var isIE = false;
var req;
var TempDiv;
var TempIfr;
var TempFieldname;
var TempHiddenfieldname;
var full = false;
var search_letter = "";

function disableEnterKey(e)
{
     var key;

     if(window.event)
          key = window.event.keyCode;     //IE
     else
          key = e.which;     //firefox

     if(key == 13)
          return false;
     else
          return true;
}

function init(startDiv, startIfr, zielDiv, zielIfr)
	{		
	aus(startDiv, startIfr);	
	document.getElementById(startDiv).setAttribute("autocomplete","off");	
	aus(zielDiv, zielIfr);
	document.getElementById(zielDiv).setAttribute("autocomplete","off");
	}
	
function aus(what, iFR)
	{
	document.getElementById(what).style.display = "none";				
	if(isIE == true)
		{
		document.getElementById(iFR).style.display = "none";	
		var DivRef 				= document.getElementById(what);
		var IfrRef 				= document.getElementById(iFR);
		IfrRef.style.width 		= DivRef.offsetWidth;
		IfrRef.style.height 	=  DivRef.offsetHeight;	
		IfrRef.style.top 		= DivRef.style.top;
		IfrRef.style.left 		= DivRef.style.left;
		IfrRef.style.zIndex 	= DivRef.style.zIndex - 1;
		IfrRef.style.display 	= DivRef.style.display;
		}
	}
	
function an(what, iFR)
	{   
	document.getElementById(what).style.display = "";	
	if(isIE == true)
		{
		var DivRef 				= document.getElementById(what);
		var IfrRef 				= document.getElementById(iFR);	
		DivRef.style.display 	= "block";
		IfrRef.style.width 		= DivRef.offsetWidth;
		TEMPheight				= DivRef.offsetHeight - 3;
		IfrRef.style.height 	= TEMPheight;			
		IfrRef.style.top 		= DivRef.style.top;
		IfrRef.style.left 		= DivRef.style.left;
		IfrRef.style.zIndex 	= DivRef.style.zIndex - 1;
		IfrRef.style.display 	= "block";
		}
	}

function div_display(where, what)
	{
	document.getElementById(where).innerHTML = what;	
	if(isIE == true)
		{
		var DivRef 				= document.getElementById(TempDiv);
   		var IfrRef 				= document.getElementById(TempIfr);	
		DivRef.style.display 	= "block";
		IfrRef.style.width 		= DivRef.offsetWidth;
		TEMPheight				= DivRef.offsetHeight - 3;
		IfrRef.style.height 	= TEMPheight;			
		IfrRef.style.top 		= DivRef.style.top;
		IfrRef.style.left 		= DivRef.style.left;
		IfrRef.style.zIndex 	= DivRef.style.zIndex - 1;
		}
	}


function hotel_code(letter, aktDiv, aktIfr, fieldname, hiddenfieldname) 
{
	TempDiv 				= aktDiv;
	TempIfr 				= aktIfr;
	TempFieldname 			= fieldname;
	TempHiddenfieldname 	= hiddenfieldname;
	if(letter.length == 3)
		{
		search_letter = letter;
		aus(aktDiv, aktIfr);
		letter = escape(letter);			
		initVar = true;	
		load3lc_hotel('inc/3lc/3lc_hotels.php?param=' + letter);	
		}
	
	if(letter.length > 3)	{
		//console.debug("greater 3 und letter="+letter);
		if(initVar == false)	{
			letter = escape(letter);
			initVar = true;	
			load3lc_hotel('inc/3lc/3lc_hotels.php?param=' + letter);	
		}
		var letter_comp = letter.toLowerCase();
		aus(aktDiv, aktIfr);
		if (req.readyState == 4) 
			{
			if (req.status == 200)
				{				
				  buildHotels(letter_comp, TempDiv, TempIfr, TempFieldname, TempHiddenfieldname);
				} 
			}
		}
	if(letter.length < 3)
		{     
		aus(aktDiv, aktIfr);
		initVar = false;	
		}
}



