



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();
}


	var minimumLettersBeforeLookup = 2;	// Number of letters entered before a lookup is performed.


	var ajaxBox_offsetX = 0;
	var ajaxBox_offsetY = 0;
	
	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_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.value = tmpValue;
		if(document.getElementById(ajax_list_activeInput.name + '_ajax'))document.getElementById(ajax_list_activeInput.name + '_ajax').value = inputObj.id; 
		ajax_options_hide();
	}
	
	function ajax_options_hide()
	{
		if(ajax_optionDiv)ajax_optionDiv.style.display='none';	
		if(ajax_optionDiv_iframe)ajax_optionDiv_iframe.style.display='none';
	}

	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;			
		}
		
		//adjust list width	
		var noOfChars = 8
		
		ajax_list_optionDivFirstItem = false;
		var optionsAdded = false;
		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.value == 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.appendChild(div);
			
			if (div.innerHTML.length > noOfChars) {
						noOfChars = div.innerHTML.length 
						}

		}	
		
		ajax_optionDiv.style.width = (noOfChars) * 7 + 'px';
		if(ajax_optionDiv_iframe){
			ajax_optionDiv_iframe.style.width = ajax_optionDiv.style.width;
		}		


		if(optionsAdded){
			ajax_optionDiv.style.display='block';
			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.value;
		var content = ajax_list_objects[ajaxIndex].response;
		var elements = content.split('><');
		ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()] = elements;
		ajax_option_list_buildList(letters,paramToExternalFile);
	
		

	}
	
	function ajax_option_resize(inputObj)
	{
		ajax_optionDiv.style.top = (ajax_getTopPos(inputObj) + inputObj.offsetHeight + ajaxBox_offsetY) + 'px';
		ajax_optionDiv.style.left = (ajax_getLeftPos(inputObj) + 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;			
		}		
		
	}
	
	function ajax_showOptions(inputObj,paramToExternalFile,e)
	{
	
	
		if(e.keyCode==13 || e.keyCode==9)return;
		if(ajax_list_currentLetters[inputObj.name]==inputObj.value)return;
		if(!ajax_list_cachedLists[paramToExternalFile])ajax_list_cachedLists[paramToExternalFile] = new Array();
		ajax_list_currentLetters[inputObj.name] = inputObj.value;
		if(!ajax_optionDiv){
			ajax_optionDiv = document.createElement('DIV');
			ajax_optionDiv.id = 'ajax_listOfOptions';	
			document.body.appendChild(ajax_optionDiv);
			
			if(ajax_list_MSIE){
				ajax_optionDiv_iframe = document.createElement('IFRAME');
				ajax_optionDiv_iframe.border='0';
				ajax_optionDiv_iframe.style.width = ajax_optionDiv.clientWidth + 'px';
				ajax_optionDiv_iframe.style.height = ajax_optionDiv.clientHeight + 'px';
				ajax_optionDiv_iframe.id = 'ajax_listOfOptions_iframe';
				
				document.body.appendChild(ajax_optionDiv_iframe);
			}
			
			var allInputs = document.getElementsByTagName('INPUT');
			for(var no=0;no<allInputs.length;no++){
				if(!allInputs[no].onkeyup)allInputs[no].onfocus = ajax_options_hide;
			}			
			var allSelects = document.getElementsByTagName('SELECT');
			for(var no=0;no<allSelects.length;no++){
				allSelects[no].onfocus = ajax_options_hide;
			}

			var oldonkeydown=document.body.onkeydown;
			if(typeof oldonkeydown!='function'){
				document.body.onkeydown=ajax_option_keyNavigation;
			}else{
				document.body.onkeydown=function(){
					oldonkeydown();
				ajax_option_keyNavigation() ;}
			}
			
			var oldonresize=document.body.onresize;
			if(typeof oldonresize!='function'){
				//// not working with multiple inp boxes
				////document.body.onresize=function() {ajax_option_resize(inputObj); };
			}else{
				document.body.onresize=function(){oldonresize();
				ajax_option_resize(inputObj) ;}
			}
				
		}
		
		if(inputObj.value.length<minimumLettersBeforeLookup){
			ajax_options_hide();
			return;
		}
				

		ajax_optionDiv.style.top = (ajax_getTopPos(inputObj) + inputObj.offsetHeight + ajaxBox_offsetY) + 'px';
		ajax_optionDiv.style.left = (ajax_getLeftPos(inputObj) + 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;			
		}
		
		ajax_list_activeInput = inputObj;
		ajax_optionDiv.onselectstart =  ajax_list_cancelEvent;
		currentListIndex++;
		if(ajax_list_cachedLists[paramToExternalFile][inputObj.value.toLowerCase()]){
			ajax_option_list_buildList(inputObj.value,paramToExternalFile,currentListIndex);			
		}else{
			var tmpIndex=currentListIndex/1;
			ajax_optionDiv.innerHTML = '';
			var ajaxIndex = ajax_list_objects.length;
			ajax_list_objects[ajaxIndex] = new sack();
			var url = ajax_list_externalFile + '?lang=' + paramToExternalFile + '&letters=' + URLencode2(inputObj.value);
			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		
		}
		
			
	}
	
	function URLencode2(str) 
	{
		str = str.replace(" ","+")
		
		var re = /Ö/g;
		str = str.replace(re, "%c3%96");
	
		re = /ö/g;
		str = str.replace(re, "%c3%b6");
	
		re = /Ä/g;
		str = str.replace(re, "%c3%84");
	
		re = /ä/g;
		str = str.replace(re, "%c3%a4");
	
		re = /Å/g;
		str = str.replace(re, "%c3%85");
	
		re = /å/g;
		str = str.replace(re, "%c3%a5");
	
		return str	
	}
	
	
	function ajax_option_keyNavigation(e)
	{
		if(document.all)e = event;
		
		if(!ajax_optionDiv)return;
		if(ajax_optionDiv.style.display=='none')return;
		
		if(e.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(e.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(e.keyCode==13 || e.keyCode==9){	// Enter key or tab key
			if(ajax_list_activeItem && ajax_list_activeItem.className=='optionDivSelected')ajax_option_setValue(false,ajax_list_activeItem);
			if(e.keyCode==13)return false; else return true;
		}
		if(e.keyCode==27){	// Escape key
			ajax_options_hide();			
		}
	}
	
	
	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();
		
	}

//Global ClientScript Error Handling & logging
function errorHandler(message, url, line)
{
   // message == text-based error description
   // url     == url which exhibited the script error
   // line    == the line number being executed when the error occurred

	var sAlertMsg // msg displayed to user

	 //err message, 
			sAlertMsg = 'Javascript fel:' +  message + ',rad=' + line

			//alert(sAlertMsg) //for dubugging purposes only!
	
 // stop the event from bubbling up to the default window.onerror handler
   return true;
}

// install the global error-handler
window.onerror = errorHandler;

