// Start QA datofelt.

function clearTimeField(ID){
	var f1;
	f1 = document.getElementById(ID);
	var strOutputTime = getTimeInstance(f1.value);
	f1.value = strOutputTime;
}

function timeIntellisense(ID){
	var f1;
	f1 = document.getElementById(ID);
	
	var strOutputDate = getTimeInstance(f1.value);
	if(strOutputDate.length > 0)
		f1.value = strOutputDate;
		f1.value = strOutputDate;
}

function getTimeInstance(strTime){

	if(strTime == null) return '';
	var nStringLength = strTime.length;
	if(nStringLength == 0) return '';
	var arrTime;
	
        if(strTime.indexOf('t') > -1) return '';

	if ((strTime.indexOf('.') > -1) && (strTime.indexOf(':') > -1) )
		return '';
	
        if (strTime.indexOf('.') > -1)
	   arrTime = strTime.split(".");
        else
	   arrTime = strTime.split(":");

	var nArrLength = arrTime.length;
	if(nArrLength > 3) return '';
	var nHour = -1;
	var nMin  = -1;
	var nSec  = -1;
	
	
	if (strTime.indexOf("/") > -1) return '';
	
	if(nArrLength == 1) {
		if(nStringLength > 2 && nStringLength % 2 != 0) return '';
		nHour = parseInt(nStringLength <= 2 ? strTime : (parseInt(strTime.substr(0,1)) == 0) ? strTime.substr(1, 1) : strTime.substr(0, 2));
		if(nStringLength > 2) nMin = parseInt((parseInt(strTime.substr(2,1)) == 0) ? strTime.substr(3,1) :strTime.substr(2,2));
		if(nStringLength > 4) nSec = parseInt(strTime.substr(4));
	}
	else {
		var strH = arrTime[0];
		nHour = parseInt(strH.length == 1 ? strH : (parseInt(strH) == 0 ? strH.substr(1,1) : strH));
		
		var strM = arrTime[1];
		nMin = parseInt(strM.length == 0 ? -1 : (strM.length == 1 ? strM : (parseInt(strM) == 0 ? strM.substr(1,1) : strM)));
		
		if(nArrLength == 3){
		  var strS = arrTime[2];
		  nSec = parseInt(strS.length == 0 ? -1 : (strS.length == 1 ? strS : (parseInt(strS) == 0 ? strS.substr(1) : strS)));
		}
	}
	if(nHour<0 || nHour > 23) return ''; 
	if(nMin == -1) {
		nMin = 0;
	}
	else if(nMin > 59) return '';

	if(nSec == -1) {
		nSec = 0;
	}
	else if(nSec > 59) return '';

	
	if(!isValidTime(nHour, nMin, nSec)) return '';
	return timeToString(nHour, nMin, nSec);
}

function timeToString(nHour, nMin, nSec){
	var strHour;
	var strMin;
	var strSec;
		
	if(nHour < 10)
		strHour = "0" + nHour;
	else
		strHour = "" + nHour;
	if(nMin < 10)
		strMin = "0" + nMin;
	else
		strMin = "" + nMin;
	if(nSec < 10)
		strSec = "0" + nSec;
	else
		strSec = "" + nSec;
        if(nHour==0 && nMin==0 && nSec==0)
          return '';
	if (nSec<1) 
          return strHour + ":" + strMin;
        else
          return strHour + ":" + strMin + ":" + strSec;
}
function isValidTime(nHour, nMin, nSec) {
	if(nHour < 0 || nHour > 23 || nMin < 0 || nMin > 59 || nSec < 0 || nSec > 59) return false;
	return true;
}


function clearDateField(ID){
	var f1;
	f1 = document.getElementById(ID);
	var strOutputDate = getDateInstance(f1.value);
	f1.value = strOutputDate;
}

function dateIntellisense(ID){
	var f1;
	f1 = document.getElementById(ID);
	
	var strOutputDate = getDateInstance(f1.value);
	if(strOutputDate.length > 0)
		f1.value = strOutputDate;
}
function getDateInstance(strDate){
	if(strDate == null) return '';
	var nStringLength = strDate.length;
	if(nStringLength == 0) return '';
	var arrDate;
	
	if ((strDate.indexOf('-') > -1) && (strDate.indexOf('.') > -1) || (strDate.indexOf('/') > -1) && (strDate.indexOf('.') > -1) || (strDate.indexOf('/') > -1) && (strDate.indexOf('-') > -1))
		return '';
	
	if (strDate.indexOf('-') > -1)
		arrDate = strDate.split("-");
        else
        {
          if (strDate.indexOf('/') > -1)
	  	arrDate = strDate.split("/");
	  else
	      arrDate = strDate.split(".");
	}
	var nArrLength = arrDate.length;
	if(nArrLength > 3) return '';
	var nDay = -1;
	var nMonth = -1;
	var nYear = -1;
        
        var dt_datetime = new Date() 	
	var nCurrentDay = dt_datetime.getDay(); 
	var nCurrentMonth = dt_datetime.getMonth()+1;
	var nCurrentYear = dt_datetime.getYear();
	
