if (typeof(Autosuggest) == "undefined")
	Autosuggest = {}



OFAutoSuggest = function (fldID, param)
{
	if (!document.getElementById)
		return false;
	
	this.fld = DOM.getElement(fldID);
	
	if (!this.fld)
		return false;
	
	this.sInput 		= "";
	this.nInputChars 	= 0;
	this.aSuggestions 	= [];
	this.iHighlighted 	= 0;
	
	this.oP = (param) ? param : {};
	
	if (!this.oP.minchars)									this.oP.minchars = 1;
	if (!this.oP.method)									this.oP.meth = "get";
	if (!this.oP.varname)									this.oP.varname = "input";
	if (!this.oP.className)								this.oP.className = "autosuggest";
	if (!this.oP.timeout)									this.oP.timeout = 5000;
	if (!this.oP.delay)									this.oP.delay = 200;
	if (!this.oP.offsety)									this.oP.offsety = -5;
	if (!this.oP.shownoresults)							this.oP.shownoresults = true;
	if (!this.oP.noresults)								this.oP.noresults = "Geen resultaten";
	if (!this.oP.maxheight && this.oP.maxheight !== 0)		this.oP.maxheight = 250;
	if (!this.oP.cache && this.oP.cache != false)			this.oP.cache = true;
	
	var pointer = this;
	
	this.fld.onkeypress 	= function(ev){ return pointer.onKeyPress(ev); }
	this.fld.onkeyup 		= function(ev){ return pointer.onKeyUp(ev); }
	
	if(this.fld.className.match("autofill_small")){
		this.oP.className = "autosuggest popup small";
	}
	
	this.fld.setAttribute("autocomplete","off");
	this.fld.form.autocomplete = "off";
}

OFAutoSuggest.prototype.onKeyPress = function(ev)
{
	var key = (window.event) ? window.event.keyCode : ev.keyCode;

	var RETURN = 13;
	var TAB = 9;
	var ESC = 27;
	
	var bubble = true;

	switch(key)
	{
		case RETURN:
			if(this.iHighlighted == 0){
				this.fld.form.onsubmit();
			}else{
				this.setHighlightedValue();
			}
			bubble = false;
			break;
		case ESC:
			this.clearSuggestions();
			break;
	}

	return bubble;
}

OFAutoSuggest.prototype.onKeyUp = function(ev)
{
	var key = (window.event) ? window.event.keyCode : ev.keyCode;
	var ARRUP = 38;
	var ARRDN = 40;
	var bubble = true;

	switch(key)
	{
		case ARRUP:
			this.changeHighlight(key);
			bubble = false;
			break;
		case ARRDN:
			this.changeHighlight(key);
			bubble = false;
			break;
		default:
			this.getSuggestions(this.fld.value);
	}

	return bubble;
}

OFAutoSuggest.prototype.getSuggestions = function (val)
{
	//words = val.split(" ");
	//val = words[words.length - 1];
	if (val == this.sInput)
		return false;

	if (val.length < this.oP.minchars)
	{
		this.sInput = "";
		return false;
	}

	if (val.length>this.nInputChars && this.aSuggestions.length && this.oP.cache)
	{
		var arr = [];
		for (var i=0;i<this.aSuggestions.length;i++)
		{
			if (this.aSuggestions[i].value.substr(0,val.length).toLowerCase() == val.toLowerCase())
				arr.push( this.aSuggestions[i] );
		}
		
		this.sInput = val;
		this.nInputChars = val.length;
		this.aSuggestions = arr;
		
		this.createList(this.aSuggestions);
		return false;
	}
	else
	{
		this.sInput = val;
		this.nInputChars = val.length;

		var pointer = this;
		clearTimeout(this.ajID);
		this.ajID = setTimeout( function() { pointer.doAjaxRequest(val) }, this.oP.delay );
	}

	return false;
}

OFAutoSuggest.prototype.doAjaxRequest = function (val)
{
	var res = SearchHandler.AutoSuggest(val);
	this.setSuggestions(res);
}

OFAutoSuggest.prototype.setSuggestions = function (req)
{
	this.aSuggestions = [];
	
	var data = req.value;
	
	for (var i=0;i<data.length;i++)
	{
		this.aSuggestions.push(  { 'id':data[i].id, 'value':data[i].value, 'info':data[i].info }  );
	}
	
	this.idAs = "as_"+this.fld.id;
	this.createList(this.aSuggestions);
}

OFAutoSuggest.prototype.createList = function(arr)
{
	var pointer = this;
	
