onerror = report;
var navigatorNameString = navigator.appName.toUpperCase();
function openWindow(genses) {
	winParam = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=300,height=250";
	if ( navigatorNameString.indexOf("MICROSOFT") >= 0 ) {
		winParam+=",left=200,top=200";
	}
	else{
		winParam+=",screenX=300,screenY=400";
	}
	window.open(genses, "Tips", winParam);
	winParam = "";
}
function openPicWindow(genses) {
	winParam = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=800,height=800";
	if ( navigatorNameString.indexOf("MICROSOFT") >= 0 ) {
		winParam+=",left=200,top=200";
	}
	else{
		winParam+=",screenX=300,screenY=400";
	}
	window.open(genses, "Bilder", winParam);
	winParam = "";
}
function openLogonWindow(genses) {
	winParam = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=305,height=135";
	if ( navigatorNameString.indexOf("MICROSOFT") >= 0 ) {
		winParam+=",left=250,top=250";
	}
	else{
		winParam+=",screenX=300,screenY=400";
	}
	window.open(genses, "LOGON", winParam);
	winParam = "";
}
function report(message,url,line) {
	// do nada
}
function validate_nwsltr() {
	if ( window.document.epost.value.indexOf("@") < 0 ) {
		return (false);
	}
	if ( window.document.epost.value.indexOf(".") < 0 ) {
		return (false);
	}
	if (window.document.konto.text4.value.length < 5) {
		return (false);
	}	
}
// 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(dtStr){
	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);
	var dagensdato = new Date();
	var dagensaar = dagensdato.getYear();
	if (dagensaar < 1000) dagensaar += 1900;
	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("Dato formatet for fødselsdato skal være : dd/mm/åååå");
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12) {
		alert("Vennligst tast inn gyldig måned i fødselsdato");
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]) {
		alert("Vennligst tast inn gyldig dag i fødselsdato");

		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear) {
		alert("Vennligst tast inn gyldig 4 tall mellom "+minYear+" og "+maxYear+ " i fødselsdato");
		return false;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false) {
		alert("Vennligst tast inn gyldig dato");
		return false;
	}
	if (year > dagensaar) {
		alert("Vennligst tast inn gyldig år.. du tastet " + year + ", dagens år er: " + dagensaar);
		return false;
	}
	return true;
}

function IsNumeric(sText) {
	var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;

	for (i = 0; i < sText.length && IsNumber == true; i++) { 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) {
			IsNumber = false;
		}
	}
	return IsNumber;
}