function airline_code(letter, aktDiv, aktIfr, fieldname, hiddenfieldname, multiairport) 
	{
	TempDiv 				= aktDiv;
	TempIfr 				= aktIfr;
	TempFieldname 			= fieldname;
	TempHiddenfieldname 	= hiddenfieldname;
	if(letter.length == 3)
		{
		aus(aktDiv, aktIfr);
		letter = escape(letter);			
		initVar = true;	
		load3lc('inc/3lc/3lc.php?param=' + letter + '&multi=' + multiairport);	
		}
	if(letter.length > 3)
		{
		if(initVar == false)
			{
			letter = escape(letter);
			initVar = true;	
			load3lc('inc/3lc/3lc.php?param=' + letter + '&multi=' + multiairport);	
			}
		var letter_comp = letter.toLowerCase();
		aus(aktDiv, aktIfr);
		if (req.readyState == 4) 
			{
			if (req.status == 200)
				{
				buildAirports(letter_comp, TempDiv, TempIfr, TempFieldname, TempHiddenfieldname);
				} 
			}
		}
	if(letter.length < 3)
		{     
		aus(aktDiv, aktIfr);
		initVar = false;	
		}
	}


function airline_short(letter, aktDiv, aktIfr, fieldname, hiddenfieldname, multiairport) 
	{
	TempDiv 				= aktDiv;
	TempIfr 				= aktIfr;
	TempFieldname 			= fieldname;
	TempHiddenfieldname 	= hiddenfieldname;
	if(letter.length == 3)
		{
		aus(aktDiv, aktIfr);
		letter = escape(letter);			
		initVar = true;	
		short_load3lc('inc/3lc/3lc.php?param=' + letter + '&multi=' + multiairport);	
		}
	}


function short_load3lc(evt)  
	{
    try 
		{
        short_loadXMLDoc(evt);
        }
    catch(e) 
		{
        var msg = (typeof e == "string") ? e : ((e.message) ? e.message : "Unknown Error");
        alert("Unable to get XML data:\n" + msg);
        return;
        }
	}
	
function short_loadXMLDoc(url) 
	{
    if (window.XMLHttpRequest) 
		{
        req = new XMLHttpRequest();
        req.onreadystatechange = short_processReqChange;
        req.open("GET", url, true);
        req.send(null);
		} 
		else if (window.ActiveXObject) 
		{
       	isIE = true;
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) 
			{
            req.onreadystatechange = short_processReqChange;
            req.open("GET", url, true);
            req.send();
        	}
    	}
	}
	
function short_processReqChange()
	{
    if (req.readyState == 4) 
		{
        if (req.status == 200)
			{
            short_buildAirports("", TempDiv, TempIfr, TempFieldname, TempHiddenfieldname);
         	} 
			else 
			{
            alert("There was a problem retrieving the XML data:\n" + req.statusText);
         	}
    	}
	}
	
function load3lc_hotel(evt)  
{
    try 
		{
        loadXMLDocHotel(evt);
        }
    catch(e) 
		{
        var msg = (typeof e == "string") ? e : ((e.message) ? e.message : "Unknown Error");
        alert("Unable to get XML data:\n" + msg);
        return;
        }
}

function loadXMLDocHotel(url) 
	{
    if (window.XMLHttpRequest) 
		{
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChangeHotel;
        req.open("GET", url, true);
        req.send(null);
		} 
		else if (window.ActiveXObject) 
		{
       	isIE = true;
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) 
			{
            req.onreadystatechange = processReqChangeHotel;
            req.open("GET", url, true);
            req.send();
        	}
    	}
	}



function processReqChangeHotel()
	{
    if (req.readyState == 4) 
		{
        if (req.status == 200)
			{			
				buildHotels("", TempDiv, TempIfr, TempFieldname, TempHiddenfieldname);
         	} 
			else 
			{
            alert("There was a problem retrieving the XML data:\n" + req.statusText);
         	}
    	}
	}
	
