var reFloat = /^((\d+(\,\d*)?)|((\d*\,)?\d+))|((\d-(\,\d*)?)|((\d*\,)?\d+))$/
var daysInMonth = makeArray(12);
daysInMonth[1] = 31;
daysInMonth[2] = 28;
daysInMonth[3] = 31;
daysInMonth[4] = 30;
daysInMonth[5] = 31;
daysInMonth[6] = 30;
daysInMonth[7] = 31;
daysInMonth[8] = 31;
daysInMonth[9] = 30;
daysInMonth[10] = 31;
daysInMonth[11] = 30;
daysInMonth[12] = 31;

function ValidatorDate(DateToValidate)
	{  
	var inDate = DateToValidate;
	var inDay   = inDate.substring(0,inDate.indexOf("/"));
	if (inDay.substring(0,1) == "0" && inDay.length > 1) inDay = inDay.substring(1,inDay.length);

	var inMonth = inDate.substring(inDate.indexOf("/") + 1, inDate.lastIndexOf("/"));
	if (inMonth.substring(0,1) == "0" && inMonth.length > 1) inMonth = inMonth.substring(1,inMonth.length);
		
	var inYear  = inDate.substring(inDate.lastIndexOf("/") + 1, inDate.length);

  	if (!isDate(inYear,inMonth,inDay))
  		{ 		
		// alert("La date n'est pas une date correcte correcte !");
		return (false);
	  	}
	return true; 	
	}


function isDate (year, month, day)
	{   
    if (! (isYear(year, false) && isMonth(month, false) && isDay(day, false))) return false;

    var intYear = parseInt(year);
    var intMonth = parseInt(month);
    var intDay = parseInt(day);

    if (intDay > daysInMonth[intMonth]) return false; 

    if ((intMonth == 2) && (intDay > daysInFebruary(intYear))) return false;

    return true;
	}

function isYear (s)
	{   
	if (isEmpty(s)) 
       if (isYear.arguments.length == 1) return false;
       else return (isYear.arguments[1] == true);
    if (!isNonnegativeInteger(s)) return false;
    return ((s.length == 2) || (s.length == 4));
	}

function isMonth (s)
	{   
	if (isEmpty(s)) 
       if (isMonth.arguments.length == 1) return false;
       else return (isMonth.arguments[1] == true);
    return isIntegerInRange (s, 1, 12);
	}

function isDay (s)
	{   
	if (isEmpty(s)) 
       if (isDay.arguments.length == 1) return false;
       else return (isDay.arguments[1] == true);   
    return isIntegerInRange (s, 1, 31);
	}

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

function daysInFebruary (year)
{  
    return (  ((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0) ) ) ? 29 : 28 );
}

function makeArray(n) {
   for (var i = 1; i <= n; i++) {
      this[i] = 0
   	} 
   return this
}

function isIntegerInRange (s, a, b)
{   if (isEmpty(s)) 
       if (isIntegerInRange.arguments.length == 1) return false;
       else return (isIntegerInRange.arguments[1] == true);

    if (!isInteger(s, false)) return false;

    var num = parseInt (s);
    return ((num >= a) && (num <= b));
}

function isNonnegativeInteger (s)
{   var secondArg = false;

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

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) >= 0) ) );
}

function isInteger (s)

{   var i;

    if (isEmpty(s)) 
       if (isInteger.arguments.length == 1) return false;
       else return (isInteger.arguments[1] == true);

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);

        if (!isDigit(c)) return false;
    }

    return true;
}

function isSignedInteger (s)

{   if (isEmpty(s)) 
       if (isSignedInteger.arguments.length == 1) return false;
       else return (isSignedInteger.arguments[1] == true);

    else {
        var startPos = 0;
        var secondArg = false;

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

function isFloat (s)

{   if (isEmpty(s)) 
       if (isFloat.arguments.length == 1) return defaultEmptyOK;
       else return (isFloat.arguments[1] == true);
       
      // alert("coucou");

	  return reFloat.test(s)
}