/************************************************************************************************************
	(C) www.dhtmlgoodies.com, April 2006
	
	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	
	
	Terms of use:
	You are free to use this script as long as the copyright message is kept intact. However, you may not
	redistribute, sell or repost it without our permission.
	
	Thank you!
	
	www.dhtmlgoodies.com
	Alf Magne Kalleland
	
	************************************************************************************************************/	

	var ajaxBox_offsetX = 0;
	var ajaxBox_offsetY = 0;
	var ajax_list_externalFile = '/data/search/search_suggestions.asp';	// Path to external file
	var minimumLettersBeforeLookup = 1;	// Number of letters entered before a lookup is performed.
	
	var ajax_list_objects = new Array();
	var ajax_list_cachedLists = new Array();
	var ajax_list_activeInput = false;
	var ajax_list_activeItem;
	var ajax_list_optionDivFirstItem = false;
	var ajax_list_currentLetters = new Array();
	var ajax_optionDiv = false;
	var ajax_optionDiv_iframe = false;
	var ajax_numOptions = 0;
	
	var ajax_list_MSIE = false;
	if(navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('Opera')<0)ajax_list_MSIE=true;
	
	var currentListIndex = 0;
	
	function ajax_getTopPos(inputObj)
	{
		
	  var returnValue = inputObj.offsetTop;
	  while((inputObj = inputObj.offsetParent) != null){
	  	returnValue += inputObj.offsetTop;
	  }
	  return returnValue;
	}
	function ajax_list_cancelEvent()
	{
		return false;
	}
	
	function ajax_getLeftPos(inputObj)
	{
	  var returnValue = inputObj.offsetLeft;
	  while((inputObj = inputObj.offsetParent) != null)returnValue += inputObj.offsetLeft;
	  
	  return returnValue;
	}
	
	function ajax_option_setValue(e,inputObj)
	{
		if(!inputObj)inputObj=this;
		var tmpValue = inputObj.innerHTML;
		if(ajax_list_MSIE)tmpValue = inputObj.innerText;else tmpValue = inputObj.textContent;
		if(!tmpValue)tmpValue = inputObj.innerHTML;
		ajax_list_activeInput.val(tmpValue);
		if(document.getElementById(ajax_list_activeInput.attr("name") + '_hidden'))document.getElementById(ajax_list_activeInput.attr("name") + '_hidden').value = inputObj.id; 
		ajax_options_hide();
	}
	
	function ajax_options_hide()
	{
		if(ajax_optionDiv)ajax_optionDiv.slideUp(300);	
		if(ajax_optionDiv_iframe)ajax_optionDiv_iframe.style.display='none';
        if( jQuery.browser.msie && (jQuery.browser.version <= 7) ) 
        {
            $("#divProductJump").show();                            //Show the product jump in ie 6
        }
	}

	function ajax_options_rollOverActiveItem(item,fromKeyBoard)
	{
		if(ajax_list_activeItem)ajax_list_activeItem.className='optionDiv';
		item.className='optionDivSelected';
		ajax_list_activeItem = item;
		
		if(fromKeyBoard){
			if(ajax_list_activeItem.offsetTop>ajax_optionDiv.offsetHeight){
				ajax_optionDiv.scrollTop = ajax_list_activeItem.offsetTop - ajax_optionDiv.offsetHeight + ajax_list_activeItem.offsetHeight + 2 ;
			}
			if(ajax_list_activeItem.offsetTop<ajax_optionDiv.scrollTop)
			{
				ajax_optionDiv.scrollTop = 0;	
			}
		}
	}
	
	function ajax_option_list_buildList(letters,paramToExternalFile)
	{
		
		ajax_optionDiv.innerHTML = '';
		ajax_list_activeItem = false;
		if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length<=1){
			ajax_options_hide();
			return;			
		}
		
		
		
		ajax_list_optionDivFirstItem = false;
		var optionsAdded = false;
		ajax_optionDiv.text("");
		for(var no=0;no<ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length;no++){
			if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()][no].length==0)continue;
			optionsAdded = true;
			var div = document.createElement('DIV');
			var items = ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()][no].split(/###/gi);

			if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length==1 && ajax_list_activeInput.val() == items[0]){
				ajax_options_hide();
				return;						
			}
			
			
			div.innerHTML = items[items.length-1];
			div.id = items[0];
			div.className='optionDiv';
			div.onmouseover = function(){ ajax_options_rollOverActiveItem(this,false) }
			div.onclick = ajax_option_setValue;
			if(!ajax_list_optionDivFirstItem)ajax_list_optionDivFirstItem = div;
			ajax_optionDiv.append(div);
		}	
		if(optionsAdded){
			ajax_optionDiv.slideDown(300);
			if(ajax_optionDiv_iframe)ajax_optionDiv_iframe.style.display='';
			ajax_options_rollOverActiveItem(ajax_list_optionDivFirstItem,true);
		}
					
