//start new script code

// Checks if browser is Netscape 2.0x since the options array properties don't work with Netscape 2.0x
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;
}


function getYear(mthIdx){
	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
	}
	return theYear;
}

//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.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 + 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;
}

function changeOptionDate(inM,inD)
{
	// Dynamically add/remove dates according to the selected month
	var o_days = new Array(31, ((getYear(inM.options.selectedIndex) % 4 == 0 && getYear(inM.options.selectedIndex) % 100 != 0) || getYear(inM.options.selectedIndex) % 400 == 0 ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); // Set the days for each month

	if (inD.options.length >o_days[inM.options.selectedIndex])
	{
		for (var i = 31; i >= o_days[inM.options.selectedIndex]; i--)
		{
			inD.options[i] = null;
		}
	}
	if (inD.options.length <o_days[inM.options.selectedIndex])
	{
		for (var i = inD.options.length+1; i <=o_days[inM.options.selectedIndex]; i++)
		{
			inD.options[i-1] = new Option(i,i);
		}
	}
	
}
						  

//changes departure month when arrival month is changed
function amadChange(inM,inD,outM,outD)
{

if (!isBrowserSupp())
    {
    return;
    }

changeOptionDate(inM,inD);
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;
           }
    }
else
    {
    outM.options.selectedIndex = inM.options.selectedIndex;
    outD.options.selectedIndex = inD.options.selectedIndex+1;
    }
return;
}

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

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

function newWindow(url)
{
urlWindow = window.open(url, 'AirportCodes', 'width=450,height=350');
urlWindow.focus;
}

function setRadioBtn (theForm,radioObjName,valOfBtnToSet) {
for (var i = 0; i < theForm[radioObjName].length; i++) {
if (theForm[radioObjName][i].value == valOfBtnToSet)
theForm[radioObjName][i].checked=true;
}
}

function reload_page()
{
	var newWin = window.location;
	var url = newWin.search;
	var queryString = url.substring(url.indexOf('?')+1);
	var params = queryString.split('&');
	var newURL;

	//populate the array with keys & values
	for (var i=0; i<params.length; i++) {
		var key = params[i].substring(0,params[i].indexOf('='));
		var value = params[i].substring(params[i].indexOf('=')+1);
		if ((key == 'clear_cache' && (value == 'Y' || value == 'N' || value == ''))) {
			var myBoolean = 1;
			}
		}
	
	if (myBoolean != 1){ 
		newURL = newWin.href + "&clear_cache=Y";
	} else {
		newURL = newWin.href;
	}
	newWin.replace(newURL);
}

//new power search javascript code

var currentPaneStyle = 0;
var currentTab = 0;

function tabstrip()
{
   this.tabs = new Array();
   this.add = addTab;
   this.write = writeTabstrip;
}

function tab(caption,content,tabNumber)
{
  this.setId = setId;
  this.caption = caption;
  this.content = content;
  this.write = writeTab;
  this.writeContent = writePane;
}

function addTab(tab)
{
  tab.setId("tab" + this.tabs.length);
  this.tabs[this.tabs.length] = tab;
}

function setId(id)
{
  this.id = id;
}


function writePane()
{
  document.write("<div class='pane' style='block' id='pn_" + this.id + "'>");
  document.write("<table width='100%' border='0' cellpadding='0' cellspacing='0'>");
  document.write("<tr class='mainTable'>");
  document.write("<td background='assets/images/tbl_main_leftM.gif' width='8'><img src='assets/images/null.gif' width='8' height='6' border='0'></td>");
  document.write("<td width='100%'><img src='assets/images/null.gif' width='1' height='6' border='0'></td>");
  document.write("<td background='assets/images/tbl_main_rightM_in.gif'  width='5'><img src='assets/images/null.gif' width='5' height='6' border='0'></td>");
  document.write("<td background='assets/images/tbl_main_rightM_out.gif' class='unselected' width='2'><img src='assets/images/null.gif' width='2' height='6' border='0'></td>");
  document.write("</tr><tr class='mainTable'>");
  document.write("<td background='assets/images/tbl_main_leftM.gif' width='8'><img src='assets/images/null.gif' width='8' height='1' border='0'></td>");
  document.write("<td width='473' class='innerTableLine'>");
  document.write("<table width='100%' border='0' cellspacing='1' cellpadding='1'>");
  document.write("<tr class='innerTableBg'>");
  document.write("<td class='innerTable'>");
  document.write("<table width='100%' border='0' cellspacing='0' cellpadding='3'>");
  document.write("<tr>");
  // HERE IS WHERE THE BOX WITH ALL THE FORMS ARE GENERATED //
  document.write("<td width='100%'>" + this.content + "</td>");
    // HERE IS WHERE THE BOX WITH ALL THE FORMS ARE GENERATED //
  document.write("<td><img src='assets/images/null.gif' width='8' height='1' border='0'></td>");
  document.write("</tr>");
  document.write("</table>");
  document.write("</td>");
  document.write("</tr>");
  document.write("</table>");
  document.write("</td>");
  document.write("<td background='assets/images/tbl_main_rightM_in.gif' width='5'><img src='assets/images/null.gif' width='5' height='1' border='0'></td>");
  document.write("<td background='assets/images/tbl_main_rightM_out.gif' class='unselected' width='2'><img src='assets/images/null.gif' width='2' height='1' border='0'></td>");
  document.write("</tr>");
  document.write("<tr class='mainTable'>");
  document.write("<td background='assets/images/tbl_main_bt_left.gif' width='8'><img src='assets/images/null.gif' width='8' height='1' border='0'></td>");
  document.write("<td width='100%'><img src='assets/images/null.gif' width='1' height='1' border='0'></td>");
  document.write("<td width='5'><img src='assets/images/null.gif' width='5' height='1' border='0'></td>");
  document.write("<td background='assets/images/tbl_main_rightM_out.gif' class='unselected' width='2'><img src='assets/images/null.gif' width='2' height='1' border='0'></td>");
  document.write("</tr>");
  document.write("<tr class='mainTable'>");
  document.write("<td width='8'><img src='assets/images/tbl_main_bt_left.gif' width='8' height='6' border='0'></td>");
  document.write("<td width='100%' background='assets/images/tbl_main_btM.gif'><img src='assets/images/null.gif' height='6' border='0'></td>");
  document.write("<td width='5'><img src='assets/images/tbl_main_bt_right_in.gif' width='5' height='6' border='0'></td>");
  document.write("<td width='2'><img src='assets/images/tbl_main_bt_right_out.gif' width='2' height='6' border='0'></td>");
  document.write("</tr>");
  document.write("</table>");
  document.write("</div>");
}

function writeTab()
{
   document.write("<td class='tabs' align='center'><div class='tabs' id='" + this.id + "' onclick='showPane(this)'>" + this.caption + "</div></td>");
}
  // HERE IS WHERE THE TABS GET CALLED //
function writeTabstrip()
{
  document.write("<table class='tabs' border='0' cellspacing='0' cellpadding='0'><tr>");
  for(var i = 0; i < this.tabs.length; i++)
  {
    this.tabs[i].write();
  }
  document.write("</tr></table>");
  
  for(var k = 0; k < this.tabs.length; k++)
  {
    this.tabs[k].writeContent();
  }
  initiate();
}

function ShowHide(obj, visibility) {
	if(document.getElementById){
		divs = document.getElementsByTagName("div");
    		divs[obj].style.visibility = visibility;
	}
}