function isBrowserSupp() {
            // Get the version of the browser
            version =  parseFloat( navigator.appVersion );

            if ( ( version >= 2.0 ) && ( version < 2.1 ) && ( navigator.appName.indexOf( "Netscape" ) != -1 ) ) {
                return false;
            } else {
                return true;
            }
            return true;
        }
        function isLeapYear( yrStr ) {
            var leapYear = false;
            var year = parseInt( yrStr, 10 );
            // every fourth year is a leap year
            if ( year % 4 == 0 ) {
                leapYear = true;
                // unless it's a multiple of 100
                if( year % 100 == 0 ) {
                    leapYear = false;
                    // unless it's a multiple of 400
                    if( year % 400 == 0 ) {
                        leapYear=true;
                    }
                }
            }
            return leapYear;
        }
        function getDaysInMonth( mthIdx, YrStr ) {
            // all the rest have 31
            var maxDays = 31
            // expect Feb. (of course)
            if( mthIdx == 1 ) {
                if( isLeapYear( YrStr ) ) {
                    maxDays=29;
                } else {
                    maxDays=28;
                }
            }
            // thirty days hath...
            if( mthIdx == 3 || mthIdx == 5 || mthIdx == 8 || mthIdx == 10 ) {
                maxDays=30;
            }
            return maxDays;
        }
        //the function which does some magic to the date fields
        // return non-zero if it is the last day of the month
        function adjustDate( mthIdx, Dt ) {
            var value = 0;

            var today = new Date()
            var theYear = parseInt( today.getFullYear(), 10 )

            if( mthIdx < today.getMonth() ) {
                theYear = ( parseInt( today.getFullYear(), 10 ) + 1 )
            }
            if( theYear < 100 ) {
                theYear = "19" + theYear
            } else {
                if( ( theYear - 100 ) < 10 ) {
                    theYear = "0" + ( theYear - 100 )
                } else {
                    theYear = ( theYear - 100 ) + ""
                }
                theYear = "20" + theYear
            }
          var numDays = getDaysInMonth( mthIdx, theYear );

            if( mthIdx == 1 ) {
                if( Dt.options.selectedIndex + 1 < numDays ) {
                    return 0;
                } else {
                    Dt.options.selectedIndex=numDays - 1;
                    //check for leap year
                    if( numDays == 29 ) {
                        return 99;
                    } else {
                        return 1;
                    }
                }
            }

            if( Dt.options.selectedIndex + 1 < numDays ) {
                value = 0;
            } else {
                if ( Dt.options.selectedIndex + 1 > numDays ) {
                    Dt.options.selectedIndex--;
                    value = 3;
                } else {
                    //index is 31 or 30
                    value = 2;
                }
            }
            return value;
        }

        //changes departure month when arrival month is changed
        function amadChange( inM, inD, outM, outD ) {
            if ( !isBrowserSupp() ) {
                return;
            }

            var res = adjustDate( inM.options.selectedIndex, inD );
            if( res != 0 ) {
                   outD.options.selectedIndex = 0;
                   if ( outM.options.selectedIndex == 11 ) {
                        outM.options.selectedIndex = 0
                   } else {
                        outM.options.selectedIndex=inM.options.selectedIndex + 1;
                        outD.options.selectedIndex = 1;
                   }
            } else {
                outM.options.selectedIndex = inM.options.selectedIndex;
                if (outD.options.selectedIndex <= inD.options.selectedIndex) {
                    outD.options.selectedIndex = inD.options.selectedIndex + 2;
                }
            }
            return;
        }


        function dmddChange( outM, outD ) {
            if ( !isBrowserSupp() ) {
                return;
            }

            adjustDate( outM.options.selectedIndex, outD );
            return;
        }

    function loadDates(arrivalMonthSelect,  arrivalDaySelect, departureMonthSelect, departureDaySelect)
    {
      var calendar = new Date();
      var calendar2 = new Date();
      var cal
      var cal2
      var date;
      var month;
      var year;
      var date2;
      var month2;
      var year2;

      //Here is the variable to change for to advance the arrival Date
       var advanceArrival = 14;
      //Here is the variable to change for to advance the departure Date
       var advanceDeparture = 16;


      //Set the arrival Days
      calendar.setDate(calendar.getDate()+ advanceArrival);
      date = calendar.getDate();
      month = calendar.getMonth();

      //Set the Departure Days
      calendar2.setDate(calendar2.getDate()+advanceDeparture);
      date2 = calendar2.getDate();
      month2 = calendar2.getMonth();

      arrivalMonthSelect.value=month;
      arrivalDaySelect.value=date;
      departureMonthSelect.value=month2;
      departureDaySelect.value=date2;
    }