//	if (strDate.indexOf("/") > -1) return '';
	
	if(nArrLength == 1) {
		if(nStringLength > 2 && nStringLength % 2 != 0) return '';
		nDay = parseInt(nStringLength <= 2 ? strDate : (parseInt(strDate.substr(0,1)) == 0) ? strDate.substr(1, 1) : strDate.substr(0, 2));
		if(nStringLength > 2) nMonth = parseInt((parseInt(strDate.substr(2,1)) == 0) ? strDate.substr(3,1) :strDate.substr(2,2));
		if(nStringLength > 4) nYear = parseInt(strDate.substr(4));
	}
	else {
		var strD = arrDate[0];
		nDay = parseInt(strD.length == 1 ? strD : (parseInt(strD) == 0 ? strD.substr(1,1) : strD));
		
		var strM = arrDate[1];
		nMonth = parseInt(strM.length == 0 ? -1 : (strM.length == 1 ? strM : (parseInt(strM) == 0 ? strM.substr(1,1) : strM)));
		
		if(nArrLength == 3){
			var strY = arrDate[2];
			nYear = parseInt(strY.length == 0 ? -1 : (strY.length == 1 ? strY : (parseInt(strY.substr(0,1)) == 0 ? strY.substr(1) : strY)));
		}
	}
	if(nDay == 0 || nDay > 31) return '';
	if(nMonth == -1) {
		nMonth = nCurrentMonth;
	}
	else if(nMonth == 0 || nMonth > 12) return '';
	
	
	if (nYear < 100 && nYear>=0 )
        { 
		if (nYear + 2000 < nCurrentYear+20)
                {
                  nYear += 2000;
                }
                else
                {
                   nYear += 1900;
                }
	}
	
	if(nYear == -1) nYear = nCurrentYear;
	
	if(!isValidDate(nDay, nMonth, nYear)) return '';
	return dateToString(nDay, nMonth, nYear);
}
function dateToString(nDay, nMonth, nYear){
	var strDay;
	var strMonth;
		
	if(nDay < 10)
		strDay = "0" + nDay;
	else
		strDay = "" + nDay;
		
	if(nMonth < 10)
		strMonth = "0" + nMonth;
	else
		strMonth = "" + nMonth;
	
	return strDay + "." + strMonth + "." + nYear;
}
function isValidDate(nDay, nMonth, nYear) {
	if(nDay < 1 || nDay > 31 || nMonth < 1 || nMonth > 12 || (nYear < 1000)) return false;
	return nDay <= (nMonth == 2 ? nYear % 400 == 0 ? 29 : nYear % 100 == 0 ? 28 : nYear % 4 == 0 ? 29 : 28 : (nMonth == 4 || nMonth == 6 || nMonth == 9 || nMonth == 11) ? 30 : 31);
}

// Avslutt QA Dato felt

function show_calendar(str_target, str_datetime) {
	var arr_months = ["Januar", "Februar", "Mars", "April", "Mai", "Juni",
		"Juli", "August", "September", "Oktober", "November", "Desember"];
	var week_days = ["Sø", "Ma", "Ti", "On", "To", "Fr", "Lø"];
	var n_weekstart = 1; // day week starts from (normally 0 or 1)

	var dt_datetime = (str_datetime == null || str_datetime =="" ?  new Date() : str2dt(str_datetime));
	var dt_prev_month = new Date(dt_datetime);
	dt_prev_month.setMonth(dt_datetime.getMonth()-1);
	var dt_next_month = new Date(dt_datetime);
	dt_next_month.setMonth(dt_datetime.getMonth()+1);
	var dt_firstday = new Date(dt_datetime);
	dt_firstday.setDate(1);
	dt_firstday.setDate(1-(7+dt_firstday.getDay()-n_weekstart)%7);
	var dt_lastday = new Date(dt_next_month);
	dt_lastday.setDate(0);
	
