// JScript File

//Checkt / vult waarde in dag-veld aan en tabt naar maand

var CRdate = "";

function SetCRDate(input){
    var baseid = input.id.slice(0, input.id.length-3)
    
    var d = baseid + "ddd"
    var m = baseid + "mmm"
    var y = baseid + "yyy"
    
    var testdate =  input.document.getElementById(d).value + "-" + 
            input.document.getElementById(m).value + "-" + input.document.getElementById(y).value
            
    if(isDate(testdate) == false) {CRDate=""} else 
    {
        CRdate = input.document.getElementById(y).value + "/" + 
            input.document.getElementById(m).value + "/" + 
            input.document.getElementById(d).value
    }              
}


function inputdd(input, backcolor)
{
    // besturingstoets ==> exit
    if(IgnoreKey(event.keyCode) == true) {return false};
    // niet-numerieke toets ==> exit
    //if(IsIntKey() == false) {return false}; 
    if(intKeyOnly == false) {return false};
   
    input.style.backgroundColor = backcolor
     
    var senderid = input.id
    var nextid = "" 

    if(senderid.indexOf("_ddd") > 0) { nextid = senderid.replace("_ddd", "_mmm") }
    
    if(input.value.length == 1 && input.value >= 4) {
        input.value = "0" + input.value;
        input.document.getElementById(nextid).focus();
        input.document.getElementById(nextid).select(); 
        return true;
        }
        
    if(input.value.length == 2 && input.value > 0 && input.value <= 31) {
        input.document.getElementById(nextid).focus();
        input.document.getElementById(nextid).select(); 
        return true;
        }
        
    if(input.value.length == 2 && input.value > 31) {
        input.style.backgroundColor = "red";
        return false;
        } 
   
    return true;
}


function FFinputdd(e, backcolor)
{
hkey = whichKey(e);

if (e.charCode == 0) {return true};
if (e.charCode < 48 || e.charCode > 57) { return false};

e.target.style.backgroundColor = backcolor;

var spos = e.target.selectionStart
var epos = e.target.selectionEnd

var dval = e.target.value.substr(0,spos) + String.fromCharCode(e.charCode) + e.target.value.substr(epos)
var senderid = e.target.id
var mmmid = ""
if(senderid.indexOf("_ddd") > 0) { mmmid = senderid.replace("_ddd", "_mmm") }
    if (e.charCode >= 52 && dval.length == 1) {   
        e.target.value="0"+dval;
        document.getElementById(mmmid).focus(); 
        document.getElementById(mmmid).select();
        return false} 

    if(dval > 9 && dval <= 31) {
        e.target.value = dval;
        document.getElementById(mmmid).focus();
        document.getElementById(mmmid).select(); 
        return false;
        }
        
     if(dval.length == 2 && dval > 0 && dval <= 31) {
        e.target.value = dval;
        document.getElementById(mmmid).focus();
        document.getElementById(mmmid).select(); 
        return false;
        }
        
    if(dval.length = 2 && dval > 31) {
        e.target.value = dval;
        e.target.style.backgroundColor = "red";
        return false;
        } 
   
    return true;

}

// Vult dag met voorloopnul aan
function exitdd(input) 
{
    if(input.value.length == 1) {input.value = "0" + input.value};
    return true;
}

// Checkt / vult waarde in maand-veld aan en tabt naar jaar
function inputmm(input, backcolor)
{
    input.style.backgroundColor = backcolor;
     