    

    function update(themonth,theday){
        document.forms[fName].elements[formType+'Day'].options[theday - 1].selected = true;
        document.forms[fName].elements[formType+'Month'].options[themonth].selected = true;

        testWindow.close();
    }
    function loadCalendar(viewMonth) {
      testWindow.document.close();
      testWindow.document.open();

      var day_of_week = new Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat");
      var month_of_year = new Array("January","February","March","April","May","June","July","August","September","October","November","December");

      var dateObj = new Date();
      var year = dateObj.getFullYear();	 // Returns year
      var month = dateObj.getMonth();  // Returns month (0-11)
      var today = dateObj.getDate();   // Returns day (1-31)
      var weekday = dateObj.getDay();  // Returns day (1-31)

      var DAYS_OF_WEEK = 7;   // "constant" for number of days in a week
      var DAYS_OF_MONTH = 31; // "constant" for number of days in a month
      var cal;                // Used for printing

      if (viewMonth < month) {
        year = year + 1;
      }

      if(year < 1900){
        year += 1900; //done to solve the problem of netscape and mozilla returning year in form 10X for years > 2000
      }

      month = viewMonth;
      dateObj.setDate(1);      // Start the calendar day at '1'
      dateObj.setMonth(month); // Start the calendar month at now
      dateObj.setFullYear((year));

      // VARIABLES FOR FORMATTING
      var TR_start = '<TR>';
      var TR_end = '</TR>';
      var highlight_start = '<TD WIDTH="30"><TABLE CELLSPACING=0 BORDER=1 BORDERCOLOR=CCCCCC><TR><TD WIDTH=20><B><CENTER>';
      var highlight_end   = '</CENTER></TD></TR></TABLE></B>';
      var TD_start = '<TD WIDTH="30"><CENTER>';
      var TD_end = '</CENTER></TD>';
      var prevM = month - 1;
      var nextM = month + 1;

      if (nextM == 12) {
        nextM = 0;
      }

      if (prevM == -1) {
        prevM = 11;
      }

      // BEGIN CODE FOR CALENDAR
      cal =  '<html><head><title>Calendar</title></head><body>';
      cal += '<style>a{cursor: hand}body,table,td{cursor: default;font-family:sans-serif;font-size:12px;color:black;}p.masterHEADER {background: gray; color:white; font-weight: bold; font-size: 13px;margin:0;padding:5px;text-align: center;}</style>';



        cal += '<div style="border:black 1px solid;">';
      cal += '<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="2" width="100%">' + TR_start;
      cal += '<TD COLSPAN="' + DAYS_OF_WEEK + '"><p class=masterHEADER>';
      cal += month_of_year[month] + '   ' + year + '</p>' + TD_end + TR_end;
      cal += TR_start;

        ///////////////////////////////////
        // DO NOT EDIT BELOW THIS POINT  //
        ///////////////////////////////////

      // LOOPS FOR EACH DAY OF WEEK
      for(index=0; index < DAYS_OF_WEEK; index++) {
            // PRINTS DAY
            cal += TD_start + day_of_week[index] + TD_end;
      }

      cal += TD_end + TR_end;
      cal += TR_start;

      // FILL IN BLANK GAPS UNTIL TODAY'S DAY
      for(index=0; index < dateObj.getDay(); index++) {
          cal += TD_start + '  ' + TD_end;
        }

      // LOOPS FOR EACH DAY IN CALENDAR
        for(index=0; index < DAYS_OF_MONTH; index++) {
            if( dateObj.getDate() > index ) {
                // RETURNS THE NEXT DAY TO PRINT
                week_day =dateObj.getDay();

                // START NEW ROW FOR FIRST DAY OF WEEK
                if(week_day == 0) {
                    cal += TR_start;
                }

                if(week_day != DAYS_OF_WEEK) {
                    // SET VARIABLE INSIDE LOOP FOR INCREMENTING PURPOSES
                    var day  = dateObj.getDate();

                    // PRINTS DAY
                    cal += TD_start + "<span onclick='window.opener.update(" + month + "," + day + "," + year +")'>" + day + "</span>" + TD_end;
                }

                // END ROW FOR LAST DAY OF WEEK
                if(week_day == DAYS_OF_WEEK) {
                    cal += TR_end;
                }
            }

            // INCREMENTS UNTIL END OF THE MONTH
            dateObj.setDate(dateObj.getDate()+1);

