// Global variables
var curdate = new Date()
var curYear = curdate.getFullYear();
var manualYear = curdate.format('Y');
var manualMonth = curdate.format('n');
var allBandInfo = new Array();
var calendarScrolled = -1;

function hideSearch() {
  unselected('menu_search');
  unhilite('search_close');
  hideElem('search');
  hideMonth();
}
function showSearch() {
  if (!isDraggable()) hideAll();
  else raiseWindow('search');
  showElem('search');
  selected('menu_search');
  scrollTo(calendarScrolled);
}
function toggleSearch() {
  if (document.getElementById('search').style.display!='block') showSearch();
  else hideSearch();
}
function initSearch() {
  placeElem('search');
  if (isDraggable())
    getFile('search_menu_drag.html','search_top_drag','switchSearch()');
  else
    getFile('search_menu_dock.html','search_top_drag','switchSearch()');
}
function switchSearch() {
  if (getCookie('showsearch')=='calendar') { showCalendar(); }
  else { showManual(); }
  hideElem('debug');
}

// Calendar functions
function showCalendar(year) {
  if (year==null || year=='') { year=curYear; }
  year=Math.min(year,curdate.getFullYear());
  curYear=year;
  setCookie('showsearch','calendar');
  unselected('search_manual');
  selected('search_calendar');
  getCalendar(year,screenYears-1);
}
function initCalendar() {
  fixShadow();
  setOption('RAD_color_copy',getCookie('showcolor'),3);
  if (calendarScrolled < 0) scrollEnd();
  else scrollTo(calendarScrolled);
}
function showMonth(theElem,mname,year,month,satellite) {
  showFloater(theElem);
  getMonth(year,month,satellite);
}
function hideMonth() {
  hideFloater();
}
function scrollEnd() {
  scrollTo(-1);
}
function scrollTo(pixels) {
  var theElem=document.getElementById('div_calendar');
  if (theElem!=null) {
    if (pixels<0) theElem.scrollLeft=theElem.scrollWidth;
    else theElem.scrollLeft=calendarScrolled;
  }
}
function setScroll(pixels) {
  calendarScrolled = pixels;
}

function updateSearch() {
  if (calendarVisible()) { getCalendar(curYear,screenYears-1); }
  if (manualVisible()) {
    if (isDateRange()) { JSUpdateSelect('TXT_datefrom'); }
    else { JSUpdateSelect('TXT_datesingle'); }
  }
}

function printCalendar() {
  var now = new Date();
  var msg ='The printed table will contain '+(curYear-printYears+1);
      msg+=' to '+curYear+'.\n';
      msg+='Landscape mode is recommended.';
  if (confirm(msg)) {
    getCalendar(curYear,printYears-1,1);
  }
}

// Manual functions
function showManual() {
  setCookie('showsearch','manual');
  unselected('search_calendar');
  selected('search_manual');
  if (!document.getElementById('BUT_search')) { getManual(); }
  else {
    checkSetSearch();
    checkSetCollapse();
  };
}
function initManual() {
  var columnWidth=Math.round(
    ( getWidth('table_manual') - (2*getWidth('side_anchor1')) - 13 )/2
  );
// IE7 wanted this...
  columnWidth=Math.abs(columnWidth);
//  var elem1=document.getElementById('content_anchor1');
  var elem2=document.getElementById('content_anchor2');
//  elem1.style.width=columnWidth+'px';
  elem2.style.width=columnWidth+'px';
  document.getElementById('TXT_datesingle').focus();
  loadMap();
  fixShadow();
  checkSetSearch();
  updatePrefsAlls();
  updatePrefsCollapsed();
  checkSetCollapse();
  setDisabledAll();
}
function showDateCalendar(thisElem,thatElem,year,month) {
  if (typeof(thisElem)=='string') thisElem=document.getElementById(thisElem);
  if (typeof(thatElem)=='string') thatElem=document.getElementById(thatElem);
  showFloater(thisElem);
  if (year==null) year=manualYear;
  if (month==null) month=manualMonth;
  getDateCalendar(thisElem,thatElem,year,month);
}
function setDateCalendar(theElem,year,month,day) {
  if (typeof(theElem)=='string') theElem=document.getElementById(theElem);
  manualYear=year;
  manualMonth=month;
  if (month<10) month='0'+month;
  if (day<10) day='0'+day;
  var newvalue=year+'-'+month+'-'+day;
  doHideFloater=1;
  hideFloaterNow();
  theElem.value=newvalue;
  theElem.focus();
  if (theElem.id=='TXT_datesingle') JSUpdateSelect(theElem.id);
  if (theElem.id.match('END_text')) {
    if (theElem.onchange) theElem.onchange();
  }
}
function setDateType(value) {
  if (value!=2) {
    unselected('RAD_datetype2');
    selected('RAD_datetype1');
    showElem('TD_datesingle');
    hideElem('TD_daterange');
    document.getElementById('TXT_datetype').value='single';
    document.getElementById('TXT_datesingle').value='';
    document.getElementById('TXT_datefrom').value='';
    document.getElementById('TXT_dateto').value='';
    document.getElementById('TXT_datesingle').focus();
    setSelections('SEL_satellite');
    JSUpdateSelect('SEL_satellite');
  }
  else {
    unselected('RAD_datetype1');
    selected('RAD_datetype2');
    showElem('TD_daterange');
    hideElem('TD_datesingle');
    document.getElementById('TXT_datetype').value='range';
    document.getElementById('TXT_datesingle').value='';
    document.getElementById('TXT_datefrom').value='';
    document.getElementById('TXT_dateto').value='';
    document.getElementById('TXT_datefrom').focus();
    setSelections('SEL_satellite');
    JSUpdateSelect('SEL_satellite');
  }
}
function setTimeType(value) {
  if (value!=2) {
    unselected('RAD_timetype2');
    selected('RAD_timetype1');
    document.getElementById('TXT_timetype').value='each';
  }
  else {
    unselected('RAD_timetype1');
    selected('RAD_timetype2');
    document.getElementById('TXT_timetype').value='all';
  }
}

