function showCommercial(type,mfr){
	var value = document.thisForm.lstCommercial.options[document.thisForm.lstCommercial.options.selectedIndex].value;
	//alert(value);
	if(value == "" || value == "0"){
		alert("Please select a Commercial Manufacturer!");
		document.thisForm.lstCommercial.focus();
		return;
	}
	document.thisForm.action = "../FAA/ListModels.asp?type=" + type + "&manufacturer=" + mfr;
	document.thisForm.submit();
}

function showRegional(type,mfr){
	var value = document.thisForm.lstRegional.options[document.thisForm.lstRegional.options.selectedIndex].value;
	if(value == "" || value == "0"){
		alert("Please select a Regional Manufacturer!");
		document.thisForm.lstRegional.focus();
		return;
	}
	document.thisForm.action = "../FAA/ListModels.asp?type=" + type + "&manufacturer=" + mfr;
	document.thisForm.submit();
}

function showCorporate(type,mfr){
	var value = document.thisForm.lstCorporate.options[document.thisForm.lstCorporate.options.selectedIndex].value;
	if(value == "" || value == "0"){
		alert("Please select a Corporate Manufacturer!");
		document.thisForm.lstCorporate.focus();
		return;
	}
	document.thisForm.action = "../FAA/ListModels.asp?type=" + type + "&manufacturer=" + mfr;
	document.thisForm.submit();
}

function validateListing(){

	
	if(trim(document.frm.AircraftModel.value) == "") {
		alert("You must indicate the Aircraft Model!");
		document.frm.AircraftModel.focus();
		return false;
	}

	if(trim(document.frm.SerialNumber.value) == "") {
		alert("You must provide a Serial Number!");
		document.frm.SerialNumber.focus();
		return false;
	}

	if (!IsNumeric(trim(document.frm.MTOW.value))) {
		alert('Please enter only numbers in the MTOW field');
		document.frm.MTOW.focus(); 
		return false; 
	} 

	if (!IsNumeric(trim(document.frm.MLW.value))) {
		alert('Please enter only numbers in the MLW field');
		document.frm.MLW.focus(); 
		return false; 
	} 

	if (!IsNumeric(trim(document.frm.TotalHours.value))) {
		alert('Please enter only numbers in the Total Hours field');
		document.frm.TotalHours.focus(); 
		return false; 
	} 

	if (!IsNumeric(trim(document.frm.TotalCycles.value))) {
		alert('Please enter only numbers in the Total Cycles field');
		document.frm.TotalCycles.focus(); 
		return false; 
	} 
	
	hcDate=parseDate(trim(document.frm.DHCycles.value));
	hoursValue=trim(document.frm.TotalHours.value);
	cyclesValue = trim(document.frm.TotalCycles.value);
	if ((hoursValue != 0 || cyclesValue != 0)   &&  (hoursValue.length > 0 || cyclesValue.length > 0)) {
		if (hcDate==null) {
			alert('Please enter a valid date in MM/DD/YYYY format');
			document.frm.DHCycles.focus(); 
			return false;
		}
		else {
			document.frm.DHCycles.value=formatDate(hcDate,'MM/dd/yyyy');
		} 
	}

	//if(trim(document.frm.SaleLease.value) == "") {
	//	alert("You must indicate whether this is a Sale or Lease!");
	//	document.frm.SaleLease.focus();
	//	return false;
	//}
	
	if(  
	    (trim(document.frm.contactphone1.value) != ""   ||
		trim(document.frm.contactemail1.value) != "" ||
		trim(document.frm.contactfax1.value) != "" ) &&
		trim(document.frm.contactname1.value) == "" ){
			alert("Please enter contact name - 1");
			document.frm.contactname1.focus();
			return false;
	}

	if(  
	    (trim(document.frm.contactphone2.value) != ""   ||
		trim(document.frm.contactemail2.value) != "" ||
		trim(document.frm.contactfax2.value) != "" ) &&
		trim(document.frm.contactname2.value) == "" ){
			alert("Please enter contact name - 2");
			document.frm.contactname2.focus();
			return false;
	}


