function FFSuggest() {
	var pRequest;
	var pLayer;
	var pDebug					= false;
	var pInstanceName			= '';
	var pSearchURL				= '';
	var pQueryParamName			= '';
	var pFormname 				= '';
	var pLayerName				= '';
	var pQueryInput;
	var pSuggest				= new Array();
	var pLastQuery;
	var pCurrentSelection		= 0;
	var submitted				= false;
	var pShowImages				= false;

	var pSuggestImageClass 		= 'suggestImage';
	var pSuggestQueryClass 		= 'suggestTextQuery';
	var pSuggestTypeClass 		= 'suggestTextType';
	var pSuggestAmountClass     = 'suggestTextAmount';
	var pSuggestQueryTypedClass = 'suggestTextQueryTyped';
	var pSuggestFooterClass     = 'suggestFooter';
	var pSuggestHeaderClass     = 'suggestHeader';
	var pSuggestRowClass	    = 'suggestRow';
	var pSuggestHighlightClass  = 'suggestHighlight';

	this.init = function(searchURL, formname, queryParamName, divLayername, instanceName, debugMode, channelParamName, channel, showImages) {
		pSearchURL			= searchURL;
		pFormname			= formname;
		pQueryParamName		= queryParamName;
		pChannelParamName	= channelParamName;
		pChannel			= channel;
		pLayerName			= divLayername;
		pInstanceName		= instanceName;
 		pDebug				= debugMode;
 		pShowImages			= showImages;
		if (pSearchURL == '') {
			if (pDebug) alert('no searchurl defined');
			return null;
		} else if (pInstanceName == '') {
			if (pDebug) alert('no instancename defined');
			return null;
		} else if (pFormname == '') {
			if (pDebug) alert('no formname defined');
			return null;
		} else if (pQueryParamName == '') {
			if (pDebug) alert('no queryparamname defined');
			return null;
		} else if (pLayerName == '') {
			if (pDebug) alert('need a layer for output');
		}
		pQueryInput = document[pFormname][pQueryParamName];
		pQueryInput.onkeyup	= handleKeyPress;
		pQueryInput.onfocus	= showLayer;
		pQueryInput.onblur	= hideLayer;
		document[pFormname].onsubmit = handleSubmit;
	}

	function handleSubmit() {
		submitted = true;
		if (pSuggest[pCurrentSelection] != undefined) {
			document[pFormname][pQueryParamName].value = pSuggest[pCurrentSelection].split('###')[0];
			createQueryFromSuggestField();
		}
	}

	this.handleClick = function() {
		if (pSuggest[pCurrentSelection] != undefined) {
			document[pFormname][pQueryParamName].value = pSuggest[pCurrentSelection].split('###')[0];
			createQueryFromSuggestField();
			document[pFormname].submit();
		}
	}

	this.handleMouseOver = function(pos) {
		var tblCell = getTableCell(pos);
		unmarkAll();
		if (tblCell != null) {
			highlightSuggest(tblCell);
			pCurrentSelection = pos;
		}
	}

	this.handleMouseOut = function(pos) {
		var tblCell = getTableCell(pos);
		if (tblCell != null) {
			unmarkSuggest(tblCell);
			pCurrentSelection = -1
		}
	}

	function handleKeyPress(evt) {
		evt = (evt) ? evt : ((event) ? event : null);
		var keyCode = evt.keyCode;
		if (keyCode == 38) {
			moveSelection('up')
		} else if (keyCode == 27) {
			hideLayer();
		} else if (keyCode == 40) {
			moveSelection('down');
		} else {
			if (pQueryInput.value == '') {
				hideLayer();
				if (pLayer != null){ pLayer.innerHTML = ''; }
				return null;
			}
			if (pLastQuery != pQueryInput.value){ startAjax(); }
			pLastQuery = pQueryInput.value;
		}
	}

	function moveSelection(direction) {
		var pos = pCurrentSelection;
		if (direction == 'up'){	pos--; }
		else{ 					pos += 1; }

		if (pos < 0) {
			unmarkAll();
			pQueryInput.focus();
			pCurrentSelection	= -1;
		} else {
			var tblCell = getTableCell(pos);
			if (tblCell != null) {
				unmarkAll();
				highlightSuggest(tblCell);
				pCurrentSelection = pos;
			}
		}

		var query = pQueryInput.value;
		pQueryInput.value = '';
		pQueryInput.focus();
		pQueryInput.value = query;
	}

	function startAjax() {
		var query = pQueryInput.value;
		if(query.length > 50 ){ return; }

		var kundennummernInput = document.getElementById('Kundennummern');
		var kundennummern = "0";
		if (kundennummernInput != null && kundennummernInput.value.length > 0){
	  		kundennummern = kundennummernInput.value
	  	}

