$(document).ready(function(){
	//Functions for conditional hide javascript-required functions when js dont work.
	$('.js-hide').hide();
	$('.js-show').show();

	$('.checkboxlisttitle .multi').each(function() {
		var list = $(this).parent().next();
		$('<a href="javascript:;">vybrat vše</a>')
			.click(function(){
				$(':checkbox', list).attr('checked','checked');
			})
			.appendTo(this);
		$('<a href="javascript:;">zrušit vše</a>')
			.click(function(){
				$(':checkbox', list).removeAttr('checked');
			})
			.appendTo(this);
	});

	// Checkboxlist
	$('.checkboxlist input')
		.focus(function(){
			$(this).parent().parent().addClass('focus');
		})
		.blur(function(){
			$(this).parent().parent().removeClass('focus');
		})
		.keypress(function(e){
			if(e.keyCode == 38) {
				$('input',$(this).parent().parent().prev()).focus();
				e.preventDefault();
			}
			else if(e.keyCode == 40) {
				$('input',$(this).parent().parent().next()).focus();
				e.preventDefault();
			}
		});
});

/**
 * trim function
 */
function trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}


/*
 * getObj(name)
 *
 * sets object and style
 */
function getObj(name)
{
  if (document.getElementById){
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
	this.obj = getObjNN4(document,name);
	this.style = this.obj;
  }
}

/*
getObjNN4(obj, name)

rekurzivni funkce pro hledani objektu jmena name v Netscapu se zanorenymi
vrstvami, divy.
*/
function getObjNN4(obj,name)
{
	var x = obj.layers;
	var foundLayer;
	for ( var i=0; i < x.length; i++ )
	{
		if (x[i].id == name)
		 	foundLayer = x[i];
		else if (x[i].layers.length)
			var tmp = getObjNN4(x[i],name);
		if (tmp) foundLayer = tmp;
	}
	return foundLayer;
}

/**
 * shows element. it allows to choose the way elemtns would be displayed
 * block, inline, table, etc.
 * @param string objectName
 * @param string displayStyle
 */
function showElement(objectName, displayStyle)
{
	objToShow = new getObj(objectName);
	objToShow.style.display = displayStyle;
}

/*
 * hides element
 * @param string objectName
 */
function hideIt(objectName)
{
	objToHide = new getObj(objectName);
	objToHide.style.display = 'none';
}

/**
* switch display state of object - ie display:block <-> none
* @param string objectName
* @param string displayStyle
*/
function toggleElementDisplay(objectName, displayStyle)
{
	objToToggle = new getObj(objectName);
	if (objToToggle.style.display != 'none') {
    	hideIt(objectName);
  	}
	else {
		showElement(objectName, displayStyle);
	}
}

/**
* reset passed form
* @param string formName
* @param object tinyMCE
*/
function resetForm(formName, tinyMCE)
{
	form = new getObj(formName);
	form.obj.reset();
	
	//reset also tinyMCE form
	//ugly but fast solution:)
	for ( i = 0; i< 2; i++){
		tinyMCE.resetForm(0);
		
	};
}

/**
 * fetchUrlNameFromTitle
 *
 * gets values from item title and makes an url out of them
 */

function fetchUrlNameFromTitle(sourceName, destName)
{
	source  = new getObj(sourceName);
	dest    = new getObj(destName);
	urlName = getRidOfBadCharacters(source.obj.value);

	dest.obj.value = urlName.toLowerCase();
}

/**
 * fetchUrlNameFromTitle
 *
 * onKeyUp gets values from item title, makes url out of them and prints it to the detsination
 */
function changeUrlName(sourceName, destName)
{

	source  = new getObj(sourceName);
	dest    = new getObj(destName);

	urlName = getRidOfBadCharacters(source.obj.value);
	
	dest.obj.value = urlName.toLowerCase();
	return;
}

/**
 * fetchEuroFromCZK
 *
 * gets values from item price, rentPrice -> EUR
 */

function fetchEuroFromCZK(sourceName, destName, exchangeRate)
{
	source  = new getObj(sourceName);
	dest    = new getObj(destName);
	priceEUR = eval((source.obj.value/exchangeRate)*100);
	priceEUR = Math.round(priceEUR);
	priceEUR = eval(priceEUR/100);