	
	//alert('hi');
	//return false;

	document.frm.action = "../LYA/LYA_Add_Listing.asp";
	//document.frm.submit();
}

function IsNumeric(sText) {
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
 
   for (i=0; i<sText.length && IsNumber==true; i++) { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) {
         IsNumber = false;
      }
   }
   return IsNumber;
}

function validateNewsletterSubscription() {

	if(trim(document.frm.txtName.value) == "") {
		alert("Please enter your name");
		document.frm.txtName.focus();
		return false;
	}


	if(trim(document.frm.txtEmail.value) == "") {
		alert("You must provide your e-mail address");
		document.frm.txtEmail.focus();
		return false;
	}

	// Email Validation
	var email = document.frm.txtEmail.value;
	str = email ; 
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (str.indexOf(at)==-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}	
	if (str.indexOf(" ")!=-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	// End Email Validation	



}


function validateChangePwd(){
	if(trim(document.frm.txtUsername.value) == "") {
		alert("You must provide your user name");
		document.frm.txtUsername.focus();
		return false;
	}
	if(trim(document.frm.txtOldPwd.value) == "") {
		alert("You must provide your current password");
		document.frm.txtOldPwd.focus();
		return false;
	}
	if(trim(document.frm.txtNewPwd.value) == "") {
		alert("You must provide your new password");
		document.frm.txtNewPwd.focus();
		return false;
	}

	if(document.frm.txtNewPwd.value.length < 6 || document.frm.txtNewPwd.value.length > 15) {
		alert("Invalid password. New password should be between 6 and 15 characters long");
		document.frm.txtNewPwd.focus();
		return false;
	}

	document.frm.action = "../LYA/LYA_Change_Pwd.asp";
}

function validateRegistration(){
	if(trim(document.frm.txtName.value) == "") {
		alert("You must provide your name");
		document.frm.txtName.focus();
		return false;
	}
	if(trim(document.frm.txtCompany.value) == "") {
		alert("You must provide your company or organizations name");
		document.frm.txtCompany.focus();
		return false;
	}
	if(trim(document.frm.txtPhone.value) == "") {
		alert("You must provide your work phone");
		document.frm.txtPhone.focus();
		return false;
	}
	if(trim(document.frm.txtFax.value) == "") {
		alert("You must provide your fax");
		document.frm.txtFax.focus();
		return false;
	}
	if(trim(document.frm.txtEmail.value) == "") {
		alert("You must provide your e-mail address");
		document.frm.txtEmail.focus();
		return false;
	}

	// Email Validation
	var email = document.frm.txtEmail.value;
	str = email ; 
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (str.indexOf(at)==-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}	
	if (str.indexOf(" ")!=-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	// End Email Validation	

	// Login Validation	
	var loginPwd = document.frm.txtPwd.value ;

	if(loginPwd == "") {
		alert("Plese enter your login password");
		document.frm.txtPwd.focus();
		return false;
	}
	if(loginPwd.length < 6 || loginPwd.length > 15) {
		alert("Please enter a Password between 6 and 15 characters long");
		document.frm.txtPwd.focus();
		return false;
	}
	// End Login Validation	
	
	document.frm.action = "../LYA/LYA_Register.asp";
	//document.frm.submit();
}

function validateForgotPwd(){
	if(trim(document.frm.txtEmail.value) == "") {
		alert("You must provide your e-mail address");
		document.frm.txtEmail.focus();
		return false;
	}

	// Email Validation
	var email = document.frm.txtEmail.value;
	str = email ; 
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (str.indexOf(at)==-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}	
	if (str.indexOf(" ")!=-1){
		alert("Invalid E-mail address")
		document.frm.txtEmail.focus();
		return false
	}
	// End Email Validation	

	document.frm.action = "../LYA/LYA_Forgot_Pwd.asp";
	//document.frm.submit();
}

function loginClicked() {
	//alert('UN: ' + document.loginfrm.txtUsername.value);
	//alert('PWD: ' + document.loginfrm.txtPwd.value);
	if(trim(document.loginfrm.txtUsername.value)=='' || trim(document.loginfrm.txtPwd.value)=='') {
		alert('Please Enter Username and Password');
		//return false;
	}
	else
	{
		document.loginfrm.action = "../MyAccount/My_Account.asp";
		document.loginfrm.submit();
	}
}

function changeAddress() {
	document.frm.actionType.value = "changeaddress";
	document.frm.action = "../MyAccount/My_Account.jsp";
	alert('b4 submit' + document.frm.actionType.value);
	//document.frm.submit();
}

function updateAddress(){
	document.frm.type.value = "updateaddress";
	document.frm.action = "/profiles/servlet/Login";
	document.frm.submit();
}

function populateUsername()
{
	var email = document.frm.txtEmail.value;
	document.frm.txtUsername.value = email ;
}

function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}

var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
var DAY_NAMES=new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat');
function LZ(x) {return(x<0||x>9?"":"0")+x}

