/* Suggest, departure / return city suggest */

function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "POST";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
  	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}






		var validateResponse;
		var poststr;
			
		function get(obj)
		{
			poststr = "travelFrom=" + encodeURI( document.getElementById("travelfrom_hidden").value ) +
				  "&travelTo=" + encodeURI( document.getElementById("travelto_hidden").value ) +
				  "&departdate=" + encodeURI( document.getElementById("departureDate").value ) +
				  "&returndate=" + encodeURI( document.getElementById("returnDate").value ) +
				  "&nbradults=" + encodeURI( document.getElementById("nbradults").value ) +
				  "&nbrchildren=" + encodeURI( document.getElementById("nbrchildren").value ) +
				  "&nbrinfants=" + encodeURI( document.getElementById("nbrinfants").value ) +
				  "&oneway=" + encodeURI( document.getElementById("oneway").value ) +
				  "&directflight=" + ((document.getElementById("directflight").checked==true)?1:0);
			
			var myConn = new XHConn();
			if (!myConn) { alert("XMLHTTP not available. Try a newer/better browser."); }
			
			// Open Ajax Connection
			myConn.connect("flightsearch_validate.php", "POST", poststr, fnWhenDone);

		}
		
		// Function to be called once Ajax request is complete
		function fnWhenDone (XMLHttpRequestObject)
		{
			
			validateResponse = XMLHttpRequestObject.responseText;
			
			
			// is a number (Not a Number == false)
			if(!isNaN(validateResponse))
			{
				// we are searching;
				showLoadingDiv(validateResponse);
				
				var myConn = new XHConn();
				myConn.connect("flightsearch_execute.php?id="+validateResponse, "POST", poststr, redirectDone);

			}
			else
			{
				// Echo error to user
				alert(unescape(validateResponse.replace(/\+/g, " ")));
			}
		}

		function redirectDone (XMLHttpRequestObject) {
			
			response = XMLHttpRequestObject.responseText;
			window.location = response;
		}

		function showLoadingDiv(search_id)
		{
			if (document.getElementById) 
			{
				(document.getElementById("progress_div")).style.visibility = "visible";	
				time_check = 0;
				var refreshId = setInterval(function() 
				{
					$.get('flightsearch_progress_bar.php?s='+search_id, update_progressbar);
					
					time_check = time_check + 500;
					if (time_check > 30000) { // Crawling is taking too long > 30 seconds, redirect user.
						window.location = "/flightsearch_result.php?id="+search_id;
					}
				}, 500);
			}
		}

		function update_progressbar(new_progress_data)
		{
			//document.getElementById('timeval').style.width = new_progress_data + '%';
			$("#timeval").animate({width:new_progress_data+"%"},250);
			document.getElementById('timevalt').innerHTML = new_progress_data + '%';
		}

		function XHConn()
		{
		  var xmlhttp, bComplete = false;
		  try { xmlhttp = new XMLHttpRequest(); }
		  catch (e) { try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
		  catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
		  catch (e) { xmlhttp = false; }}}
		  if (!xmlhttp) return null;
		  this.connect = function(sURL, sMethod, sVars, fnDone)
		  {
		    if (!xmlhttp) return false;
		    bComplete = false;
		    sMethod = sMethod.toUpperCase();
		    try {
		      if (sMethod == "GET")
		      {
		        xmlhttp.open(sMethod, sURL+"?"+sVars, true);
		        sVars = "";
		      }
		      else
		      {
		        xmlhttp.open(sMethod, sURL, true);
		        xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
		        xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		      }
		      xmlhttp.onreadystatechange = function(){
		        if (xmlhttp.readyState == 4 && !bComplete)
		        {
		          bComplete = true;
		          fnDone(xmlhttp);
		        }};
		      xmlhttp.send(sVars);
		    }
		    catch(z) { return false; }
		    return true;
		  };
		  return this;
		}


	function setOneWay(setting)
	{
		document.getElementById("oneway").value = setting;

		if(document.getElementById("oneway").value == 1)
		{
			document.getElementById("returnDate").disabled=true
		}
		else
		{
			document.getElementById("returnDate").disabled=false
		}

	}
	

	function bookmarksite(title, url)
	{ 
		if (document.all) 
			window.external.AddFavorite(url, title); 
		else if (window.sidebar) 
			window.sidebar.addPanel(title, url, "")
	}