    // besturingstoets ==> exit
    if(IgnoreKey(event.keyCode) == true) {return false};
    // niet-numerieke toets ==> exit
    //if(IsIntKey() == false) {return false};
     if(intKeyOnly == false) {return false};
    
    var senderid = input.id
    var previd = ""
    var nextid = "" 

    if(senderid.indexOf("_mmm") > 0) { previd = senderid.replace("_mmm", "_ddd") }
    if(senderid.indexOf("_mmm") > 0) { nextid = senderid.replace("_mmm", "_yyy") }     
    
    if (((input.value == 4) || (input.value == 6) || (input.value == 9) || (input.value == 11)) && 
        (input.document.getElementById(previd).value > 30))
        {
        input.style.backgroundColor = "red";
        return false; 
        }
        
    if (input.value == 2 && input.document.getElementById(previd).value > 29)
        {
        input.style.backgroundColor = "red";
        return false; 
        } 
        
    if(input.value.length == 1 && input.value > 1) 
        {
        input.value = "0" + input.value;
        input.document.getElementById(nextid).focus(); 
        input.document.getElementById(nextid).select();
        return true;
        }
        
    if(input.value.length == 2 && input.value <= 12) 
        {
        input.document.getElementById(nextid).focus();
        input.document.getElementById(nextid).select(); 
        return true;
        }
        
    if(input.value.length == 2 && input.value > 12) 
        {
        input.style.backgroundColor = "red";
        return false;
        }   
   
    return true;
}

function FFinputmm(e, backcolor)
{
if (e.charCode == 0) {return true};
if (e.charCode < 48 || e.charCode > 57) { return false};

e.target.style.backgroundColor = backcolor;

var spos = e.target.selectionStart
var epos = e.target.selectionEnd

var dval = e.target.value.substr(0,spos) + String.fromCharCode(e.charCode) + e.target.value.substr(epos)

var senderid = e.target.id
var previd = ""
var nextid = "" 

if(senderid.indexOf("_mmm") > 0) { previd = senderid.replace("_mmm", "_ddd") }
if(senderid.indexOf("_mmm") > 0) { nextid = senderid.replace("_mmm", "_yyy") } 

 if (((dval == 4) || (dval == 6) || (dval == 9) || (dval == 11)) && 
        (document.getElementById(previd).value > 30))
        {
        e.target.value = dval;
        e.target.style.backgroundColor = "red";
        return false; 
        }
        
    if (dval == 2 && document.getElementById(previd).value > 29)
        {
        e.target.value = dval;
        e.target.style.backgroundColor = "red";
        return false; 
        } 
        
    if(dval.length == 1 && dval > 1) 
        {
        e.target.value = "0" + dval;
        document.getElementById(nextid).focus(); 
        document.getElementById(nextid).select();
        return false;
        }
        
    if(dval.length == 2 && dval <= 12) 
        {
        e.target.value = dval;
        document.getElementById(nextid).focus();
        document.getElementById(nextid).select(); 
        return false;
        }
        
    if(dval.length == 2 && dval > 12) 
        {
        e.target.value = dval;
        e.target.style.backgroundColor = "red";
        return false;
        }   
   
    return true;

}

// Vult maand met voorloopnul aan
function exitmm(input) 
{
    if(input.value.length == 1) {input.value = "0" + input.value};
    //SetCRDate(input);
    return(true);
}

function selectmm(input)
{
    input.focus();
    input.select();
}

function inputyy(input, backcolor)
{
    input.style.backgroundColor = backcolor;
    
    var senderid = input.id
    var mmmid = ""
    var dddid = ""
    if(senderid.indexOf("_yyy") > 0) { mmmid = senderid.replace("_yyy", "_mmm") }
    if(senderid.indexOf("_yyy") > 0) { dddid = senderid.replace("_yyy", "_ddd") }
    
    // Escape-toets: maak datum leeg ! 
    if (event.keyCode == 27)
    {
    input.document.getElementById(dddid).value = "";
    input.document.getElementById(mmmid).value = "";
    input.value = "";
    return true;
    }   
    
    // besturingstoets ==> exit
    if(IgnoreKey(event.keyCode) == true) {return false};
    // niet-numerieke toets ==> exit
    //if(IsIntKey() == false) {return false};  
     if(intKeyOnly == false) {return false};
   
 }
 
function FFinputyy(e, backcolor)
{
    e.target.style.backgroundColor = backcolor;  
    
