/* HAFAS BASIC - External Javascript (based on: R4 v1.9)         */
/* v1.0  created May 2002 by MB supported by Anton & Friedrich   */
/* v1.9  changed 25.09.2002 - latest R4 version                  */
/* v2.0  changed 24.10.2002 - locType can be 'LIST' or 'RADIO'   */
/* v2.1  changed 13.11.2002 - function popUp administrates also  */
/*       new style 'loc' to replace formerly function openInfo   */
/* v2.2  changed 29.01.2003 by JF - TripleID value added         */
/* v2.3  changed 11.05.2006 from HER - tooltips functions        */
/* v2.4  changed 06.10.2006 removed some functions to other libs */

function bitfield(field,array) {
  var result = '';
  for (var i=0; ((i < field.length) && (field.length == array.length)); i++) {
    result = result + array[i] + ((field.substr(i,1) == '1') ? "=yes" : "=no") + ((i+1 < field.length) ? "," : "");
    }
  return result;
  }

/* open a popup-window with any content */
function openPopup(url,windowname,topPosition,leftPosition,width,height,flags) {
   var popUpSwitches = new Array("location","menubar","scrollbars","status","resizable","toolbar");
   flags = bitfield(flags,popUpSwitches)

   // URL Korrektur um JavaScript Security Error zu vermeiden
   // gleichen Hostnamen von PopUp und Opener
   var startIndex = url.indexOf("//");
   if (startIndex >= 0) {
      var newUrl = url.substring(0, startIndex);

      url = url.substring(startIndex+2, url.length);
      startIndex = url.indexOf("/");
      url = url.substring(startIndex, url.length);

      var first = newUrl.concat("//");
      var second = first.concat(window.location.host);
      var third = second.concat(url);
      url = third;
   }

   var newwin = window.open(url,windowname,"top="+topPosition+",left="+leftPosition+",width="+width+",height="+height+flags);
   newwin.focus(self);
}

/* Function to open a popup-window with any content */
function popUpWindow(url,title,style,topPosition,leftPosition,width,height)
    {
    var standard = ",resizable=no,status=no,toolbar=no,menubar=no,location=no";
    if (style=="pro" || style=="int" || style=="sef") var size = ",scrollbars=yes,width=600,height=500";
    else if (style=="poi") var scrollbar = ",scrollbars=yes,";
    else if (style=="pri") var scrollbar = ",scrollbars=yes,";
    else if (style=="cms") var scrollbar = ",scrollbars=yes,";
    else if (style=="loc") var scrollbar = ",scrollbars=no,";
    else if (style== "profile") var size = ",sCrollbars=no,";
    else if (style== "partner") var scrollbars = ",sCrollbars=yes,";

    var layout = "top="+topPosition+",left="+leftPosition+standard+""+scrollbar+",width="+width+",height="+height;

    newwin = window.open(url,title,layout);
    newwin.focus(self);
    }

/* Set Date by JavaScript */
function getjsDate(type){
    var ndate = new Date();
    var t = ndate.getDate();
    var m = 1+(1*ndate.getMonth());
    var g = "g"+ndate.getFullYear();
    var j = g.substring(3,5);
    if(t<10) t = "0"+t;
    if(m<10) m = "0"+m;
    if(j<10) j = "0"+1*j;
    if(type=="full")
      {var date = t+"."+m+"."+j; return date;}
    else
      {var date = new Array(t,m,j); return date;}
    }

function checkWeekday(count,journeyType,returnDateOnly){
    var getcDate = eval("document.formular.REQ"+journeyType+"JourneyDate.value.toLowerCase();");
    if(getcDate == ""){var nix = 0;} else
    if((getcDate.length > 2) || (getcDate.indexOf("+")!= -1)) /* Abfrage auf '+' benötigt ??? */
      {changeDate(count,journeyType,returnDateOnly);}
    else
      {doWeekday(journeyType,getcDate,returnDateOnly);}
    }

function useOutwardDate(wDay)
   {
   var getcDate = eval("document.formular.REQ0JourneyDate.value.toLowerCase();");
   var reg = eval("/^ *("+wDay+")\, */");
   var cDate = getcDate.replace(reg,"");
   var date = cdate.split(".");
   return date;
   }

function doWeekday(journeyType,getcDate,returnDateOnly){
   var wDayOri = eval("document.formular.wDayExt"+journeyType+".value;");
   var wDay = eval("document.formular.wDayExt"+journeyType+".value.toLowerCase();");
   if(journeyType == 0 && returnDateOnly == "yes")
     {
     var dateField = getjsDate('field');
     }
   else if(journeyType == 1 && returnDateOnly == "yes")
     {
     var dateField = useOutwardDate(wDay);
     }
   else /* if(journeyType == 1 && returnDateOnly == "no") */
     {
     var dateField = getjsDate('field');
     }

   var reg = eval("/^ *("+wDay+") */");
   var test = getcDate.match(reg);
   if(test!=null)
      {
      var days = getDaysSince1980((1*("20"+dateField[2])),(1*dateField[1]),(1*dateField[0]));
      var cwd = (wDay.substr((3*(1*days%7)),2));
      var nwd = test[0];
      var nwdidx  = (wDay.indexOf(test[0])/3);
      var cwdidx  = (wDay.indexOf(cwd)/3);
      if(nwdidx < cwdidx)
        {
        nwdidx = nwdidx + 7 - cwdidx;
        }
      else
        {
        nwdidx = nwdidx - cwdidx;
        }
      var newDay = nwdidx;
      var gDate = gregDate(1*newDay+1*(getDaysSince1980((1*("20"+dateField[2])),(1*dateField[1]),(1*dateField[0]))));
      var days = (1*+newDay+1*getDaysSince1980((1*("20"+dateField[2])),(1*dateField[1]),(1*dateField[0])));
      setNewDate(journeyType,gDate,getcDate,wDayOri,days);
      }
   }

