//wordt gebruikt bij datum validatie
var dtCh= "-";
var minYear=1900;
var maxYear=2100;
/////////

function show_submenu(nr)
{
	hide_all_submenu();
	document.getElementById('sub' + nr).style.display = '';

}

function hide_all_submenu()
{
	for(i=0;i<menu_ids.length ;i++)
	{
		document.getElementById('sub' + menu_ids[i]).style.display='none';

	}

}

function highlite(id,kleur)
{
	document.getElementById(id).style.color=kleur;
}

function emailCheck (emailStr) {

	var email_checked;
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		//alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			//alert("Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			//alert("Ths domain name contains invalid characters.");
			return false;
		}
	}

	if (user.match(userPat)==null) {
		//alert("The username doesn't seem to be valid.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				//alert("Destination IP address is invalid!");
				return false;
			}
		}
		email_checked = '1';
		return true;
	}


	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			//alert("The domain name does not seem to be valid.");
			return false;
		}
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 &&
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
		//alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}



	if (len<2) {
		//alert("This address is missing a hostname!");
		return false;
	}
	email_checked = '1';
	return true;
}

function getkey(e)
{
	if (window.event)
	return window.event.keyCode;
	else if (e)
	return e.which;
	else
	return null;
}

function goodchars(e, goods)
{
	var key, keychar;
	key = getkey(e);
	if (key == null) return true;

	// get character
	keychar = String.fromCharCode(key);
	keychar = keychar.toLowerCase();
	goods = goods.toLowerCase();

	// check goodkeys
	if (goods.indexOf(keychar) != -1)
	return true;

	// control keys
	if ( key==null || key==0 || key==8 || key==9 || key==13 || key==27 )
	return true;

	// else return false
	return false;
}
//Input van de datumvelden--> Thx to Brian
function textFieldDate_onKeyUp(e,objField)
{
	var strCurVal = objField.value;
	var intLength = 0;
	var intRest = 0;
	var strNewVal = "";
	var bDone = 0;
	var key, keychar;

	key = getkey(e);

	// get character
	keychar = String.fromCharCode(key);
	keychar = keychar.toLowerCase();

	// control keys
	if ( key==null || key==0 || key==8 || key==9 || key==13 || key==27)
	{

	}else{
		while(strCurVal.indexOf("-") != -1)
		{
			strCurVal = strCurVal.replace("-","");
		}

		while(strCurVal.indexOf("/") != -1)
		{
			strCurVal = strCurVal.replace("/","");
		}

		strCurVal = strCurVal.replace("/","");
		intLength = strCurVal.length;

		if(intLength >=4)
		{
			strNewVal = strCurVal.substring(0,2) + "-" + strCurVal.substring(2,4) + "-";
			intRest = (intLength - 4);

			if(intRest > 0)
			{
				strNewVal += strCurVal.substring(4);
			}
			bDone = 1;
		}

		if(bDone != 1 && intLength >=2 )
		{
			strNewVal = strCurVal.substring(0,2) + "-";
			intRest = (intLength - 2);
			if(intRest > 0)
			{
				strNewVal += strCurVal.substring(2);
			}

			bDone = 1;
		}



		if(bDone == 1)
		{
			objField.value = strNewVal;
		}else{

		}
	}

}


function textFieldDate_Blur(objField)
{
	var strCurVal = objField.value;
	var intLength = 0;
	var intRest = 0;
	var strNewVal = "";
	var bDone = 0;

	while(strCurVal.indexOf("-") != -1)
	{
		strCurVal = strCurVal.replace("-","");
	}

	while(strCurVal.indexOf("/") != -1)
	{
		strCurVal = strCurVal.replace("/","");
	}

	intLength = strCurVal.length;

	if(intLength >=4)
	{
		strNewVal = strCurVal.substring(0,2) + "-" + strCurVal.substring(2,4) + "-";
		intRest = (intLength - 4);

		if(intRest > 0)
		{
			strNewVal += strCurVal.substring(4);
		}
		bDone = 1;
	}

	if(bDone != 1 && intLength >=2 )
	{
		strNewVal = strCurVal.substring(0,2) + "-";
		intRest = (intLength - 2);
		if(intRest > 0)
		{
			strNewVal += strCurVal.substring(2);
		}

		bDone = 1;
	}

	if(bDone == 1)
	{
		objField.value = strNewVal;
	}
}
function isDate(dtStr,lng){
	if(dtStr =="" || dtStr == "of")
	{
		return;
	}

	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){
		if(lng==1)
		{
			alert("Geef de datum in in het formaat dd-mm-yyyy aub");
		}
		else
		{
			alert("The date format should be : dd-mm-yyyy");
		}

		return false;
	}
	if (strMonth.length<1 || month<1 || month>12){
		if(lng==1)
		{
			alert("Geef een geldige maand in aub");
		}
		else
		{
			alert("Please enter a valid month");
		}

		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		if(lng==1)
		{
			alert("Geef een geldige dag in aub");
		}
		else
		{
			alert("Please enter a valid day");
		}


		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		if(lng==1)
		{
			alert("Geef een juist jaartal in 4 cijfers in tussens " + minYear + " en " +maxYear +" aub");
		}
		else
		{
			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){
		if(lng==1)
		{
			alert("Geef een geldige datum in aub");
		}
		else
		{
			alert("Please enter a valid date");
		}


		return false;
	}
	return true;
}

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 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;
}
//thx Brian