// What is currently visible?
function calendarVisible() {
  return(isSelected('search_calendar'));
}
function manualVisible() {
  return(isSelected('search_manual'));
}

// Date/Time functions specific to updating forms
function isDateSingle() {
  if (document.getElementById('TXT_datetype').value=='single') { return(true); }
  return(false);
}
function isDateRange() {
  if (document.getElementById('TXT_datetype').value=='range') { return(true); }
  return(false);
}
function isTimeEach() {
  if (document.getElementById('TXT_timetype').value=='each') { return(true); }
  return(false);
}
function isTimeAll() {
  if (document.getElementById('TXT_timetype').value=='all') { return(true); }
  return(false);
}
function getDateList() {
  var dateList=new Array();
  if (isDateRange()) {
    var datefrom=document.getElementById('TXT_datefrom').value;
    var dateto=document.getElementById('TXT_dateto').value;
    dateList.push(datefrom.trim());
    dateList.push(dateto.trim());
  }
  else {
    var datesingle=document.getElementById('TXT_datesingle').value;
    dateList.push(datesingle.trim());
  }
  return(dateList);
}
function getDateListFlat() {
  var dateList=getDateList();
  var dateText='';
  if (dateList.length==1) {
    if (dateList[0].match(' - ')) {
      dateListParts=dateList[0].split(' - ');
      dateText=dateListParts[0]+'|'+dateListParts[1];
    }
    else { dateText=dateList[0]+'|'+dateList[0]; }
  }
  else if (dateList.length==2) { dateText=dateList[0]+'|'+dateList[1]; }
  return(dateText);
}
function getTimeList() {
  var timeList=new Array();
  if (document.getElementById('TXT_timefrom').value=='') {
    timeList.push('00:00:00');
  }
  else {
    var timefrom=document.getElementById('TXT_timefrom').value;
    timeList.push(timefrom.trim());
  }
  if (document.getElementById('TXT_timeto').value=='') {
    timeList.push('23:59:59');
  }
  else {
    var timeto=document.getElementById('TXT_timeto').value;
    timeList.push(timeto.trim());
  }
  return(timeList);
}
function getTimeListFlat() {
  var timeList=getTimeList();
  var timeType='each';
  if (isTimeAll()) { timeType='all'; }
  var timeText=timeList[0]+'|'+timeList[1]+'|'+timeType;
  return(timeText);
}

function getLatLon() {
  var llList=new Array();
  if (document.getElementById('TXT_lat').value!='' &&
      document.getElementById('TXT_lon').value!='') {
    var latVal=document.getElementById('TXT_lat').value;
    var lonVal=document.getElementById('TXT_lon').value;
    llList.push(latVal.replace(/ /g,''));
    llList.push(lonVal.replace(/ /g,''));
  }
  else {
    llList.push('');
    llList.push('');
  }
  return(llList);
}
function getLatLonFlat() {
  var llList=getLatLon();
  var llText=llList[0]+'|'+llList[1];
  return(llText);
}

// AJAX search wrapper
function doCalendarSearch(date,satkey) {
  hideMonth();
  getSearch(
    date+'|'+date,
    '00:00:00|23:59:59|all',
    satkey,
    '',
    '',
    '',
    ''
  );
}
function doManualSearch() {
  var dateList=getDateListFlat();
  var satList=getSelectionsFlat('SEL_satellite',1);
  if (!isEnabled('BUT_search')) {
    if (dateList.match(/^\|/) || dateList.match(/\|$/)) {
      alert('Please enter date(s) to search');
      if (isDateRange()) { document.getElementById('TXT_datefrom').focus(); }
      else { document.getElementById('TXT_datesingle').focus(); }
    }
    else {
      if (satList=='') { alert('Please select satellite(s) to search'); }
      else { alert('Please select additional criteria to search'); }
    }
    return(false);
  }
  getSearch(
    dateList,
    getTimeListFlat(),
    satList,
    getSelectionsFlat('SEL_type',1),
    getSelectionsFlat('SEL_coverage',1),
    getSelectionsFlat('SEL_schedule',1),
    getLatLonFlat()
  );
}

