/* 

	SearchField 
	written by Alen Grakalic, provided by Css Globe (cssglobe.com)
	please visit http://cssglobe.com/post/1202/style-your-websites-search-field-with-jscss/ for more info
	
*/

this.searchfield = function(){
	
	// CONFIG 
	
	// this is id of the search field you want to add this script to. 
	// You can use your own id just make sure that it matches the search field in your html file.
	var id = "searchfield";
	
	// Text you want to set as a default value of your search field.
	var defaultText = "";	
	
	// set to either true or false
	// when set to true it will generate search suggestions list for search field based on content of variable below
	var suggestion = true;
	
	// static list of suggestion options, separated by comma
	// replace with your own
	//var suggestionText = "'s-graveland, 's-gravendeel, 's-gravenhage, 's-heerenbroek, 's-hertogenbosch, 't loo oldebroek, Abbekerk, Achterveld, Aduard, Aerdt, Akkrum, Alkmaar, Almelo, Almere, Alphen nb, Amersfoort, Ammerzoden, Amstelveen, Amstenrade, Amsterdam, Amsterdam zuidoost, Anloo, Annen, Annerveenschekanaal, Appelscha, Arnhem, Assen, Asten, Baarle nassau, Baarle-nassau, Babberich, Barendrecht, Bavel, Bedum, Beek gem montferland, Beek ubbergen, Bellingwolde, Bemmel, Berg en terblijt, Bergen aan zee, Bergen nh, Bergen op zoom, Berkel-enschot, Berlikum fr, Best, Biest-houtakker, Bingelrade, Blankenham, Blokzijl, Bontebok, Borger, Borne, Boven-leeuwen, Bovensmilde, Breda, Breugel, Brunssum, Budel, Burdaard, Burgerbrug, Burgum, Bussum, Cadier en keer, Capelle aan den ijssel, Cuijk, Dalfsen, Darp, De knipe, Delfzijl, Den helder, Deurne, Didam, Diemen, Diessen, Dinteloord, Dirkshorn, Doesburg, Dokkum, Dongen, Dordrecht, Dorst, Drogteropslagen, Dronrijp, Drouwen, Drunen, Duiven, Duivendrecht, Eelde, Eemnes, Een-west, Eext, Eibergen, Eindhoven, Ekehaar, Ellecom, Elst gld, Enschede, Etten-leur, Eygelshoven, Farmsum, Feanwalden, Foxhol, Franeker, Gasselte, Gasselternijveen, Gasteren, Geldrop, Geulle, Giesbeek, Gieten, Glane, Goirle, Gorredijk, Grafhorst, Groessen, Grolloo, Groningen, Haghorst, Hapert, Haren gn, Harkstede, Hasselt, Hattemerbroek, Heerenveen, Heerle, Heerlen, Heesch, Heeswijk dinther, Heeze, Heijningen, Heiloo, Heino, Helmond, Hengelo ov, Herbaijum, Herwen, Heusden gem asten, Hijken, Hilvarenbeek, Hilversum, Hoensbroek, Hoevelaken, Hollandsche rading, Hoogerheide, Hoogeveen, Hooghalen, Hoogland, Hooglanderveen, Huijbergen, Huizen, Hulsel, Hurdegaryp, Kaatsheuvel, Kampen, Kantens, Katlijk, Kekerdom, Kerkrade, Kropswolde, Landgraaf, Langelille, Laren nh, Leek, Leende, Leens, Leeuwarden, Leiden, Leiderdorp, Leusden, Lichtenvoorde, Lierop, Lioessens, Lobith, Lollum, Loo gld, Loon op zand, Loosdrecht, Luinjeberd, Maarssen, Maassluis, Maastricht, Marum, Maurik, Mechelen, Meijel, Menaldum, Meppel, Middelie, Midlaren, Mierlo, Mildam, Moergestel, Montfoort, Nederweert, Nes gem boarnsterhim, Netersel, Nieuw-vossemeer, Nieuwegein, Nieuwleusen, Nieuwolda, Nijkerk gld, Nijkerkerveen, Nijmegen, Nooitgedacht, Noorbeek, Noordbroek, Noordhorn, Nootdorp, Norg, Nuenen, Nuth, Oegstgeest, Oisterwijk, Oldemarkt, Olst, Onnen, Oosteind, Oosterbeek, Oosterhout gem nijmegen, Oosterhout nb, Oosterwolde fr, Oranjewoud, Ospel, Ossendrecht, Oud gastel, Oudenbosch, Oudorp nh, Overdinkel, Pannerden, Paterswolde, Peest, Peize, Pijnacker, Poortvliet, Prinsenbeek, Punthorst, Putte, Raamsdonksveer, Reduzum, Reusel, Rheden, Riethoven, Rijen, Rijsbergen, Rijswijk zh, Rilland, Rinsumageast, Roden, Rolde, Roosendaal, Rosmalen, Rotterdam, Sappemeer, Schiedam, Schinnen, Schinveld, Schoorl, Simpelveld, Sint annaparochie, Sint willebrord, Slochteren, Smilde, Soest, Someren, Someren-eind, Spanbroek, Spijk gld, Spijkenisse, Sprang-capelle, Stavenisse, Steenbergen dr, Steenbergen nb, Steensel, Steenwijk, Steenwijkerwold, Sterksel, Ten boer, Terheijden, Teteringen, Tilburg, Tjalleberd, Tolbert, Tolkamer, Tuitjenhorn, Tynaarlo, Tytsjerk, Tzum, Tzummarum, Uddel, Udenhout, Uithoorn, Ureterp, Utrecht, Valkenburg lb, Valkenswaard, Veenhuizen, Veldhoven, Velp gld, Vianen ut, Vinkeveen, Vlagtwedde, Vlijmen, Voorburg, Voorschoten, Vries, Vught, Waalre, Waalwijk, Wagenberg, Wageningen, Wassenaar, Weesp, Weidum, Westerhoven, Westervoort, Wijhe, Wijnandsrade, Wildervank, Winschoten, Winsum gn, Winterswijk, Winterswijk meddo, Winterswijk miste, Winterswijk woold, Wirdum gn, Woerden, Wormerveer, Wytgaard, Yde, Zandvoort, Zeddam, Zevenaar, Zijldijk, Zoetermeer, Zoeterwoude, Zuidbroek, Zuidhorn, Zuidlaren, Zuidveen, Zundert, Zwartemeer, Zwolle"; 
	