	DOM.removeElement(this.idAs);
	this.killTimeout();
	
	var div = DOM.createElement("div", {id:this.idAs, className:this.oP.className});	
	
	var hcorner = DOM.createElement("div", {className:"as_corner"});
	var hbar = DOM.createElement("div", {className:"as_bar"});
	var header = DOM.createElement("div", {className:"as_header"});
	header.appendChild(hcorner);
	header.appendChild(hbar);
	div.appendChild(header);
	
	var container = DOM.createElement("div", {className:"as_container"});
	div.appendChild(container)
	var ul = DOM.createElement("ul", {id:"as_ul"});
	
	for (var i=0;i<arr.length;i++)
	{
		var val = arr[i].value;
		var st = val.toLowerCase().indexOf( this.sInput.toLowerCase() );
		var output = val.substring(0,st) + "<em>" + val.substring(st, st+this.sInput.length) + "</em>" + val.substring(st+this.sInput.length);
		
		
		var span 		= DOM.createElement("span", {}, output, true);
		if (arr[i].info != "")
		{
			var br			= DOM.createElement("br", {});
			span.appendChild(br);
			var small		= DOM.createElement("small", {}, arr[i].info);
			span.appendChild(small);
		}
		
		var a 			= DOM.createElement("a", { href:"#" });
		
		var tl 		= DOM.createElement("span", {className:"tl"}, " ");
		var tr 		= DOM.createElement("span", {className:"tr"}, " ");
		a.appendChild(tl);
		a.appendChild(tr);
		
		a.appendChild(span);
		
		a.name = i+1;
		a.onclick = function () { pointer.setHighlightedValue(); return false; }
		a.onmouseover = function () { pointer.setHighlight(this.name); }
		
		var li 			= DOM.createElement(  "li", {}, a  );
		
		ul.appendChild( li );
	}
	
	if (arr.length == 0)
	{
		var li 			= DOM.createElement(  "li", {className:"as_warning"}, this.oP.noresults  );
		
		ul.appendChild( li );
	}
	
	
	container.appendChild( ul );
	
	
	var fcorner = DOM.createElement("div", {className:"as_corner"});
	var fbar = DOM.createElement("div", {className:"as_bar"});
	var footer = DOM.createElement("div", {className:"as_footer"});
	footer.appendChild(fcorner);
	footer.appendChild(fbar);
	div.appendChild(footer);
	
	var pos = DOM.getPos(this.fld);
	
	div.style.left 		= pos.x + "px";
	div.style.top 		= ( pos.y + this.fld.offsetHeight + this.oP.offsety ) + "px";
	div.style.width 	= this.fld.offsetWidth + "px";
	
	div.onmouseover 	= function(){ pointer.killTimeout() }
	div.onmouseout 		= function(){ pointer.resetTimeout() }

	if (arr.length > 0){
		document.getElementsByTagName("body")[0].appendChild(div);
	
		this.iHighlighted = 0;
	
		var pointer = this;
		this.toID = setTimeout(function () { pointer.clearSuggestions() }, this.oP.timeout);
	}
}

OFAutoSuggest.prototype.changeHighlight = function(key)
{	
	var list = DOM.getElement("as_ul");
	if (!list)
		return false;
	
	var n;

	if (key == 40)
		n = this.iHighlighted + 1;
	else if (key == 38)
		n = this.iHighlighted - 1;
	
	
	if (n > list.childNodes.length)
		n = list.childNodes.length;
	if (n < 1)
		n = 1;
	
	
	this.setHighlight(n);
}

OFAutoSuggest.prototype.setHighlight = function(n)
{
	var list = DOM.getElement("as_ul");
	if (!list)
		return false;
	
	if (this.iHighlighted > 0)
		this.clearHighlight();
	
	this.iHighlighted = Number(n);
	
	list.childNodes[this.iHighlighted-1].className = "as_highlight";


	this.killTimeout();
}


OFAutoSuggest.prototype.clearHighlight = function()
{
	var list = DOM.getElement("as_ul");
	if (!list)
		return false;
	
	if (this.iHighlighted > 0)
	{
		list.childNodes[this.iHighlighted-1].className = "";
		this.iHighlighted = 0;
	}
}


OFAutoSuggest.prototype.setHighlightedValue = function ()
{
	if (this.iHighlighted)
	{
		/*
		var words = this.fld.value.split(" ");
		
		words[words.length - 1] = this.aSuggestions[ this.iHighlighted-1 ].value;
		
		this.fld.value = words.join(" ");
		
		this.sInput = words[words.length - 1];
		*/
		var val = this.aSuggestions[ this.iHighlighted-1 ].value;
		this.fld.value = val;
		this.sInput = val;
		this.fld.focus();
		if (this.fld.selectionStart)
			this.fld.setSelectionRange(this.sInput.length, this.sInput.length);
		

		this.clearSuggestions();
		
		if (typeof(this.oP.callback) == "function")
			this.oP.callback( this.aSuggestions[this.iHighlighted-1] );
		this.iHighlighted = 0;
		this.fld.form.onsubmit();
	}
}