	dest.obj.value = priceEUR;
}

/**
 * this function gets rid off unwanted characters in string
 */
function getRidOfBadCharacters(string)
{
	var badChars="áäčďéěíĺľňóôőöŕšťúůűüýřžÁÄČĎÉĚÍĹĽŇÓÔŐÖŔŠŤÚŮŰÜÝŘŽ -/.,?+<>:;{}()!'\"\\";
	var goodChars="aacdeeillnoooorstuuuuyrzaacdeeillnoooorstuuuuyrz---";
	var newString="";
	
	string = trim(string);
	for( i=0; i < string.length; i++ )
	{
		if (badChars.indexOf(string.charAt(i))!=-1)
		{
		//when replacing bad characters for good one, we have to check if the last
		//replaced character wasn't "-" so that we are not going to have two or more
		// "-" in a row.
			if((goodChars.charAt(badChars.indexOf(string.charAt(i)))!='-')||(newString.substring(newString.length-1, newString.length)!='-'))
			{
				newString+=goodChars.charAt(badChars.indexOf(string.charAt(i)));
			}
		}
		else newString+=string.charAt(i);
	}
	return newString;
}




/**
 * checks if required fields are not empty
 * all required fields have to be in class named "required"
 * if the field has specified title than show title in alert - title should
 * be in format Insert your name. Insert your address. Etc.
 */
function validateForm ( defaultValues )
{
	requiredFields = getElementsByClassName("required");
	
	for ( var i=0; i < requiredFields.length; i++ )
	{
		if ( trim (requiredFields[i].value) == "" || ( defaultValues && requiredFields[i].value == defaultValues[requiredFields[i].name] ) ){
			if (requiredFields[i].title){
				alert (requiredFields[i].title);
			}
			else{
				alert( "Je třeba vyplnit všechny povinné položky!" );
			}
			requiredFields[i].focus();
			return false;
		}
	}
	return true;
}

/**
* gets all element with specified class name
* @param string clsName
* @return array all elements with specified class name
*/
function getElementsByClassName(clsName)
{
	var arr = new Array();
	var elems = document.getElementsByTagName("*");
	for ( var cls, i = 0; ( elem = elems[i] ); i++ )
	{
		if ( elem.className.indexOf(clsName) != -1 )
		{
			arr[arr.length] = elem;
		}
	}
	return arr;
}

/**
 * (un)check checkboxes (chk) acording to main checkbox (Check_ctr)
 */
function Check(chk, Check_ctr)
{
	if(Check_ctr.checked==true){
		for (i = 0; i < chk.length; i++)
		chk[i].checked = true ;
	}else{
		for (i = 0; i < chk.length; i++)
		chk[i].checked = false ;
	}
}


/**
 * hides element that should be hidden (has class='hidden')
 * it can not be done directly with css because some js has problems then..
 */
function hideHiddenElements()
{
//	elementsToHide   = getElementsByClassName("hidden");
//	var display = 'none';
//
//	for ( var i=0; i < elementsToHide.length; i++ )
//	{
//		elementsToHide[i].style.display = 'none';
//	}
}

/**
 * setValue
 *
 * sets specified value to selected object
 */
function setValue(destName, value)
{
	source 	         = new getObj(destName);
	source.obj.value = value;
}

/**
 *submit form
 */
function submitForm(formName)
{
	form = new getObj(formName);
	form.obj.submit();
}

function setSubmitAction(formName, actionString)
{
	form = new getObj(formName);
	form.obj.action=actionString;
	form.obj.submit();
}


function changeClass(objectName, newClass)
{

	object = new getObj(objectName);
	object.obj.className = newClass;
}

function setFocus(objectName)
{
	objectToSetFocusTo = new getObj(objectName);
	objectToSetFocusTo.obj.focus();

}

/**
 * opens a popup windows with picture specified in path and with specified dimensions
 */
function openPictureWindow(path,width,height)
{
	var top = screen.availheight/2 - height/2;
	var left = screen.availwidth/2 - width/2;

	if (screen.availheight < height) { top = 0; height=screen.availheight;}
	if (screen.availwidth < width) { left = 0; width = screen.availwidth;}

	window.open(path, "window",'width=' + width + ',height=' + height +',top=' + top +',left='+ left);
}

/**
 * Displays a delete confirmation window
 * @param string lang - which language to use
 */
function confirmDelete(lang)
{
	var text = "";
	
	switch (lang)
	{
		case 'cz':
		case 'cs':
		default:
			text="Opravdu chcete tuto položku smazat?";
			break;
		case 'de':
			text = "Wollen Sie .... ?";
			break;
		case 'en':
			text= "Are you sure you want to remove this item?";
	}
			
	confirmation = confirm(text);
	if ( confirmation == true ){
		return true;
	}
	else {
		return false;
	}
}