	
function load3lc(evt)  
	{
    try 
		{
        loadXMLDoc(evt);
        }
    catch(e) 
		{
        var msg = (typeof e == "string") ? e : ((e.message) ? e.message : "Unknown Error");
        alert("Unable to get XML data:\n" + msg);
        return;
        }
	}
	
function loadXMLDoc(url) 
	{
    if (window.XMLHttpRequest) 
		{
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET", url, true);
        req.send(null);
		} 
		else if (window.ActiveXObject) 
		{
       	isIE = true;
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) 
			{
            req.onreadystatechange = processReqChange;
            req.open("GET", url, true);
            req.send();
        	}
    	}
	}
	
function processReqChange()	{
    if (req.readyState == 4) {
        if (req.status == 200)			{
            buildAirports("", TempDiv, TempIfr, TempFieldname, TempHiddenfieldname);
        } 
		else {
            alert("There was a problem retrieving the XML data:\n" + req.statusText);
        }
    }
}
	
	
/*******************************************************************************/
// new parser...
// added not_rec for non recursive parsing 10.Jun.2008 Jo
/*******************************************************************************/
function getElementTextNS(prefix, local, parentElem, index, not_rec)
{
    var result = "";
    if (prefix && isIE)
		{
        result = parentElem.getElementsByTagName(prefix + ":" + local);
        if (! result)
			{
            return '';
        	}
			else
			{
        }
        result=result[index];
	}
	else
	{
    if ( ! not_rec )   {
        result = parentElem.getElementsByTagName(local);
    }
    else {
      result = new Array();
      for ( i=0; i< parentElem.childNodes.length; i++ )  {
        if ( parentElem.childNodes[i].nodeName == local ) {
          result[result.length] =   parentElem.childNodes[i];
          }
      }
    }
	if (! result)
		{
        return '';
        }
		else
		{
			//debug ("Result für "+local+":"+typeof(result));
        }
	result=result[index];
	}
    if (result)
		{
		if (! result.childNodes)
			{
			return '';
			}
		if (result.childNodes.length > 1)
			{
            return result.childNodes[1].nodeValue;
        	}
			else
			{
			if (  result.childNodes.length==0)
				{
			    return '';
			    }
			return result.firstChild.nodeValue;
    	   }
    	}
		else
		{		
        return '';//        return "n/a";
    	}
}

function buildHotels(what, aktDiv, aktIfr, fieldname, hiddenfieldname) {	
	
	var select = "";
	tmp_land = "";	
	var full = false;
	var max_hits = 25;
	var tmp_land = "";	
	var items = req.responseXML.getElementsByTagName("item");
	if ( what != "" ) {
		pattern = eval("/"+what+"/ig");		// durch exec ersetzen
	}	
	// We need search_letter as a global which is set on letter length 3
	if ( typeof(search_letter) == undefined ) exact_pattern = '';
	exact_pattern = eval("/^"+search_letter+"$/ig");
	counter = 0;
	
	for ( i=0; i< items.length; i++ ) {
		match = 1;
		id	     = getElementTextNS("", "id", items[i], 0);
		name	 = getElementTextNS("", "name", items[i], 0);
		district = getElementTextNS("", "district", items[i], 0);
		land	 = getElementTextNS("", "land", items[i], 0);
		altname =  getElementTextNS("", "altnames", items[i], 0);
		if ( what != "") {
			match = 0;			
			if ( typeof(name) == undefined) name = "";				
			tmp = name.match(pattern);
			if ( tmp != null )
				if (  tmp.length > 0 ) {					
					match++;				
				}				
			// Now the altnames only need to check if not empty
			if ( ! match )
				if ( typeof(altname) != undefined) {
					altnames = altname.split(';');
					for ( j=0; j<altnames.length; j++) {
						if ( altnames[j] == "" ) continue;
						tmp = name.match(pattern);
						if ( tmp != null )
							if (  tmp.length > 0 ) {
								//console.debug("match for "+what + " with " + altnames[j] );
								match++;
								break;
							}												
					}
				}
		}
		if ( ! match ) continue;
		counter ++	
		tmp_land.toLowerCase() == land.toLowerCase
		