OFAutoSuggest.prototype.killTimeout = function()
{
	clearTimeout(this.toID);
}

OFAutoSuggest.prototype.resetTimeout = function()
{
	clearTimeout(this.toID);
	var pointer = this;
	this.toID = setTimeout(function () { pointer.clearSuggestions() }, 1000);
}

OFAutoSuggest.prototype.clearSuggestions = function ()
{
	
	this.killTimeout();
	
	var ele = DOM.getElement(this.idAs);
	var pointer = this;
	if (ele)
	{
		var fade = new Fader(ele,1,0,250,function () { DOM.removeElement(pointer.idAs) });
	}
}

if (typeof(DOM) == "undefined")
	DOM = {}


DOM.createElement = function ( type, attr, cont, html )
{
	var ne = document.createElement( type );
	if (!ne)
		return false;
		
	for (var a in attr)
		ne[a] = attr[a];
		
	if (typeof(cont) == "string" && !html)
		ne.appendChild( document.createTextNode(cont) );
	else if (typeof(cont) == "string" && html)
		ne.innerHTML = cont;
	else if (typeof(cont) == "object")
		ne.appendChild( cont );

	return ne;
}

DOM.clearElement = function ( id )
{
	var ele = this.getElement( id );
	
	if (!ele)
		return false;
	
	while (ele.childNodes.length)
		ele.removeChild( ele.childNodes[0] );
	
	return true;
}

DOM.removeElement = function ( ele )
{
	var e = this.getElement(ele);
	
	if (!e)
		return false;
	else if (e.parentNode.removeChild(e))
		return true;
	else
		return false;
}

DOM.replaceContent = function ( id, cont, html )
{
	var ele = this.getElement( id );
	
	if (!ele)
		return false;
	
	this.clearElement( ele );
	
	if (typeof(cont) == "string" && !html)
		ele.appendChild( document.createTextNode(cont) );
	else if (typeof(cont) == "string" && html)
		ele.innerHTML = cont;
	else if (typeof(cont) == "object")
		ele.appendChild( cont );
}

DOM.getElement = function ( ele )
{
	if (typeof(ele) == "undefined")
	{
		return false;
	}
	else if (typeof(ele) == "string")
	{
		var re = document.getElementById( ele );
		if (!re)
			return false;
		else if (typeof(re.appendChild) != "undefined" ) {
			return re;
		} else {
			return false;
		}
	}
	else if (typeof(ele.appendChild) != "undefined")
		return ele;
	else
		return false;
}

DOM.appendChildren = function ( id, arr )
{
	var ele = this.getElement( id );
	
	if (!ele)
		return false;
	
	
	if (typeof(arr) != "object")
		return false;
		
	for (var i=0;i<arr.length;i++)
	{
		var cont = arr[i];
		if (typeof(cont) == "string")
			ele.appendChild( document.createTextNode(cont) );
		else if (typeof(cont) == "object")
			ele.appendChild( cont );
	}
}

DOM.getPos = function ( ele )
{
	var ele = this.getElement(ele);
	var hasPopup = false;

	var obj = ele;

	var curleft = 0;
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
			if(obj.id == "onefield-search"){
				hasPopup = true;
			}
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	else if (obj.y)
		curtop += obj.y;
	else if (obj.y && obj.x){
		curtop += obj.y;
		curleft += obj.x;
	}
	
	if(!hasPopup){
		var obj = document.getElementById("onefield-search");
		if(obj){

			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		}
	}
	
	return {x:curleft, y:curtop}
}


if (typeof(Fader) == "undefined")
	Fader = {}

Fader = function (ele, from, to, fadetime, callback)
{	
	if (!ele)
		return false;
	
	this.ele = ele;
	
	this.from = from;
	this.to = to;
	
	this.callback = callback;
	
	this.nDur = fadetime;
		
	this.nInt = 50;
	this.nTime = 0;
	
	var p = this;
	this.nID = setInterval(function() { p._fade() }, this.nInt);
}

Fader.prototype._fade = function()
{
	this.nTime += this.nInt;
	
	var ieop = Math.round( this._tween(this.nTime, this.from, this.to, this.nDur) * 100 );
	var op = ieop / 100;
	
	if (this.ele.filters) // internet explorer
	{
		try
		{
			this.ele.filters.item("DXImageTransform.Microsoft.Alpha").opacity = ieop;
		} catch (e) { 
			this.ele.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity='+ieop+')';
		}
	}
	else 
	{
		this.ele.style.opacity = op;
	}
	
	
	if (this.nTime == this.nDur)
	{
		clearInterval( this.nID );
		if (this.callback != undefined)
			this.callback();
	}
}

Fader.prototype._tween = function(t,b,c,d)
{
	return b + ( (c-b) * (t/d) );
}