/*****************************************************************/
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(dtStr){    
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strDay = dtStr.substring(0,pos1)
	var strYear=dtStr.substring(pos2+1)
	    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("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		//alert("Please enter a valid date")
		return false
	}
return true
}


function fechaMenorActual(Fecha, old) {
    var currDate = new Date();
    if(old)
        currDate.setFullYear((currDate.getFullYear() - 18), currDate.getMonth(), currDate.getDay());
        
    var fechaComparar = StringToDate(Fecha);
    
    return (fechaComparar < currDate) ? true : false;        
    
}
function StringToDate(Fecha) {

    var f_Date = new Date()
    var vFecha = Fecha.split("/") 
    var ano = vFecha[2]
    var mes = vFecha[1] - 1
    var dia = vFecha[0]        
        f_Date.setFullYear(ano, mes, dia)
    
    return f_Date
}

function armarFechaDDMMYY(sFecha) {
    return sFecha.substring(3,4) + '/' + sFecha.substring(0,1) + '/' + sFecha.substring(6,9)
}

function armarFechaDDMMYYYY(sFecha) {
	
    var nFecha = sFecha.split('/');    
    //return nFecha[1]+ '/' + nFecha[0] + '/' + nFecha[2];
    return rellenar(nFecha[1],'0','2') + '/' + rellenar(nFecha[0],'0','2') + '/' + nFecha[2];
}

function armarFechaStr(sFecha) {
    return sFecha.substring(6,8) + '/' + sFecha.substring(4,6) + '/' + sFecha.substring(0,4)
}