	// html generation (feel free to tune it for your particular application)
	// print calendar header
	var str_buffer = new String (
		"<html>\n"+
		"<head>\n"+
		"	<title>Kalender</title>\n"+
		"</head>\n"+
		"<body bgcolor=\"White\">\n"+
		"<table class=\"clsOTable\" cellspacing=\"0\" border=\"0\" width=\"100%\">\n"+
		"<tr><td bgcolor=\"#4682B4\">\n"+
		"<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\" width=\"100%\">\n"+
		"<tr>\n	<td bgcolor=\"#4682B4\"><a href=\"javascript:window.opener.show_calendar('"+
		str_target+"', '"+ dt2dtstr(dt_prev_month)+"'+document.cal.time.value);\">"+
		"<img src=\"/gimages/calprev.gif\" width=\"16\" height=\"16\" border=\"0\""+
		" alt=\"previous month\"></a></td>\n"+
		"	<td bgcolor=\"#4682B4\" colspan=\"5\">"+
		"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"
		+arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</font></td>\n"+
		"	<td bgcolor=\"#4682B4\" align=\"right\"><a href=\"javascript:window.opener.show_calendar('"
		+str_target+"', '"+dt2dtstr(dt_next_month)+"'+document.cal.time.value);\">"+
		"<img src=\"/gimages/calnext.gif\" width=\"16\" height=\"16\" border=\"0\""+
		" alt=\"next month\"></a></td>\n</tr>\n"
	);

	var dt_current_day = new Date(dt_firstday);
	// print weekdays titles
	str_buffer += "<tr>\n";
	for (var n=0; n<7; n++)
		str_buffer += "	<td bgcolor=\"#87CEFA\">"+
		"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"+
		week_days[(n_weekstart+n)%7]+"</font></td>\n";
	// print calendar table
	str_buffer += "</tr>\n";
	while (dt_current_day.getMonth() == dt_datetime.getMonth() ||
		dt_current_day.getMonth() == dt_firstday.getMonth()) {
		// print row heder
		str_buffer += "<tr>\n";
		for (var n_current_wday=0; n_current_wday<7; n_current_wday++) {
				if (dt_current_day.getDate() == dt_datetime.getDate() &&
					dt_current_day.getMonth() == dt_datetime.getMonth())
					// print current date
					str_buffer += "	<td bgcolor=\"#FFB6C1\" align=\"right\">";
				else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
					// weekend days
					str_buffer += "	<td bgcolor=\"#DBEAF5\" align=\"right\">";
				else
					// print working days of current month
					str_buffer += "	<td bgcolor=\"white\" align=\"right\">";

				if (dt_current_day.getMonth() == dt_datetime.getMonth())
					// print days of current month
					str_buffer += "<a href=\"javascript:window.opener.document.getElementById('" + str_target + "').value"+
					"='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
					"<font color=\"black\" face=\"tahoma, verdana\" size=\"2\">";
				else 
					// print days of other months
					str_buffer += "<a href=\"javascript:window.opener.document.getElementById('" + str_target + "').value"+
					"='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
					"<font color=\"gray\" face=\"tahoma, verdana\" size=\"2\">";
				str_buffer += dt_current_day.getDate()+"</font></a></td>\n";
				dt_current_day.setDate(dt_current_day.getDate()+1);
		}
		// print row footer
		str_buffer += "</tr>\n";
	}
	// print calendar footer
	str_buffer +=
                "<form name=\"cal\">\n<tr><td colspan=\"7\" bgcolor=\"#87CEFA\">"+
		"<font color=\"White\" face=\"tahoma, verdana\" size=\"2\">"+
		"<input type=\"hidden\" name=\"time\" value=\""+
		"\" size=\"8\" maxlength=\"8\"></font></td></tr>\n</form>\n" +
		"</table>\n" +
		"</tr>\n</td>\n</table>\n" +
		"</body>\n" +
		"</html>\n";

	var vWinCal = window.open("", "Kalender", 
		"width=200,height=220,status=no,resizable=yes,top=200,left=200");
	vWinCal.opener = self;
	var calc_doc = vWinCal.document;
	calc_doc.write (str_buffer);
	calc_doc.close();
}
// datetime parsing and formatting routimes. modify them if you wish other datetime format
function str2dt (str_datetime) {
	var re_date = /^(\d+)\.(\d+)\.(\d+)$/;
	if (!re_date.exec(str_datetime))
		return alert("Feil datoformat: "+ str_datetime + "\nDato skal være på formatet [dd.mm.åååå]");
	return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1));
}
function dt2dtstr (dt_datetime) {
	return (dateToString(dt_datetime.getDate(),(dt_datetime.getMonth()+1),dt_datetime.getFullYear()));

//	return (new String (dt_datetime.getDate()+"."+(dt_datetime.getMonth()+1)+"."+dt_datetime.getFullYear()));
}
function dt2tmstr (dt_datetime) {
	return (new String (
			dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds()));
}