		if ( counter >= (max_hits +10) ) {
			select += "<div class=\"\">&nbsp;</div>";
			select += "<div class=\"item_land\">und "+(items.length-max_hits) +" weitere</div>";
			break;
		}		
		if ( counter >= max_hits ) {
				tmp = name.match(exact_pattern);
				if ( tmp == null ) continue;				
				if ( tmp.length == 0 ) continue;
			district = search_letter;
		}		
		
		if (  tmp_land.toLowerCase() != land.toLowerCase() ) {
			select +=  "<div class=\"item_land\"><b>" + land + "</b></div>";
			tmp_land = land;
		}
		
		select = select + "<div class=\"lc3\" onClick=\"changeFieldHotel(\'" + i + "\', \'" + aktDiv + "\', \'" + aktIfr + "\',  \'" + fieldname + "\', \'" + hiddenfieldname + "\');\">" + name + "&nbsp;  (" + district + ")" +   "</div>";
		full = true;			
		div_display(aktDiv, select);
		an(aktDiv, aktIfr);		
	}
	
	if ( full == true ) {
		div_display(aktDiv, select);
		an(aktDiv, aktIfr);	
	}	
}

function buildAirports(what, aktDiv, aktIfr, fieldname, hiddenfieldname) 
	{
	var select = "";
	if(what == "")
		{
		var full = false;		
		var tmp_land = "";		
		var items = req.responseXML.getElementsByTagName("item");		
		for (var i = 0; i < items.length; i++) 
			{
			LC_city 		= getElementTextNS("", "airport", items[i], 0);			
			LC_airportname 	= getElementTextNS("", "portname", items[i], 0);
			LC_id			= getElementTextNS("", "id", items[i], 0);
			LC_land			= getElementTextNS("", "land", items[i], 0);
			LC_code			= getElementTextNS("", "code", items[i], 0);			
			if(LC_airportname != "N/A")
				{
				LC_airportname_3lc = " - " + LC_airportname;
				LC_airportname = " - " + LC_airportname + " (" + LC_code + ")";
				}				
				else
				{
				LC_airportname = " (" + LC_code + ")";
				LC_airportname_3lc = "";
				}
			if(LC_id != "DOUBLE")
				{
				if(LC_id != "SHORT")
					{					
					if(LC_land != tmp_land)
						{
						select = select + "<div class=\"item_land\">" + LC_land + "</div>";
						tmp_land = LC_land;
						}
					full = true;
					select = select + "<div class=\"lc3\" onClick=\"changeField(\'" + i + "\', \'" + aktDiv + "\', \'" + aktIfr + "\',  \'" + fieldname + "\', \'" + hiddenfieldname + "\');\">" + LC_city + LC_airportname + "</div>";
					}
				}
			if( LC_id == "SHORT")
				{					
				full = true;
				select = select + "<div class=\"lc3\" onClick=\"changeField(\'" + i + "\', \'" + aktDiv + "\', \'" + aktIfr + "\',  \'" + fieldname + "\', \'" + hiddenfieldname + "\');\"><b>" + LC_code + "</b> - " + LC_city + LC_airportname_3lc + "</div>";
				if(items.length > 1)
					{
					select = select + "<hr size=\"1\" noshade>";
					}
				}			
			}
		if(full == true)
			{
			div_display(aktDiv, select);
			an(aktDiv, aktIfr);
			}
			else
			{
			aus(aktDiv, aktIfr);
			}
		}
		else
		{		
		var full = false;
		var tmp_land = "";
		var select = "";
		var items = req.responseXML.getElementsByTagName("item");
		for (var i = 0; i < items.length; i++) 
			{
			LC_city 			= getElementTextNS("", "airport", items[i], 0);
			LC_id				= getElementTextNS("", "id", items[i], 0);
			LC_land				= getElementTextNS("", "land", items[i], 0);			
			LC_airportname 		= getElementTextNS("", "portname", items[i], 0);
			LC_code				= getElementTextNS("", "code", items[i], 0);			
			if(LC_airportname != "N/A")
				{
				LC_airportname = " - " + LC_airportname + " (" + LC_code + ")";
				}
				else
				{
				LC_airportname = " (" + LC_code + ")";
				LC_airportname_3lc = "";
				}		
			CompA				= LC_city + LC_airportname;
			CompA				= CompA.substring(0, what.length);
			CompA				= CompA.toLowerCase();
			CompB				= what;
			if(CompA == CompB && LC_id != "SHORT")	
				{
				if(LC_id != "SHORT")
					{
					if(LC_land != tmp_land)
						{
						select = select + "<div class=\"item_land\">" + LC_land + "</div>";
						tmp_land = LC_land;
						}
					full = true;
					select = select + "<div class=\"lc3\" onClick=\"changeField(\'" + i + "\', \'" + aktDiv + "\', \'" + aktIfr + "\', \'" + fieldname + "\', \'" + hiddenfieldname + "\');\">" + LC_city + " " + LC_airportname + "</div>";
					}
				}
			}				
		if(full == true)
			{
			div_display(aktDiv, select);
			an(aktDiv, aktIfr);
			}
			else
			{			
			aus(aktDiv, aktIfr);
			}
		}
	}


