function amadeusInfantsAjax() {
	var adults = document.getElementById('ADTPAX').value;
	var options = "\n\r";
	options += '<select name="InfantPAX" id="InfantPAX" class="amadeusSelectMenuSmall" style="margin-left: 15px;">';
	for(i=0; i<(parseInt(adults)+1); i++)
	{
		options += '<option value="'+i+'">'+i+'</option>'+"\n\r";
	}
	options += '</select>';
	//
	document.getElementById('selectInf').innerHTML = options;
}

function amadeusChildrenAjax(max) {
	var adults = document.getElementById('ADTPAX').value;
	var options = "\n\r";
	options += '<select name="CHDPAX" id="CHDPAX" class="amadeusSelectMenuSmall">';
	if(adults > 0) {
		for(i=0; i<max; i++)
		{
			options += '<option value="'+i+'">'+i+'</option>'+"\n\r";
		}
	} else {
		options += '<option value="0">0</option>'+"\n\r";
	}
	options += '</select>';
	//
	document.getElementById('selectCh').innerHTML = options;
}

function amadeusSubmit() {
	var adults = document.getElementById('ADTPAX').value;
	var childred = document.getElementById('CHDPAX').value;
	var infants = document.getElementById('InfantPAX').value;
	add_elements = "\n\r";
	num = 1;
	if(parseInt(adults) < parseInt(infants)) {
		return false;
	}
	
	for(i=1; i<(parseInt(adults)+1); i++)
	{
		add_elements += '<input type="hidden" name="TRAVELLER_TYPE_'+num+'" value="ADT" />'+"\n\r";
		num++;
	}
	//
	for(i=1; i<(parseInt(childred)+1); i++)
	{
		add_elements += '<input type="hidden" name="TRAVELLER_TYPE_'+num+'" value="CHD" />'+"\n\r";
		num++;
	}
	//
	for(i=1; i<(parseInt(infants)+1); i++)
	{
		add_elements += '<input type="hidden" name="HAS_INFANT_'+i+'" value="TRUE" />'+"\n\r";
		num++;
	}
	//
	document.getElementById('hiddenData').innerHTML = add_elements;
	//
	if((document.getElementById("tmp_E_DATA").value == document.getElementById("tmp_B_DATA").value) && (document.getElementById('TRIP_TYPE_ROUNDTRIP').checked == true)) {
		document.getElementById('B_ANY_TIME_1').value = true;
		document.getElementById('B_ANY_TIME_2').value = true;
		document.getElementById("TRIP_TYPE_ROUNDTRIP").value = "R";
	}
	else {
		document.getElementById('B_ANY_TIME_1').value = true;
		document.getElementById('B_ANY_TIME_2').value = true;
		document.getElementById("TRIP_TYPE_ROUNDTRIP").value = "R";
	}
}

function DrawTable(txt_flight, txt_depD, txt_depT, txt_depA, txt_arrA, txt_PAX) { 
	var FN  = document.main.Flights.value;
	var sTable = ""; 
	sTable += '<table  width="100%" border="0" cellspacing="0" cellpadding="0" class="dinamicflights">'; 
	sTable += "<tr>\n\r";
	sTable += "<td align='left' valign='top' id='txt_flight'>"+txt_flight+"</td>\n\r"; 
	sTable += "<td align='left' valign='top' id='txt_depD'>"+txt_depD+"</td>\n\r"; 
	sTable += "<td align='left' valign='top' id='txt_depT'>"+txt_depT+"</td>\n\r"; 
	sTable += "<td align='left' valign='top' id='txt_depA'>"+txt_depA+"</td>\n\r";  
	sTable += "<td align='left' valign='top' id='txt_arrA'>"+txt_arrA+"</td>\n\r";
	sTable += "<td align='left' valign='top' id='txt_PAX'>"+txt_PAX+"</td>\n\r";  
	sTable += "</tr>\n\r\n\r"; 
	for(i = 0; i < FN; i++) 
	   { 
	sTable += "<tr>\n\r"; 
	sTable += "<td align='left' valign='top'>"+(i+1)+"</td>\n\r"; 
	sTable += "<td align='left' valign='top'><input type='text' name='DepD"+(i+1)+"' size='12' class='inputTextSmall_110' /></td>\n\r"; 
	sTable += "<td align='left' valign='top'><input type='text' name='DepT"+(i+1)+"' size='10' class='inputTextSmall_110' /></td>\n\r"; 
	sTable += "<td align='left' valign='top'><input type='text' name='DepA"+(i+1)+"' size='16' class='inputTextSmall_110' /></td>\n\r"; 
	sTable += "<td align='left' valign='top'><input type='text' name='ArrA"+(i+1)+"' size='16' class='inputTextSmall_110' /></td>\n\r"; 
	sTable += "<td><input type='text' name='PAX"+(i+1)+"' size='6' class='inputTextSmall_55'' /></td>\n\r"; 
	sTable += "</tr>\n\r\n\r"; 
	   } 
	sTable += "</table></p>\n\r"; 
	document.getElementById('box').innerHTML=sTable; 
}  