    // Escape-toets: maak datum leeg ! 
    if (e.keyCode == 27)
    {
    var senderid = e.target.id
    var mmmid = ""
    var dddid = ""
    if(senderid.indexOf("_yyy") > 0) { mmmid = senderid.replace("_yyy", "_mmm") }
    if(senderid.indexOf("_yyy") > 0) { dddid = senderid.replace("_yyy", "_ddd") }  
    document.getElementById(dddid).value = "";
    document.getElementById(mmmid).value = "";
    e.target.value = "";
    return true;
    }   
    
    if (e.charCode == 0) {return true};
    if (e.charCode < 48 || e.charCode > 57) { return false};  
 }
 
 
function exityy(input, backcolor, isBirthdate) 
{
    input.style.backgroundColor = backcolor; 

    var senderid = input.id
    var mmmid = ""
    var dddid = ""
    if(senderid.indexOf("_yyy") > 0) { mmmid = senderid.replace("_yyy", "_mmm") }
    if(senderid.indexOf("_yyy") > 0) { dddid = senderid.replace("_yyy", "_ddd") } 
    
    if(input.value.length == 0)
        {
           if (input.document.getElementById(dddid).value.length > 0 || 
            input.document.getElementById(mmmid).value.length > 0 ) 
            {  
                input.style.backgroundColor = "red"; 
                //input.focus();
                selectmm(input.document.getElementById(mmmid));
                return false;
            }
        }
    
    if(input.value.length == 1) {input.value = "200" + input.value}
    if(input.value.length == 2 && input.value >= 30) {input.value = "19" + input.value}
    if(input.value.length == 2 && input.value < 30) {input.value = "20" + input.value}
    
    if(input.value.length > 0) 
        {
            var now = new Date();
            var minY = now.getFullYear() - 100; 
            var maxY = 0;
            if (isBirthdate == "True") {maxY = now.getFullYear()} else {maxY = now.getFullYear()+20};
            var d = input.document.getElementById(dddid).value
            var m = input.document.getElementById(mmmid).value
            var y = input.value
            
            var testdate =  d + "-" + m + "-" + y;
    
            if(isDate(testdate,minY,maxY) == false) {
                input.style.backgroundColor = "red";
                input.focus();
                input.select(); 
                return false;
                }
        }
}

function FFexityy(input, backcolor) 
{
    input.style.backgroundColor = backcolor; 

    var senderid = input.id
    var mmmid = ""
    var dddid = ""
    if(senderid.indexOf("_yyy") > 0) { mmmid = senderid.replace("_yyy", "_mmm") }
    if(senderid.indexOf("_yyy") > 0) { dddid = senderid.replace("_yyy", "_ddd") } 
    
    if(input.value.length == 0)
        {
           if (document.getElementById(dddid).value.length > 0 || 
            document.getElementById(mmmid).value.length > 0 ) 
            {  
                input.style.backgroundColor = "red"; 
                selectmm(document.getElementById(mmmid));
                return false;
            }
        }
    
    if(input.value.length == 1) {input.value = "200" + input.value}
    if(input.value.length == 2 && input.value >= 30) {input.value = "19" + input.value}
    if(input.value.length == 2 && input.value < 30) {input.value = "20" + input.value}
    
    if(input.value.length > 0) 
        {
            var d = document.getElementById(dddid).value
            var m = document.getElementById(mmmid).value
            var y = input.value
            
            var testdate =  d + "-" + m + "-" + y;
    
            if(isDate(testdate, 1910, 2011) == false) {
                input.style.backgroundColor = "red";
                selectmm(document.getElementById(mmmid)); 
                return false;
                }
        }
}



var dtCh= "-";
//var minYear=1900;
//var maxYear=2020;

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, minYear, maxYear){
	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)
	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 : dd/mm/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("Jaar moet tussen "+minYear+" en "+maxYear+" liggen !")
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Datum ongeldig !")
		return false
	}
return true
}

//function ValidateForm(){
//	var dt=document.frmSample.txtDate
//	if (isDate(dt.value)==false){
//		dt.focus()
//		return false
//	}
//    return true
// }