// Month
function lightMonth(year,month) {
  var theElem=document.getElementById('td_month_'+year+'_'+month);
  if (theElem) { theElem.style.color='yellow'; }
}
function unlightMonth(year,month) {
  var theElem=document.getElementById('td_month_'+year+'_'+month);
  if (theElem) { theElem.style.color='black'; }
}

// Satellite
function lightSatellite(satellite) {
  var theElem=document.getElementById('td_'+satellite);
  if (theElem) { theElem.style.color='yellow'; }
}
function unlightSatellite(satellite) {
  var theElem=document.getElementById('td_'+satellite);
  if (theElem) { theElem.style.color='black'; }
}

// Legend
function lightLegend(classname) {
  var theElem=document.getElementById('td_'+classname);
  if (theElem) { theElem.style.color='yellow'; }
}
function unlightLegend(classname) {
  var theElem=document.getElementById('td_'+classname);
  if (theElem) {
    if (classname=='Unknown_Location') theElem.style.color='white';
    else theElem.style.color='black';
  }
}

// Auto-populate search fields... once, on load
var searchDate='';
var searchTime1='';
var searchTime2='';
var searchSatellite='';
var searchType='';
var searchCoverage='';
var searchSchedule='';
var searchCollapse='';
var searchRun='';
function setSearchParams(date,time1,time2,satellite,type,coverage,schedule) {
  searchDate=date;
  searchTime1=time1;
  searchTime2=time2;
  searchSatellite=satellite;
  searchType=type;
  searchCoverage=coverage;
  searchSchedule=schedule;

}
function setCollapsed(collapse) {
  searchCollapse=collapse;
}
function setDoSearch(dosearch) {
  searchRun=dosearch;
}

var checkedSet=0;
function checkSetSearch() {
  if (checkedSet!=0) return;
  setSearch();
  checkedSet=1;
}

function setSearch() {
  if (document.getElementById('table_manual')==null) return;
  if (searchDate!='') {
    var theElem=document.getElementById('TXT_datesingle');
    if (theElem!=null) {
      theElem.value=searchDate;
      JSUpdateSelect(theElem.id);
    }
  }
  if (searchTime1!='') {
    var theElem=document.getElementById('TXT_timefrom');
    if (theElem!=null) theElem.value=searchTime1;
  }
  if (searchTime2!='') {
    var theElem=document.getElementById('TXT_timeto');
    if (theElem!=null) theElem.value=searchTime2;
  }
}

var checkedSetSatellite=0;
function checkSetSatellite() {
  if (checkedSetSatellite!=0) return;
  setSearchSatellite();
  checkedSetSatellite=1;
}
function setSearchSatellite() {
  if (document.getElementById('table_manual')==null) return;
  updateSelections('SEL_satellite',searchSatellite.split(','));
}

var checkedSetType=0;
function checkSetType() {
  if (checkedSetType!=0) return;
  setSearchType();
  checkedSetType=1;
}
function setSearchType() {
  if (document.getElementById('table_manual')==null) return;
  updateSelections('SEL_type',searchType.split(','));
}

var checkedSetCoverage=0;
function checkSetCoverage() {
  if (checkedSetCoverage!=0) return;
  setSearchCoverage();
  checkedSetCoverage=1;
}
function setSearchCoverage() {
  if (document.getElementById('table_manual')==null) return;
  updateSelections('SEL_coverage',searchCoverage.split(','));

}

var checkedSetSchedule=0;
function checkSetSchedule() {
  if (checkedSetSchedule!=0) return;
  setSearchSchedule();
  checkedSetSchedule=1;
}
function setSearchSchedule() {
  if (document.getElementById('table_manual')==null) return;
  updateSelections('SEL_schedule',searchSchedule.split(','));
}

var checkedSetCollapse=0;
function checkSetCollapse() {
  if (checkedSetCollapse!=0) return;
  setSearchCollapse();
  checkedSetCollapse=1;
}
function setSearchCollapse() {
  if (searchCollapse=='' || searchCollapse==null) return;
  var theElem=document.getElementById('CHK_collapsed');
  if (theElem==null) return;
  if (searchCollapse==0 || searchCollapse=='false' || searchCollapse=='off')
    theElem.checked=0;
  else
    theElem.checked=1;
}

var checkedDoSearch=0;
function checkDoSearch() {
  if (checkedDoSearch!=0) return;
  if (searchRun=='' || searchRun==0 || searchRun==null) return;
  setEnabled('BUT_search');
  doManualSearch();
  checkedDoSearch=1;
}