/**
 * Displays a confirmation window
 * @param string text - text to be displayed
 */
function confirmDialog(text)
{
	confirmation = confirm(text);
	if ( confirmation == true ){
		return true;
	}
	else {
		return false;
	}
}

/**
 * checks all element that are in class named elements_to_control. if all
 * fields in this class are filled, then shows all elements with elements_to_show_class
 */
function checkIfDisplayHiddenElements()
{
	elementsToShow    = getElementsByClassName("elements_to_show");
	elementsToControl = getElementsByClassName("elements_to_control");
	var visibility = 'visible';
	
		
	for ( var i=0; i < elementsToControl.length; i++ )
	{
		if ( trim (elementsToControl[i].value) == "" ){
			visibility = 'hidden';
		}
	}
		
	for ( var i=0; i < elementsToShow.length; i++ )
	{
		elementsToShow[i].style.visibility= visibility;
	}
}

/**
 * Opens filemanager window that is part of tiny_fce to fetch image name
 * and insert it to specified element
 */
function openFckFileManager(field_name, win)
{
	tinyfck_field = field_name;
	tinyfck = win;
	window.open("javascripts/filemanager/browser.html?Connector=connectors/php/connector.php", "tinyfck", "modal,width=600,height=400");
}


/**
 * toggleDisplay(objectName)
 *
 * display switcher - if object.style.display is none this function turns it to
 * calls function showit, and vice versa
 *
 *
*/
function toggleDisplay(objectName)
{

	objToToggle = new getObj(objectName);
	if(objToToggle.style.display == 'none') {
    	showIt(objectName);
  	} else {
		if(objToToggle.style.display != 'none') {
			hideIt(objectName);
		} else {
			showIt(objectName);
		}
	}
}

/*
 * showIt(objectName)
 * zobrazi objekt jmena (objectName)
*/
function showIt(objectName)
{

	objToShow = new getObj(objectName);
	objToShow.style.display = 'block';
}

// tato funkce bude prohazovat classy u objektu -
// pokud bude nastavena prvni, zapne druhou a vice versa
// vhodn pro zatrhavani polozek v tabulce
// predpoklada ze u tohoto objektu mohou nastat
// prave jen tyto dva stavy
function toggleClasses(objectName, firstClass, secondClass)
{
	object = new getObj(objectName);
	if (object.obj.className == firstClass)
	{
		object.obj.className = secondClass;
	} else
	{
		object.obj.className = firstClass;
	}

}

//"spravne" reseni externich odkazu v strict xhtml webu
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for ( var i=0; i < anchors.length; i++ ) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}

//oznaci vsechny checkboxy v danem elementu
function selectCheckboxesInElement ( objectName ) {
	var checks = document.getElementById(objectName).getElementsByTagName('input');
	for ( var i=0; i < checks.length; i++ ) {
		if ( checks[i].type == 'checkbox' ) checks[i].checked = true;
	}
}

//odznaci vsechny checkboxy v danem elementu
function unselectCheckboxesInElement( objectName ) {
	var checks = document.getElementById(objectName).getElementsByTagName('input');
	for ( var i=0; i < checks.length; i++ ) {
		if ( checks[i].type == 'checkbox' ) checks[i].checked = false;
	}
}

//invertuje oznaceni vsech checkboxu v danem elementu
function invertCheckboxesInElement ( objectName ) {
	var checks = document.getElementById(objectName).getElementsByTagName('input');
	for ( var i=0; i < checks.length; i++ ) {
		if ( checks[i].type == 'checkbox' ) checks[i].checked = !checks[i].checked;
	}
}

function productAttributesDisplay( container, checkBoxId ) {
	var checked = 0;
	var checks = document.getElementById(container).getElementsByTagName('input');
	for ( var i=0; i < checks.length; i++ ) {
		if ( checks[i].type == 'checkbox' && checks[i].checked ) checked++;
	}
	
	var checkBox = document.getElementById('attribute_'+checkBoxId+'_cb');
	
	if ( checked > 5 ) {
		checkBox.checked = false;
		return;
	}
	
	if ( checkBox.checked )
		showIt('attribute_'+checkBoxId);
	else
		hideIt('attribute_'+checkBoxId);
}