function short_buildAirports(what, aktDiv, aktIfr, fieldname, hiddenfieldname) 
	{
	var select = "";
	if(what == "")
		{
		var items = req.responseXML.getElementsByTagName("item");
		LC_city 		= getElementTextNS("", "airport", items[0], 0);			
		LC_airportname 	= getElementTextNS("", "portname", items[0], 0);
		LC_id			= getElementTextNS("", "id", items[0], 0);
		LC_land			= getElementTextNS("", "land", items[0], 0);
		LC_code			= getElementTextNS("", "code", items[0], 0);			
		if(getElementTextNS("", "portname", items[0], 0) != "N/A")
			{
			portn = ' - ' + getElementTextNS("", "portname", items[0], 0);
			}
			else
			{
			portn = '';
			}
		if(aktDiv == "start3lc")
			{
			document.flug.start_text.value 	= getElementTextNS("", "airport", items[0], 0) + portn; 
			document.flug.VON.value 		= getElementTextNS("", "code", items[0], 0);		
			}	
		if(aktDiv == "ziel3lc")
			{
			document.flug.ziel_text.value 	= getElementTextNS("", "airport", items[0], 0) + portn;
			document.flug.NACH.value 		= getElementTextNS("", "code", items[0], 0);		
			}
		}
	}


function changeField(what, aktDiv, aktIfr, fieldname, hiddenfieldname)
	{
	aus(aktDiv, aktIfr);	
	var items = req.responseXML.getElementsByTagName("item");
	var port3lc = getElementTextNS("", "portname", items[what], 0);
	if(port3lc == "N/A") {port3lc = "";} else {port3lc = " - " + port3lc;}	
	if(aktDiv == "start3lc")
		{
		document.flug.start_text.value 	= getElementTextNS("", "airport", items[what], 0) + port3lc;
		document.flug.VON.value 		= getElementTextNS("", "code", items[what], 0);		
		}	
	if(aktDiv == "ziel3lc")
		{
		document.flug.ziel_text.value 	= getElementTextNS("", "airport", items[what], 0) + port3lc;
		document.flug.NACH.value 		= getElementTextNS("", "code", items[what], 0);		
		}
	}

function changeFieldHotel(what, aktDiv, aktIfr, fieldname, hiddenfieldname)
{
	aus(aktDiv, aktIfr);	
	var items = req.responseXML.getElementsByTagName("item");
	port3lc = "";
	
	//console.debug("active="+aktDiv+ ' what='+ what);
	if(aktDiv == "start3lc")  {
		name = getElementTextNS("", "name", items[what], 0);
	    tmp = getElementTextNS("", "district", items[what], 0);
	
		if ( tmp == null ) tmp = name;
		else tmp = name + " ("+tmp+")";
		document.flug.start_text.value 	= tmp;
		document.flug.VON.value 		= getElementTextNS("", "id", items[what], 0);			
	}
	
}