	  //ITB: Umlaute ersetzen
	  query = query.replace(/ä/g, "ae");
	  query = query.replace(/ö/g, "oe");
	  query = query.replace(/ü/g, "ue");
	  query = query.replace(/Ä/g, "Ae");
	  query = query.replace(/Ö/g, "Oe");
	  query = query.replace(/Ü/g, "Ue");
    query = query.replace(/ß/g, "ss");

			var requestURL = pSearchURL +'?'+ pQueryParamName +'='+ encodeURIComponent(query) +'&'+ pChannelParamName +'='+ pChannel +'&filterKundennummern=' + kundennummern;


		try {
			if( window.XMLHttpRequest ) {
				pRequest = new XMLHttpRequest();
			} else if( window.ActiveXObject ) {
				pRequest = new ActiveXObject( "Microsoft.XMLHTTP" );
			} else {
				if (pDebug) alert( 'no ajax connection' );
			}

			pLayer = document.getElementById(pLayerName);
			if (pLayer != null) {
				if (query != '') {

					pRequest.open( "GET", requestURL, true );
					pRequest.onreadystatechange = callbackAjax;
					pRequest.send( null );
				} else {
					hideLayer();
				}
			} else {
				if (pDebug) alert( 'no layer for output found' );
			}
		} catch( ex ) {
			hideLayer();
			if (ex == undefined) {
				if (pDebug) alert( 'Error: ' + ex.getmessage );
			} else {
				if (pDebug) alert( 'Error: ' + ex );
			}
		}
	}

	function hideLayer() {
		//ITB
		if(pQueryInput.value == '') {
//			pQueryInput.value = pQueryInput.defaultValue;
		}

		if (pLayer != null) {
			pLayer.style.display = 'none';
			fireSuggestLayerHidden();
		}
	}

	this.hideLayerOutsideCall = function() {
		if (pLayer != null) {
			pLayer.style.display = 'none';
			fireSuggestLayerHidden();
		}
	}

	function showLayer() {
		//ITB
		if(pQueryInput.value == pQueryInput.defaultValue) {
			pQueryInput.value = '';
		}

		if (pLayer != null && pSuggest != null && pSuggest.length >= 1) {
			pLayer.style.display = 'block';
		}
	}

	function callbackAjax() {
		if (submitted == false) {
			if (pRequest.readyState == 4) {
				if (pRequest.status != 200) {
					hideLayer();
					if (pDebug) alert( 'Error (' + pRequest.status + '): ' + pRequest.statusText );
				} else {
					handleResponse(pRequest.responseText);
				}
			}
		}
  }

	// calls the callback for "outside" listeners if the callback is implemented
	function fireSuggestCompleted(suggestLayerIsVisible) {
		if (typeof(onSuggestCompleted) == 'function') {
			onSuggestCompleted(suggestLayerIsVisible);
		}
	}

	// calls the callback for "outside" listeners if the callback is implemented
	function fireSuggestLayerHidden() {
		if (typeof(onSuggestLayerHidden) == 'function') {
			onSuggestLayerHidden();
		}
	}

	function handleResponse(text) {
		var colSpan = 3;
		if(pShowImages){colSpan++;}

		pCurrentSelection = -1;
		pSuggest = new Array();
		pSuggest = text.split('\n');
		var outputText = '<table cellpadding="0" cellspacing="0" class="' + pLayerName + '" width="100%" border="0" onMouseDown="' + pInstanceName + '.handleClick();">';
		outputText += '<tr class="'+pSuggestHeaderClass+'" ><td nowrap="nowrap" colspan="'+colSpan+'">Vorschl&#228;ge zu Ihrer Suche...</td></tr>';

		var pNewSuggest = new Array();
		for (var i = 0; i < pSuggest.length; i++) {
			var firstChar = pSuggest[i].charCodeAt(0);

			if (firstChar != 13 && firstChar != 10 && pSuggest[i].length >= 1) {
				pNewSuggest.push(pSuggest[i]);
			}
		}
		pSuggest = pNewSuggest;
		var query = pQueryInput.value;

		// ITB: Variablen zum Prüfen des vorherigen Thumbs
	    var currentThumb = null;
	    var oldThumb = null;

		for (var i = 0; i < pSuggest.length; i++) {
			pSuggestParts = new Array();
			pSuggestParts = pSuggest[i].split("###");
			// ITB: Suchvorschlag auf x Zeichen kürzen
			var itbFFdescription = itbShortStr(pSuggestParts[0],100);

