if (flag == false)
			{
			e.returnValue = false;
			e.cancel = true;
			}
		}
	}
function pressDoubleMenos(e)
	{
	var keynum;
	var flag = false;		
	var a;
	if(window.event)
		{
		keynum = e.keyCode;
		for (a=48;a<=57;a++)
			{
			if ((String(keynum) == String(a)) || (String(keynum) == String(46)) || (String(keynum) == String(45)))
				{
				flag = true;
				e.returnValue = true;
				}
			}
		if (flag == false)
			{
			e.returnValue = false;
			e.cancel = true;
			}
		}
	}
function pressInteger(e)
	{
	var keynum;
	var flag = false;		
	var a;
	if(window.event)
		{
		keynum = e.keyCode;
		for (a=48;a<=57;a++)
			{
			if (String(keynum) == String(a))
				flag = true;
			}
		if (flag == false)
			{
			e.returnValue = false;
			e.cancel = true;
			}
		}
	}
function formatCurrency(num) 
	{
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num))
		num = "0";
	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);
	}
function sacarSigno(texto)
	{
	return Right(texto, texto.length -2).replace(",", "");
	}
function esPar(num)
	{
	return !(num%2);
	}
function Left(s, n)
	{
	if(n>s.length)
		n=s.length;
	return s.substring(0, n);
	}
function Right(s, n)
	{
	var t=s.length;
	if(n>t)
		n=t;
	return s.substring(t-n, t);
	}
function Mid(s, n, c)// Devuelve una cadena desde la posición n, con c caracteres. Si c = 0 devolver toda la cadena desde la posición n
	{
	var numargs=Mid.arguments.length;
	// Si sólo se pasan los dos primeros argumentos
	if(numargs<3)
		c=s.length-n+1;
	if(c<1)
		c=s.length-n+1;
	if(n+c >s.length)
		c=s.length-n+1;
	if(n>s.length)
		return "";
	return s.substring(n-1,n+c-1);
	}
function LTrim(s)
	{
	var i=0;
	var j=0;
	for(i=0; i<=s.length-1; i++)
		if(s.substring(i,i+1) != ' ')
			{
			j=i;
			break;
			}
	return s.substring(j, s.length);
	}
function RTrim(s)
	{
	var j=0;
	for(var i=s.length-1; i>-1; i--)
		if(s.substring(i,i+1) != ' ')
			{
			j=i;
			break;
			}
	return s.substring(0, j+1);
	}
function Trim(s)
	{
	return LTrim(RTrim(s));
	}
function InStr(n, s1, s2)// Devuelve la posición de la primera ocurrencia de s2 en s1. Si se especifica n, se empezará a comprobar desde esa posición. Sino se especifica, los dos parámetros serán las cadenas
	{
	var numargs=InStr.arguments.length;
	if(numargs<3)
		return n.indexOf(s1)+1;
	else
		return s1.indexOf(s2, n)+1;
	}
function RInStr(n, s1, s2)// Devuelve la posición de la última ocurrencia de s2 en s1. Si se especifica n, se empezará a comprobar desde esa posición. Sino se especifica, los dos parámetros serán las cadenas
	{
	var numargs=RInStr.arguments.length;
	if(numargs<3)
		return n.lastIndexOf(s1)+1;
	else
		return s1.lastIndexOf(s2, n)+1;
	}
function Space(n)
	{
	var t="";
	for(var i=1; i<=n; i++)
		t=t+" ";
	return t;
	}
function jString(n, c)// Devuelve n veces el caracter c
	{
	var t="";
	for(var i=1; i<=n; i++)
		t=t+c;
	return t;
	}
function UCase(s)// Devuelve la cadena convertida a mayúsculas
	{
	return s.toUpperCase();
	}
function LCase(s)// Devuelve la cadena convertida en minúsculas
	{
	return s.toLowerCase();
	}
function Len(s)// Devuelve la longitud de la cadena s
	{
	return s.length;
	}
function StrReverse(s)// Invierte la cadena
	{
	var i=s.length;
	var t="";
	while(i>-1)
		{
		t=t+ s.substring(i,i+1);
		i--;
		}
	return t;
	}
	function roundNumber(numero, decimales) {
	    var rnum = numero;
	    var rlength = decimales; // The number of decimal places to round to
	    if (rnum > 8191 && rnum < 10485) {
	        rnum = rnum - 5000;
	        var newnumber = Math.round(rnum * Math.pow(10, rlength)) / Math.pow(10, rlength);
	        newnumber = newnumber + 5000;
	    } else {
	        var newnumber = Math.round(rnum * Math.pow(10, rlength)) / Math.pow(10, rlength);
	    }
	    return newnumber;
	}