function add() {
	var FN  = document.main.Flights.value; 
	if (FN  == 10) return false;
	FN++;
	document.main.Flights.value = FN;
	DrawTable(document.getElementById('txt_flight').innerHTML, 
	document.getElementById('txt_depD').innerHTML, 
	document.getElementById('txt_depT').innerHTML, 
	document.getElementById('txt_depA').innerHTML, 
	document.getElementById('txt_arrA').innerHTML, 
	document.getElementById('txt_PAX').innerHTML);
}

function del() {
	var FN  = document.main.Flights.value;
	if (FN  == 2) return false;
	FN--;
	document.main.Flights.value = FN;
	DrawTable(document.getElementById('txt_flight').innerHTML, 
	document.getElementById('txt_depD').innerHTML, 
	document.getElementById('txt_depT').innerHTML, 
	document.getElementById('txt_depA').innerHTML, 
	document.getElementById('txt_arrA').innerHTML, 
	document.getElementById('txt_PAX').innerHTML);
}

function check() {
	var FN = document.main.Flights.value;
	for(i = 0; i < FN; i++)   
		{ 
			var val1 = "DepD" + (i+1);
			var val2 = "DepT" + (i+1);
			var val3 = "DepA" + (i+1);
			var val4 = "ArrA" + (i+1);
			var val1 = document.main[val1].value;
			var val2 = document.main[val2].value;
			var val3 = document.main[val3].value;
			var val4 = document.main[val4].value;
			if (val1=="" || val2=="" || val3=="" || val4=="") {
				alert("Fields marked with (*) are mandatory"); 
			return false;  
			} 
		}
	var AC = document.main.aircraft.selectedIndex; 
	switch(AC)
	{
	case 0:
	  var PN = 148;
	  break    
	case 1:
	  var PN = 131;
	  break
	case 2:
	  var PN = 110;
	  break
	case 3:
	  var PN = 90;
	  break
	case 4:
	  var PN = 46;
	  break
	}
	for(i = 0; i < FN; i++)   { 
	var num = "PAX" + (i+1);
	var AC = document.main[num].value;
	if (AC > PN) { alert("PAX field value is too big for this type of plane"); 
	return false;  } 
	}
	var FN = document.main.first.value;
	var LN = document.main.last.value;
	var TN = document.main.phone.value;
	if (FN=="" || LN=="" || TN=="") {alert("Fields marked with (*) are mandatory"); 
	return false;}
	var emailStr = document.main.mail.value;
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		alert("Email address seems incorrect");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
		alert("Ths username contains invalid characters.");
		return false;
		   }
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
		alert("Ths domain name contains invalid characters.");
		return false;
	   }
	}
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!");
				return false;
			   }
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
				alert("The domain name does not seem to be valid.");
				return false;
		   }
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}
	if (len<2) {
		alert("This address is missing a hostname!");
		return false;
	}
	return true;
}

function checkFlightNum(err_no_entry, err_format)
{
	var number=new RegExp("^FB[0-9]{1,4}$", 'i');
	string = document.getElementById('flight_num').value;
	match = string.match(number);

	if(document.getElementById('flight_num').value == '')
	{ 
		alert(err_no_entry); 
	} 
	else if(match == null) 
	{ 
		alert(err_format);
	}
	else 
	{ 
		document.forms['search_by_num'].submit(); 
	}
}

function clearTxt(id, toClean)
{
	var txtToClean = document.getElementById(id).value;
	
	if(txtToClean == toClean)
	{
		document.getElementById(id).value = '';
	}
}

function returnTxt(id, returnTxt)
{
	var txtToClean = document.getElementById(id).value;
	
	if(txtToClean == '')
	{
		document.getElementById(id).value = returnTxt;
	}
}