			// ITB: "Produktname" durch "Artikel" ersetzen
			if(pSuggestParts[2] == 'Produktname') {
				pSuggestParts[2] = 'Artikel';
			}

			// ITB: Ändern der Anzeige der gefundenen Produkte, z.B. "4 Produkte" -> "[4]"
			pSuggestAmount = new Array();
			pSuggestAmount = pSuggestParts[1].split(" ");
			if(pSuggestAmount[0] == "Ein") {
				pSuggestAmount[0] = "1";
			}
			pSuggestParts[1] = pSuggestAmount[0];

			outputText += '<tr id="' + pLayerName + '_' + i + '" class="'+pSuggestRowClass+'" onMouseOver="' + pInstanceName + '.handleMouseOver(' + i + ');" onMouseOut="' + pInstanceName + '.handleMouseOut(' + i + ');">';
			if(pShowImages){
			  // ITB: Artikelbild innerhalb der Variation nur beim ersten Artikel anzeigen
	        currentThumb = pSuggestParts[3];
	        if(currentThumb == oldThumb){ currentThumb = "/tradepro/shop/trenner.gif"; }
				outputText +=	'<td nowrap="nowrap" class="'+ pSuggestImageClass +'"><img src="' + currentThumb + '" alt="" onerror="this.onerror=null;this.src=\'/tradepro/shop/oa_40.gif\';"/></td>'; // ITB: oa.gif eingefügt
				oldThumb = pSuggestParts[3];
			}

			// ITB: Ausgabe angepasst und Quelltextabschnitt für bessere Lesbarkeit formatiert
			outputText += '<td nowrap="nowrap" class="'
						+ pSuggestQueryClass +'">'
						+ itbFFdescription.replace(new RegExp("("
						+query
						+")","ig"),'<span class="'+pSuggestQueryTypedClass+'">$1</span>')
						+ '</td>'
						+'<td nowrap="nowrap" class="'+ pSuggestTypeClass +'">' + pSuggestParts[2] + '</td>'
						//+'<td nowrap="nowrap" class="'+ pSuggestAmountClass +'">[' + pSuggestParts[1] + ']</td>'
						+'<td nowrap="nowrap" class="'+ pSuggestAmountClass +'"></td>'
						+'</tr>';

		}
		outputText += '<tr><td class="'+pSuggestFooterClass+'" colspan="'+colSpan+'">&nbsp;</td></tr></table>';
		if (pSuggest.length >= 1) {
			showLayer();
			pLayer.innerHTML = outputText;

			// calback for "outside" listeners
			fireSuggestCompleted(true);
		} else {
			hideLayer();
			pLayer.innerHTML = '';

			// calback for "outside" listeners
			fireSuggestCompleted(false);
		}

	}

	// ITB: Funktion zum Kürzen von Texten
	function itbShortStr(inStr,outLength) {
		var output = inStr;
		var output2 = '';
		if (outLength>0 && inStr.length>outLength){
			var lastspace=0;
			output=inStr.substring( 0 , outLength );
			output2=inStr.substring( outLength , inStr.length );
			lastspace=output2.indexOf(' ');
			output=output+output2.substring(0,lastspace)+' ...';
		}
		return( output );
	}

	function highlightSuggest(tblCell) {
		tblCell.className = pSuggestHighlightClass;
	}

	function unmarkSuggest(tblCell) {
		tblCell.className = pSuggestRowClass;
	}

	function unmarkAll() {
		var tblCell;
		for (var i = 0; i < pSuggest.length; i++) {
			tblCell = getTableCell(i);
			if (tblCell != null) {
				unmarkSuggest(tblCell);
			}
		}
	}

	function getTableCell(pos) {
		var tblCell;
		tblCell = document.getElementById(pLayerName + '_' + pos);
		return tblCell;
	}

	//creates a hidden input field to pass, so we know this query was chosen from suggest
	function createQueryFromSuggestField(){
		var element = document.createElement('input');
		element.name = 'queryFromSuggest';
		element.type = 'hidden';
		element.value = 'true';
		document[pFormname].appendChild(element);

		var kundennummernInput = document.getElementById('Kundennummern');
		var kundennummern = "0";
		if (kundennummernInput != null && kundennummernInput.value.length > 0){
	  		kundennummern = kundennummernInput.value
	  	}
		var furtherElement = document.createElement('input');
		furtherElement.name = 'Kundennummern';
		furtherElement.type = 'hidden';
		furtherElement.value = kundennummern
		document[pFormname].appendChild(furtherElement);
	}
}