        }// end for loop

      cal += '</td></TR></TABLE></div><br>';
        cal += '<div align="center"><a href="javascript:" onClick="window.opener.loadCalendar(' + prevM + ');"><<</a>    ';
      cal += '<a href="javascript:" onClick="window.opener.loadCalendar(' + nextM + ');">>></a></div>';
      cal += '<a href="javascript:window.close();" style="float:right">close</a>';
      cal += '</body></html>';

      //  PRINT CALENDAR
      testWindow.document.write(cal);
    }

    var testWindow;
    var fieldName;
    var fName;

    function openCalendar(formName,type) {
      formType=type;
      fName=formName;
      testWindow = window.open('','dates','width=300,height=225,resizable=1,status=1,menubar=0,location=0');
      loadCalendar(document.forms[fName].elements[formType+'Month'].selectedIndex);
    }

      function setCityInformation(_city, _state, _country) {
        clearTextBox(document.forms["hotSearch"].cityText);
        document.forms["hotSearch"].city.value = _city;
        document.forms["hotSearch"].stateProvince.value = _state;
        document.forms["hotSearch"].country.value = _country;
      }

      function clearTextBox(_textbox) {
        _textbox.value = "";
      }

      function validate(form) {
        if (form.numberOfRooms.selectedIndex == 8) {
          window.location = "http://travel.ian.com/index.jsp?pageName=groups&cid=373627&locale=en_US";  // change CID here
          return false;
        }

        if (document.forms["hotSearch"].cityText.value != "") {
          document.forms["hotSearch"].stateProvince.value = "";
          document.forms["hotSearch"].country.value = "";
          document.forms["hotSearch"].city.value = document.forms["hotSearch"].cityText.value;
        }

        return submitGuestInfoForm(form);
      }

        // NOTE: customize variables in this javascript block as appropriate.
        var defaultAdults="2";
        var cellStyle="";
        var childHelp="<p style=font-size:11px;>Please provide the ages of children in each room. Children's ages should be their age at the time of travel.</p>";
        var adultHelp="";
        var textRooms="Rooms:";
        var textAdults="Adults: (age 19+)";
        var textChildren="Children: (0-18)";
        var textChildError="Please specify the ages of all children.";
        var pad='<img src="http://travel.ian.com/images/p.gif" width="5" height="1">';
        // NOTE: Question marks ("?") get replaced with a numeric value
        var textRoomX="Room ?:";
        var textChildX="Child ?:";



        var adultsPerRoom=new Array(defaultAdults);
        var childrenPerRoom=new Array();
        var childAgesPerRoom=new Array();
        var numRooms=1;
        var maxChildren=0;

        refresh();

        function setChildAge(room, child, age) {
            if (childAgesPerRoom[room] == null) {
                childAgesPerRoom[room] = new Array();
            }
            childAgesPerRoom[room][child] = age;
        }

        function setNumAdults(room, numAdults) {
            adultsPerRoom[room] = numAdults;
        }

        function setNumChildren(room, numChildren) {
            childrenPerRoom[room] = numChildren;
            refresh();
        }

        function setNumRooms(x) {
            numRooms = x;
            for (i = 0; i < x; i++) {
                if (adultsPerRoom[i] == null) {
                    adultsPerRoom[i] = 2;
                }
                if (childrenPerRoom[i] == null) {
                    childrenPerRoom[i] = 0;
                }
            }
            refresh();
        }

        function renderRoomSelect() {
            var x = '';
            x += '<select name="numberOfRooms" onchange="setNumRooms(this.options[this.selectedIndex].value);">';
            for (var i = 1; i < 9; i++) {
                x += '<option value="'+i+'"'+(numRooms == i ? ' selected' : '')+'>' + i;
            }
            x += '<option value="9"'+(numRooms == 9 ? ' selected' : '')+'>9+';
            x += '</select>';
            return x;
        }

        function refresh() {
            maxChildren = 0;
            for (var i = 0; i < numRooms; i++) {
                if (childrenPerRoom[i] > maxChildren) {
                    maxChildren = childrenPerRoom[i];
                }
            }

            var x = '';
            if (adultHelp.length > 0) {
                x = adultHelp + "<p>\n";
            }

            if (numRooms > 8) {
                x += textRooms;
                x += renderRoomSelect();