	}
	
	function ajax_option_list_showContent(ajaxIndex,inputObj,paramToExternalFile,whichIndex)
	{
		if(whichIndex!=currentListIndex)return;
		var letters = inputObj.attr("value");
		var content = ajax_list_objects[ajaxIndex].response;
		var elements = content.split('|');
		if( jQuery.browser.msie && (jQuery.browser.version < 7) )
		{
		    var p = $("#divSearchTextBox");
            var position = p.offset();
            $(".searchCompleteOptions").css("left",position.left);  //Fix the left position in ie 6
		}
		if( jQuery.browser.msie && (jQuery.browser.version <= 7) ) 
        {
            $("#divProductJump").hide();                            //Hide the product jump in ie 6 and 7
        }
		ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()] = elements;
		ajax_option_list_buildList(letters,paramToExternalFile);
		ajax_numOptions = elements.length;
	}
	
	function ajax_option_resize(inputObj)
	{
		ajax_optionDiv.style.top = (offset.top + inputObj.offsetHeight + ajaxBox_offsetY) + 'px';
		ajax_optionDiv.style.left = (offset.left + ajaxBox_offsetX) + 'px';
		if(ajax_optionDiv_iframe){
			ajax_optionDiv_iframe.style.left = ajax_optionDiv.style.left;
			ajax_optionDiv_iframe.style.top = ajax_optionDiv.style.top;			
		}		
		
	}
	
	document.documentElement.onclick = autoHideList;
	
	function autoHideList(e)
	{
		if(document.all)e = event;
		
		if (e.target) source = e.target;
			else if (e.srcElement) source = e.srcElement;
			if (source.nodeType == 3) // defeat Safari bug
				source = source.parentNode;		
		if(source.tagName.toLowerCase()!='input' && source.tagName.toLowerCase()!='textarea')ajax_options_hide();
		
	}
	
/* Simple AJAX Code-Kit (SACK) v1.6.1 */
/* ©2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */

function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "POST";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
  	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}


$(document).ready(
    function addAutoCompleteListeners() {
        $(".searchBox").keyup(
	        function ajax_showOptions(event)
	        {
	            var inputObj = $("#crestron_search_text");
	            var offset = inputObj.offset();
	            var paramToExternalFile = "getTerms"
	            
		        if(event.keyCode==13 || event.keyCode==9)return;
		        if(ajax_list_currentLetters[inputObj.attr("name")]==inputObj.attr("value"))return;
		        if(!ajax_list_cachedLists[paramToExternalFile])ajax_list_cachedLists[paramToExternalFile] = new Array();
		        ajax_list_currentLetters[inputObj.attr("name")] = inputObj.attr("value");
		        ajax_optionDiv = $(".searchCompleteOptions");
		        if(inputObj.attr("value").length<minimumLettersBeforeLookup){
			        ajax_options_hide();
			        return;
		        }
		        ajax_list_activeInput = inputObj;
		        ajax_optionDiv.onselectstart =  ajax_list_cancelEvent;
		        currentListIndex++;
		        if(ajax_list_cachedLists[paramToExternalFile][inputObj.attr("value").toLowerCase()]){
			        ajax_option_list_buildList(inputObj.attr("value"),paramToExternalFile,currentListIndex);
			        ajax_numOptions = ajax_list_cachedLists[paramToExternalFile][inputObj.attr("value").toLowerCase()].length;		
		        }else{
			        var tmpIndex=currentListIndex/1;
			        ajax_optionDiv.html = '';
			        var ajaxIndex = ajax_list_objects.length;
			        ajax_list_objects[ajaxIndex] = new sack();
			        var url = ajax_list_externalFile + '?' + paramToExternalFile + '=1&input=' + inputObj.attr("value").replace(" ","+");
			        ajax_list_objects[ajaxIndex].requestFile = url;	// Specifying which file to get
			        ajax_list_objects[ajaxIndex].onCompletion = function(){ ajax_option_list_showContent(ajaxIndex,inputObj,paramToExternalFile,tmpIndex); };	// Specify function that will be executed after file has been found
			        ajax_list_objects[ajaxIndex].runAJAX();		// Execute AJAX function	
		        }
		        if (ajax_numOptions > 0){
			        ajax_optionDiv.css("height",(ajax_numOptions * 16) + 'px');
			        if (ajax_optionDiv_iframe) ajax_optionDiv_iframe.style.height = ajax_optionDiv.css("height");
		        }
		        ajax_numOptions = 0;	
	        }
        );
        
		$(".searchBox").keydown(
		    function ajax_option_keyNavigation(event)
	        {	
		        if(!ajax_optionDiv)return;
		        if(ajax_optionDiv.css("display")=='none')return;
        		
		        if(event.keyCode==38){	// Up arrow
			        if(!ajax_list_activeItem)return;
			        if(ajax_list_activeItem && !ajax_list_activeItem.previousSibling)return;
			        ajax_options_rollOverActiveItem(ajax_list_activeItem.previousSibling,true);
		        }
        		
		        if(event.keyCode==40){	// Down arrow
			        if(!ajax_list_activeItem){
				        ajax_options_rollOverActiveItem(ajax_list_optionDivFirstItem,true);
			        }else{
				        if(!ajax_list_activeItem.nextSibling)return;
				        ajax_options_rollOverActiveItem(ajax_list_activeItem.nextSibling,true);
			        }
		        }
        		
		        if(event.keyCode==13 || event.keyCode==9){	// Enter key or tab key
			        if(ajax_list_activeItem && ajax_list_activeItem.className=='optionDivSelected')ajax_option_setValue(false,ajax_list_activeItem);
			        if(event.keyCode==13)return false; else return true;
		        }
		        if(event.keyCode==27){	// Escape key
			        ajax_options_hide();			
		        }
	        }    
		);
    }
);