	// END CONFIG (do not edit below this line, well unless you really, really want to change something :) )
	
	// Peace, 
	// Alen

	var field = document.getElementById(id);	
	var classInactive = "sf_inactive";
	var classActive = "sf_active";
	var classText = "sf_text";
	var classSuggestion = "sf_suggestion";
	this.safari = ((parseInt(navigator.productSub)>=20020000)&&(navigator.vendor.indexOf("Apple Computer")!=-1));
	if(field && !safari){
		field.value = defaultText;
		field.c = field.className;		
		field.className = field.c + " " + classInactive;
		field.onfocus = function(){
			this.className = this.c + " "  + classActive;
			this.value = (this.value == "" || this.value == defaultText) ?  "" : this.value;
		};
		field.onblur = function(){
			this.className = (this.value != "" && this.value != defaultText) ? this.c + " " +  classText : this.c + " " +  classInactive;
			this.value = (this.value != "" && this.value != defaultText) ?  this.value : defaultText;
			clearList();
		};
		if (suggestion){
			
			var selectedIndex = 0;
						
			field.setAttribute("autocomplete", "off");
			var div = document.createElement("div");
			var list = document.createElement("ul");
			list.style.display = "none";
			div.className = classSuggestion;
			list.style.width = field.offsetWidth + "px";
			div.appendChild(list);
			field.parentNode.appendChild(div);	

			field.onkeypress = function(e){
				
				var key = getKeyCode(e);
		
				if(key == 13){ // enter
					selectList();
					selectedIndex = 0;
					return false;
				};	
			};
				
			field.onkeyup = function(e){
			
				var key = getKeyCode(e);
		
				switch(key){
				case 13:
					return false;
					break;			
				case 27:  // esc
					field.value = "";
					selectedIndex = 0;
					clearList();
					break;				
				case 38: // up
					navList("up");
					break;
				case 40: // down
					navList("down");		
					break;
				default:
					startList();			
					break;
				};
			};
			
			this.startList = function(){
				var arr = getListItems(field.value);
				if(field.value.length > 0){
					createList(arr);
				} else {
					clearList();
				};	
			};
			
			this.getListItems = function(value){
				var arr = new Array();
				var src = suggestionText;
				var src = src.replace(/, /g, ",");
				var arrSrc = src.split(",");
				for(i=0;i<arrSrc.length;i++){
					if(arrSrc[i].substring(0,value.length).toLowerCase() == value.toLowerCase()){
						arr.push(arrSrc[i]);
					};
				};				
				return arr;
			};
			
			this.createList = function(arr){				
				resetList();			
				if(arr.length > 0) {
					for(i=0;i<arr.length;i++){				
						li = document.createElement("li");
						a = document.createElement("a");
						a.href = "javascript:void(0);";
						a.i = i+1;
						a.innerHTML = arr[i];
						li.i = i+1;
						li.onmouseover = function(){
							navListItem(this.i);
						};
						a.onmousedown = function(){
							selectedIndex = this.i;
							selectList(this.i);		
							return false;
						};					
						li.appendChild(a);
						list.setAttribute("tabindex", "-1");
						list.appendChild(li);	
					};	
					list.style.display = "block";				
				} else {
					clearList();
				};
			};	
			
			this.resetList = function(){
				var li = list.getElementsByTagName("li");
				var len = li.length;
				for(var i=0;i<len;i++){
					list.removeChild(li[0]);
				};
			};
			
			this.navList = function(dir){			
				selectedIndex += (dir == "down") ? 1 : -1;
				li = list.getElementsByTagName("li");
				if (selectedIndex < 1) selectedIndex =  li.length;
				if (selectedIndex > li.length) selectedIndex =  1;
				navListItem(selectedIndex);
			};
			
			this.navListItem = function(index){	
				selectedIndex = index;
				li = list.getElementsByTagName("li");
				for(var i=0;i<li.length;i++){
					li[i].className = (i==(selectedIndex-1)) ? "selected" : "";
				};
			};
			
			this.selectList = function(){
				li = list.getElementsByTagName("li");	
				a = li[selectedIndex-1].getElementsByTagName("a")[0];
				field.value = a.innerHTML;
				clearList();
			};			
			
		};
	};
	
	this.clearList = function(){
		if(list){
			list.style.display = "none";
			selectedIndex = 0;
		};
	};		
	this.getKeyCode = function(e){
		var code;
		if (!e) var e = window.event;
		if (e.keyCode) code = e.keyCode;
		return code;
	};
	
};

// script initiates on page load. 

this.addEvent = function(obj,type,fn){
	if(obj.attachEvent){
		obj['e'+type+fn] = fn;
		obj[type+fn] = function(){obj['e'+type+fn](window.event );}
		obj.attachEvent('on'+type, obj[type+fn]);
	} else {
		obj.addEventListener(type,fn,false);
	};
};
addEvent(window,"load",searchfield);