function ucWords(string){
 var arrayWords;
 var returnString = "";
 var len;
 arrayWords = string.split(" ");
 len = arrayWords.length;
 for(i=0;i < len ;i++){
  if(i != (len-1)){
   returnString = returnString+ucFirst(arrayWords[i])+" ";
  }
  else{
   returnString = returnString+ucFirst(arrayWords[i]);
  }
 }
 return returnString;
}
function ucFirst(string){
 return string.substr(0,1).toUpperCase()+string.substr(1,string.length).toLowerCase();
}

/*AJAX*/
var READY_STATE_UNINITIALIZED=0; 
var READY_STATE_LOADING=1; 
var READY_STATE_LOADED=2;
var READY_STATE_INTERACTIVE=3; 
var READY_STATE_COMPLETE=4;
var peticion_http;
var suggestionText;
var vclass;
function cargaContenido(url, metodo, funcion) {
  peticion_http = inicializa_xhr();
 
  if(peticion_http) {
    peticion_http.onreadystatechange = funcion;
    peticion_http.open(metodo, url, true);
    peticion_http.send(null);
  }
}
 
function inicializa_xhr() {
  if(window.XMLHttpRequest) {
    return new XMLHttpRequest();
  }
  else if(window.ActiveXObject) {
    return new ActiveXObject("Microsoft.XMLHTTP");
  }
}
 
function muestraContenido() {
  if(peticion_http.readyState == READY_STATE_COMPLETE) {
    if(peticion_http.status == 200) {
      suggestionText= peticion_http.responseText;
    }
  }
}
 

/* 

	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(){
	cargaContenido("suggest_"+lang+".txt?al="+Date.parse(new Date()), "GET", muestraContenido);
	// 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 = "search_field";
	
	// Text you want to set as a default value of your search field.
	var defaultText = "Buscando en el sitio...";	
	
	// 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 = "above the fold"; */
	
	

	
	// 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";
	var idSuggestion = "sugerir";
	
	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;
			//document.getElementById("sugerir").style.height="100px";
			
		};
		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;
			div.id = idSuggestion;
			div.style.zIndex="999999";
			
			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()){
				  if(arrSrc[i].indexOf(value.toLowerCase()) >= 0){
						arr.push(arrSrc[i]);
					};
				};				
				return arr;
			};
			
			this.createList = function(arr){				
				resetList();			
				if(arr.length > 0) {
					for(i=0;i<arr.length;i++){	
						if(i>9)break;
						li = document.createElement("li");
						a = document.createElement("a");
						a.href = "javascript:void(0);";
						a.i = i+1;
						jpk=ucFirst(arr[i]);
						a.innerHTML = ucFirst(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);	
					};	
					vclass=document.getElementById("search_field").className;
					document.getElementById("search_field").style.border="2px solid #efefef";
					list.style.display = "block";	
//					list.style.overflow = "auto";
//					list.parentNode.className = "alto";
					
				} 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){	
		document.getElementById("search_field").style.borderBottom="1px solid #efefef";
		document.getElementById("search_field").style.borderTop="2px solid #828177";
		document.getElementById("search_field").style.borderLeft="2px solid #828177";
		document.getElementById("search_field").style.borderRight="2px solid #efefef";
			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);