// ------------------------------------------------------------------
// isDate ( date_string, format_string )
// Returns true if date string matches format of format string and
// is a valid date. Else returns false.
// It is recommended that you trim whitespace around the value before
// passing it to this function, as whitespace is NOT ignored!
// ------------------------------------------------------------------
function IsDate(val,format) {
	var date=getDateFromFormat(val,format);
	alert('date = ' & date); 
	if (date==0) { return false; }
	return true;
}

// ------------------------------------------------------------------
// formatDate (date_object, format)
// Returns a date in the output format specified.
// The format string uses the same abbreviations as in getDateFromFormat()
// ------------------------------------------------------------------
function formatDate(date,format) {
	format=format+"";
	var result="";
	var i_format=0;
	var c="";
	var token="";
	var y=date.getYear()+"";
	var M=date.getMonth()+1;
	var d=date.getDate();
	var E=date.getDay();
	var H=date.getHours();
	var m=date.getMinutes();
	var s=date.getSeconds();
	var yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,H,KK,K,kk,k;
	// Convert real date parts into formatted versions
	var value=new Object();
	if (y.length < 4) {y=""+(y-0+1900);}
	value["y"]=""+y;
	value["yyyy"]=y;
	value["yy"]=y.substring(2,4);
	value["M"]=M;
	value["MM"]=LZ(M);
	value["MMM"]=MONTH_NAMES[M-1];
	value["NNN"]=MONTH_NAMES[M+11];
	value["d"]=d;
	value["dd"]=LZ(d);
	value["E"]=DAY_NAMES[E+7];
	value["EE"]=DAY_NAMES[E];
	value["H"]=H;
	value["HH"]=LZ(H);
	if (H==0){value["h"]=12;}
	else if (H>12){value["h"]=H-12;}
	else {value["h"]=H;}
	value["hh"]=LZ(value["h"]);
	if (H>11){value["K"]=H-12;} else {value["K"]=H;}
	value["k"]=H+1;
	value["KK"]=LZ(value["K"]);
	value["kk"]=LZ(value["k"]);
	if (H > 11) { value["a"]="PM"; }
	else { value["a"]="AM"; }
	value["m"]=m;
	value["mm"]=LZ(m);
	value["s"]=s;
	value["ss"]=LZ(s);
	while (i_format < format.length) {
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
		}
		if (value[token] != null) { result=result + value[token]; }
		else { result=result + token; }
	}
	return result;
}
	
// ------------------------------------------------------------------
// Utility functions for parsing in getDateFromFormat()
// ------------------------------------------------------------------
function _isInteger(val) {
	var digits="1234567890";
	for (var i=0; i < val.length; i++) {
		if (digits.indexOf(val.charAt(i))==-1) { return false; }
	}
	return true;
}

function _getInt(str,i,minlength,maxlength) {
	for (var x=maxlength; x>=minlength; x--) {
		var token=str.substring(i,i+x);
		if (token.length < minlength) { return null; }
		if (_isInteger(token)) { return token; }
	}
	return null;
}
	
// ------------------------------------------------------------------
// getDateFromFormat( date_string , format_string )
//
// This function takes a date string and a format string. It matches
// If the date string matches the format string, it returns the 
// getTime() of the date. If it does not match, it returns 0.
// ------------------------------------------------------------------
function getDateFromFormat(val,format) {
	val=val+"";
	format=format+"";
	var i_val=0;
	var i_format=0;
	var c="";
	var token="";
	var token2="";
	var x,y;
	var now=new Date();
	var year=now.getYear();
	var month=now.getMonth()+1;
	var date=1;
	var hh=now.getHours();
	var mm=now.getMinutes();
	var ss=now.getSeconds();
	var ampm="";
	