/* Get and Calculate new date */
function changeDate(count,journeyType,returnDateOnly){
    var wDay = eval("document.formular.wDayExt"+journeyType+".value;");
    var getcDate = eval("document.formular.REQ"+journeyType+"JourneyDate.value;");
    var reg = eval("/^ *("+wDay+")\, */");
    if(getcDate=="" && journeyType==1 && returnDateOnly=="no")  {var getcDate = getjsDate('full');}
    if(getcDate=="" && journeyType==1 && returnDateOnly=="yes") {var getcDate = eval("document.formular.REQ0JourneyDate.value;");}
    var cDate = getcDate.replace(reg,"");
    var ctg = 1*(cDate.substring(0,cDate.indexOf(".")));
    var cmt = 1*(cDate.substring((cDate.indexOf(".")+1),cDate.lastIndexOf(".")));
    var cjr = (cDate.substring((cDate.lastIndexOf(".")+1),cDate.length));
    if(ctg=="" || cmt=="" || cjr=="")
      {/* NIX */}
    else
      {
       if(cjr.length==4){cjr = cjr.substring(2,4);};
       var gDate = gregDate(1*count+1*(getDaysSince1980((1*("20"+cjr)),cmt,ctg)));
       var days = (1*count+1*(getDaysSince1980((1*("20"+cjr)),cmt,ctg)));
       setNewDate(journeyType,gDate,cDate,wDay,days);
       }
    }

function setNewDate(journeyType,gDate,cDate,wDay,days)
   {
   var nwdArray = wDay.split("|");
   var nwd = nwdArray[1*days%7];
   if(gDate[0]<10){gDate[0]="0"+gDate[0];}
   if(gDate[1]<10){gDate[1]="0"+gDate[1];}
   var nDate = nwd+", "+gDate[0]+"."+gDate[1]+"."+gDate[2];
   if(nDate.indexOf("NaN")!=-1) var nDate = cDate;
   eval("document.formular.REQ"+journeyType+"JourneyDate.value =\""+nDate+"\";");
   }

function getDaysSince1980(y, m, d){
   var daysInMonth = new Array(0,31,59,90,120,151,181,212,243,273,304,334);
   var returnDays = (y-1980)*365;
   returnDays    += (y-1980+3)/4;
   returnDays    += daysInMonth[m-1];
      if(m>2 && isLeapYear(y)==true) returnDays ++;
   returnDays += d;
   returnDays = parseInt(returnDays);
   return returnDays;
   }

function isLeapYear(y){if((y%4)==0 && (y%100)!=0 || (y%400)==0) return true;}

function gregDate(daysSince1980){
   var daysSince1980 = parseInt(daysSince1980);
   var daysInMonth = new Array(0,31,59,90,120,151,181,212,243,273,304,334);
   var daysInYear = 366;
   var years      = 0;
   var february_29;
   var n = 11;
   if(daysSince1980 < 0) daysSince1980 = 0;
   while(daysSince1980> daysInYear){
      years ++;
      daysSince1980 -= daysInYear;
      if((years%4)==0) {daysInYear = 366;} else {daysInYear = 365;}
      }
   if((years%4)==0 && daysSince1980>=60)
      {february_29 = true; daysSince1980 --;} else
      {february_29 = false;}

   while(n>0 && daysInMonth[n]>=daysSince1980) n--;
   if(february_29==true && daysSince1980 == 59) daysSince1980 ++;
   var d = (daysSince1980-daysInMonth[n]);
   var m = n+1;
   var ty = (years + 1980).toString();
   var y = ty.substring(2,4);
   var gDate = new Array(d,m,y);
   return gDate;
   }

/* Returns the absolute x-position of element el */
function absLeft(el) {
   return (el.offsetParent)?
      el.offsetLeft+absLeft(el.offsetParent) : el.offsetLeft;
   }

/* Returns the absolute y-position of element el */
function absTop(el) {
   return (el.offsetParent)?
      el.offsetTop+absTop(el.offsetParent) : el.offsetTop;
   }

function e() {/* cool */
   return document.getElementById(arguments[0]);
   }

// returns the scroll left and top for the browser viewport.
function getScrollPos() {
   if ( document.body.scrollTop != undefined ) {  // IE model
      var ieBox = document.compatMode != "CSS1Compat";
      var cont = ieBox ? document.body : document.documentElement;
      return { x : cont.scrollLeft, y : cont.scrollTop };
   }
   else {
      return { x : window.pageXOffset, y : window.pageYOffset };
   }
}