            } else {
                x += '<table border="0" cellspacing="2" cellpadding="0">\n';
                x += '<tr><td'+cellStyle+'>'+textRooms+pad+'</td>';
                if (numRooms >= 1) {
                    x += '<td'+cellStyle+'> </td>';
                }
                x += '<td'+cellStyle+'><nobr>'+textAdults+pad+'</nobr></td><td'+cellStyle+'><nobr>'+textChildren+pad+'</nobr></td></tr>\n';
                for (var i = 0; i < numRooms; i++) {
                    x += '<tr><td'+cellStyle+'>';
                    if (i == 0) {
                        x += renderRoomSelect();
                    } else {
                        x += ' ';
                    }
                    x += '</td>';
                    if (numRooms >= 1) {
                        x += '<td'+cellStyle+'><nobr>'+getValue(textRoomX, i+1)+pad + '</nobr></td>';
                    }
                    x += '<td'+cellStyle+'>';
                    x += buildSelect('room-' + i + '-adult-total', 'setNumAdults(' + i + ', this.options[this.selectedIndex].value)', 1, 4, adultsPerRoom[i]);
                    x += '</td><td'+cellStyle+'>';
                    x += buildSelect('room-' + i + '-child-total', 'setNumChildren(' + i + ', this.options[this.selectedIndex].value)', 0, 5, childrenPerRoom[i]);
                    x += '</td></tr>\n';
                }
                x += '</table>\n';

                var didHeader = false;
                for (var i = 0; i < numRooms; i++) {
                    if (childrenPerRoom[i] > 0) {
                        if (!didHeader) {
                            x += '<table border="0" cellpadding="0" cellspacing="2">\n';
                            x += '<tr><td'+cellStyle+' colspan="'+(maxChildren+1)+'">';
                            x += '<img src="/images/p.gif" width="1" height="5"><br>';
                            x += childHelp;
                            x += '<img src="/images/p.gif" width="1" height="5"><br>';
                            x += '</td></tr>\n<tr><td'+cellStyle+'> </td>';
                            for (var j = 0; j < maxChildren; j++) {
                                x += '<td'+cellStyle+'><nobr>'+getValue(textChildX, j+1)+pad+'</nobr></td>\n';
                            }
                            didHeader = true;
                        }
                        x += '</tr>\n<tr><td'+cellStyle+'><nobr>'+getValue(textRoomX, i+1)+pad+'</nobr></td>';
                        for (var j = 0; j < childrenPerRoom[i]; j++) {
                            x += '<td'+cellStyle+'>';
                            var def = -1;
                            if (childAgesPerRoom[i] != null) {
                                if (childAgesPerRoom[i][j] != null) {
                                    def = childAgesPerRoom[i][j];
                                }
                            }
                            x += '<select name="room-'+i+'-child-'+j+'-age" onchange="setChildAge('+i+', '+j+', this.options[this.selectedIndex].value);">';
                            x += '<option value="-1"'+(def == -1 ? ' selected' : '')+'>-?-';
                            x += '<option value="0"'+(def == 0 ? ' selected' : '')+'><1';
                            for (var k = 1; k <= 18; k++) {
                                x += '<option value="'+k+'"'+(def == k ? ' selected' : '')+'>'+k;
                            }
                            x += '</td>';
                        }
                        if (childrenPerRoom[i] < maxChildren) {
                            for (var j = childrenPerRoom[i]; j < maxChildren; j++) {
                                x += '<td'+cellStyle+'> </td>';
                            }
                        }
                        x += '</tr>\n';
                    }
                }
                if (didHeader) {
                    x += '</table>\n';
                }
            }

            document.getElementById("hot-search-params").innerHTML = x;
        }

        function buildSelect(name, onchange, min, max, selected) {
            var x = '<select name="' + name + '"';
            if (onchange != null) {
                x += ' onchange="' + onchange + '"';
            }
            x +='>\n';
            for (var i = min; i <= max; i++) {
                x += '<option value="' + i + '"';
                if (i == selected) {
                    x += ' selected';
                }

                x += '>' + i + '\n';
            }
            x += '</select>';
            return x;
        }

        function validateGuests(form) {
            if (numRooms < 9) {
                var missingAge = false;
                for (var i = 0; i < numRooms; i++) {
                    var numChildren = childrenPerRoom[i];
                    if (numChildren != null && numChildren > 0) {
                        for (var j = 0; j < numChildren; j++) {
                            if (childAgesPerRoom[i] == null || childAgesPerRoom[i][j] == null || childAgesPerRoom[i][j] == -1) {
                                missingAge = true;
                            }
                        }
                    }
                }

                if (missingAge) {
                    alert(textChildError);
                    return false;
                } else {
                    return true;
                }
            } else {
                return true;
            }
        }

        function submitGuestInfoForm(form) {
            if (!validateGuests(form)) {
                return false;
            }

            return true;
        }

        function getValue(str, val) {
            return str.replace(/\?/g, val);
        }