	while (i_format < format.length) {
		// Get next token from format string
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
		}
		// Extract contents of value based on format token
		if (token=="yyyy" || token=="yy" || token=="y") {
			if (token=="yyyy") { x=4;y=4; }
			if (token=="yy")   { x=2;y=2; }
			if (token=="y")    { x=2;y=4; }
			year=_getInt(val,i_val,x,y);
			if (year==null) { return 0; }
			i_val += year.length;
			if (year.length==2) {
				if (year > 20) { year=1900+(year-0); }
				else { year=2000+(year-0); }
			}
		}
		else if (token=="MMM"||token=="NNN"){
			month=0;
			for (var i=0; i<MONTH_NAMES.length; i++) {
				var month_name=MONTH_NAMES[i];
				if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
					if (token=="MMM"||(token=="NNN"&&i>11)) {
						month=i+1;
						if (month>12) { month -= 12; }
						i_val += month_name.length;
						break;
					}
				}
			}
			if ((month < 1)||(month>12)){return 0;}
		}
		else if (token=="EE"||token=="E"){
			for (var i=0; i<DAY_NAMES.length; i++) {
				var day_name=DAY_NAMES[i];
				if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
					i_val += day_name.length;
					break;
				}
			}
		}
		else if (token=="MM"||token=="M") {
			month=_getInt(val,i_val,token.length,2);
			if(month==null||(month<1)||(month>12)){return 0;}
			i_val+=month.length;}
		else if (token=="dd"||token=="d") {
			date=_getInt(val,i_val,token.length,2);
			if(date==null||(date<1)||(date>31)){return 0;}
			i_val+=date.length;}
		else if (token=="hh"||token=="h") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>12)){return 0;}
			i_val+=hh.length;}
		else if (token=="HH"||token=="H") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>23)){return 0;}
			i_val+=hh.length;}
		else if (token=="KK"||token=="K") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>11)){return 0;}
			i_val+=hh.length;}
		else if (token=="kk"||token=="k") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>24)){return 0;}
			i_val+=hh.length;hh--;}
		else if (token=="mm"||token=="m") {
			mm=_getInt(val,i_val,token.length,2);
			if(mm==null||(mm<0)||(mm>59)){return 0;}
			i_val+=mm.length;}
		else if (token=="ss"||token=="s") {
			ss=_getInt(val,i_val,token.length,2);
			if(ss==null||(ss<0)||(ss>59)){return 0;}
			i_val+=ss.length;}
		else if (token=="a") {
			if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="AM";}
			else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="PM";}
			else {return 0;}
			i_val+=2;}
		else {
			if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
			else {i_val+=token.length;}
		}
	}
	// If there are any trailing characters left in the value, it doesn't match
	if (i_val != val.length) { return 0; }
	// Is date valid for month?
	if (month==2) {
		// Check for leap year
		if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
			if (date > 29){ return 0; }
		}
		else { if (date > 28) { return 0; } }
	}
	if ((month==4)||(month==6)||(month==9)||(month==11)) {
		if (date > 30) { return 0; }
	}
	// Correct hours value
	if (hh<12 && ampm=="PM") { hh=hh-0+12; }
	else if (hh>11 && ampm=="AM") { hh-=12; }
	var newdate=new Date(year,month-1,date,hh,mm,ss);
	return newdate.getTime();
}

// ------------------------------------------------------------------
// parseDate( date_string [, prefer_euro_format] )
//
// This function takes a date string and tries to match it to a
// number of possible date formats to get the value. It will try to
// match against the following international formats, in this order:
// y-M-d   MMM d, y   MMM d,y   y-MMM-d   d-MMM-y  MMM d
// M/d/y   M-d-y      M.d.y     MMM-d     M/d      M-d
// d/M/y   d-M-y      d.M.y     d-MMM     d/M      d-M
// A second argument may be passed to instruct the method to search
// for formats like d/M/y (european format) before M/d/y (American).
// Returns a Date object or null if no patterns match.
// ------------------------------------------------------------------
function parseDate(val) {
	var preferEuro=(arguments.length==2)?arguments[1]:false;
	generalFormats=new Array('y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d');
	monthFirst=new Array('M/d/y','M-d-y','M.d.y','MMM-d','M/d','M-d');
	dateFirst =new Array('d/M/y','d-M-y','d.M.y','d-MMM','d/M','d-M');
	var checkList=new Array('generalFormats',preferEuro?'dateFirst':'monthFirst',preferEuro?'monthFirst':'dateFirst');
	var d=null;
	for (var i=0; i<checkList.length; i++) {
		var l=window[checkList[i]];
		for (var j=0; j<l.length; j++) {
			d=getDateFromFormat(val,l[j]);
			if (d!=0) { return new Date(d); }
		}
	}
	return null;
}