function openWin(){
    thor = window.open('http://reservations.maui-hotels.com/components/processing.jsp?counter=0&cid=52979&specials=false','thor','top=200,left=220,width=500,height=250,resizable=1');
}

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;
}

// adjusts the number of days in the month for the selected month
// and returns 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.getYear(), 10 )

	if ( mthIdx < today.getMonth() ) {
		theYear = ( parseInt( today.getYear(), 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 + 2 < numDays ) {
			return 0;
		} else {
			if ( Dt.options.selectedIndex + 1 > numDays) {
				Dt.options.selectedIndex=numDays - 1;
			}
			//check for leap year
			if ( (Dt.options.selectedIndex + 1) == numDays ) {
 				return 1;
			} else {
				return 4;
			}
		}
	}

	if ( Dt.options.selectedIndex + 2 < numDays ) {
		value = 0;
	} else {
		if ( Dt.options.selectedIndex + 1 > numDays ) {
			Dt.options.selectedIndex--;
			value = 3;
		} else if ( Dt.options.selectedIndex + 1 == numDays ) {
			//index is 31 or 30
			value = 2;
		} else {
			value = 4;
		}
	}
	return value;
}

//changes departure month when arrival month is changed
function amadChange(inM, inD, outM, outD) {
	var res = adjustDate(inM.options.selectedIndex, inD);
	if ( res != 0 ) {
		outD.options.selectedIndex = 0;
		if ( inM.options.selectedIndex == 11 ) {
			outM.options.selectedIndex = 0
		} else if( res == 4 ) {
			outM.options.selectedIndex=inM.options.selectedIndex + 1;
			outD.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;
}

//Set current dates on home page load
function loadDates(form) {
    var calendar = new Date();
    var calendar2 = new Date();
    var date;
    var month;
    var date2;
    var month2;

    //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();

    form.arrivalMonth.value=month;
    form.arrivalDay.value=date;
    form.departureMonth.value=month2;
    form.departureDay.value=date2;
}

function setVisible(select){
    if(select.value != 0){
        toggleDiv('childrenOptions', 1);
        //childrenOptions.style.visibility="visible";
        //childrenOptions.style.display="block";

        toggleDiv('message1', 1);
        //message1.style.visibility="visible";
        //message1.style.display="block";
        toggleDiv('message2', 1);
        //message2.style.visibility="visible";
        //message2.style.display="block";
        if(select.value <= 5){
            hideAllChildren();
            switch (select.value) {
                case '5': toggleDiv('c5', 1);
                case '4': toggleDiv('c4', 1);
                case '3': toggleDiv('c3', 1);
                case '2': toggleDiv('c2', 1);
                case '1': toggleDiv('c1', 1);
                          break;
                default: hideAll(); break;
            }
        }
    } else {
        hideAll();
    }
    resetForm(select);
}

function hideAll() {
    toggleDiv('childrenOptions', 0);
    toggleDiv('message1', 0);
    toggleDiv('message2', 0);
    hideAllChildren();
}

function hideAllChildren() {
    toggleDiv('c5', 0);
    toggleDiv('c4', 0);
    toggleDiv('c3', 0);
    toggleDiv('c2', 0);
    toggleDiv('c1', 0);
}

function resetForm(select){
    //document.frmPackages.numbChild.selectedIndex = 1;
    for(a = 5; a > select.value; --a){
        eval("document.frmPackages.Child"+a+"Age.selectedIndex=0");
    }
    //document.frmPackages.Child1Age.selectedIndex=0;
}

function toggleDiv(divID, state){
    if(document.layers){ //netscape 4+

       document.layers[divID].visibility = state ? "show" : "hide";
       document.layers[divID].display = state ? "block" : "none";

    } else if(document.getElementById) { //netscape 6 internetExplorer 5+

        document.getElementById(divID).style.visibility = state ? "visible" : "hidden";
        document.getElementById(divID).style.display = state ? "block" : "none";

    } else {    //Internet Explorer 4

        document.all[divID].style.visibility = state ? "visible" : "hidden";
        document.all[divID].style.display = state ? "block" : "none";

    }
}

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.getYear();	 // 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.setYear((year));

	// VARIABLES FOR FORMATTING
	var TR_start = '<TR>';
	var TR_end = '</TR>';
	var highlight_start = '<TD WIDTH="30"><TABLE CELLSPACING=0 BORDER=1 BGCOLOR=DEDEFF 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:link{cursor: hand}a:active{cursor: hand}a:hover{cursor: hand}a:visited{cursor: hand}body{cursor: default}</style>";

    // NOTE:
    // Update the calendar.js reference below to reference where you
    // put the calendar.js file.

   // cal += '<SCRIPT SRC="calendar.js"></SCRIPT>';

    cal += '<TABLE BORDER="1" CELLSPACING="0" CELLPADDING="0" BORDERCOLOR="BBBBBB" width="100%" height="200"><TR><TD>';
	cal += '<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="2" width="100%">' + TR_start;
	cal += '<TD COLSPAN="' + DAYS_OF_WEEK + '" BGCOLOR="#EFEFEF"><CENTER><B>';
	cal += month_of_year[month]  + '   ' + year + '</B>' + 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 + ")' style='cursor:hand;font-weight:bold;background:#EFEFEF;width:22px;'>" + 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></TABLE><br>';
    cal += '<div align="center"><a href="javascript:" onClick="window.opener.loadCalendar(' + prevM + ');">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;&nbsp;';
	cal += '<a href="javascript:" onClick="window.opener.loadCalendar(' + nextM + ');">&gt;&gt;</a><br><br></div>';
	cal += '<div align="right"><a href="javascript:window.close();">close</a></div>';
	cal += '</body></html>';

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

var testWindow;
var formType;
var fName;

function openCalendar(formName,type) {
	formType=type;
	fName=formName;
	testWindow = window.open('','dates','width=360,height=300,resizable=1,status=1,menubar=0,location=0');
	loadCalendar(document.forms[fName].elements[formType+'Month'].selectedIndex);
}

function validate(form) {
	if (form.numberOfRooms.value == "9") {
		window.location = "http://reservations.maui-hotels.com/index.jsp?pageName=groups&cid=52979&locale=en_US";
		return false;
	}

	return submitGuestInfoForm(form);
}