function hideUnselectedAttributes() {

}

//obnoveni obrazku pro captcha
function new_freecap()
{
	// loads new freeCap image
	if(document.getElementById)
	{
		// extract image name from image source (i.e. cut off ?randomness)
		thesrc = document.getElementById("captcha_image").src;
		thesrc = thesrc.substring(0,thesrc.lastIndexOf(".")+4);
		// add ?(random) to prevent browser/isp caching
		document.getElementById("captcha_image").src = thesrc+"?"+Math.round(Math.random()*100000);
	} else {
		alert("Sorry, cannot autoreload freeCap image\nSubmit the form and a new freeCap will be loaded");
	}
}

//validace formulare s dvema policky pro hesla
function validateFormWithDualPassword() {
	valid = validateForm();
	
	if (valid) {
		if ( document.getElementById('password').value == document.getElementById('password2').value ) {
			return true;
		}
		alert("Obě zadaná hesla se musí shodovat!");
	}
	
	return false;
}

//postupe zobrazovani prvku pole
function serialShow ( objects, button ) {
	for ( i=0; i < objects.length-1; i++) {
		var obj = document.getElementById(objects[i]);
		if (obj.style.display == 'none') {
			obj.style.display = 'block';
			return;
		}
	}
	
	document.getElementById(objects[i]).style.display = 'block';
	document.getElementById(button).style.display = 'none';
}

/**
 * Updates clock - prints current time to an HTML element with id 'clock'
 */
function updateClock()
{
  if( !document.getElementById('clock') )
	  return;
  
  var currentTime    = new Date ( );
  
  var currentHours   = currentTime.getHours ( );
  var currentMinutes = currentTime.getMinutes ( );
  var currentSeconds = currentTime.getSeconds ( );

  // Pad the minutes and seconds with leading zeros, if required
  currentMinutes = ( currentMinutes < 10 ? "0" : "" ) + currentMinutes;
  currentSeconds = ( currentSeconds < 10 ? "0" : "" ) + currentSeconds;

  // Compose the string for display
  var currentTimeString = currentHours + ":" + currentMinutes + ":" + currentSeconds;

  // Update the time display
  document.getElementById('clock').firstChild.nodeValue = currentTimeString;
}

/* Polls */
function animateResults(data)
{
	$(data).find('.bar').css('opacity', 0);
	$(data).find('.bar').each(function(){
			var bar_width=$(this).width();
			$(this).css('width', '0').animate({ width: bar_width, opacity: 1 }, 1000);
	});
}

function pollAjaxRequest(id, optionId){
	var pollcontainer = $('#pollcontainer' + id);
	//Load the poll form
	$.get('index.php', { section: 'polls', action: 'ajax', pollID: id, optID : optionId }, function(data, status){
		pollcontainer.html(data);
		animateResults(pollcontainer);
	});
	return false;
}
/**
 * Function writes a value from html object given to another html objects
 *  
 *  @param valueFrom			html object, from which values are taken
 *  @param valueTo				array of html objects names, with desired value, fe: array('someName'=>'value', 'otherName'=>'text'), value = value of form item, text = inner text of HTML object
 *  @param hiddenAllValues		if you want to add some hidden field, that will store all the values to send
 *  @param add					boolean - add value? false = remove, use it if hiddenAllValues is defined only
 */
function switchItem(valueFrom, valueTo, hiddenAllValues, add) {
	var from = new getObj(valueFrom);
	var to = new getObj(valueTo);
	var hid = new getObj(hiddenAllValues);
	
	var i = from.obj.length;
	while(from.obj.selectedIndex != -1) {
		option = from.obj.options[from.obj.selectedIndex];
		//alert(to.obj.options[option.value]);
		newOption = new Option(option.text, option.value);
		to.obj.options[to.obj.length] = newOption;
		
		if(!!add) {
			if(hid.obj.value == "") {
				hid.obj.value = option.value;
			} else {
				hid.obj.value += ", "+option.value;
			}
		} else {
			arr = hid.obj.value.split(", ");
			k = in_array(option.value, arr, false, true);
			arr.splice(k, 1);
			hid.obj.value = implode(", ", arr);
		}
		
		index = from.obj.selectedIndex;
		option.selected = false;
		from.obj.remove(index);
		i++;
	}
}

/**
 * classic var_dump
 * 
 * @param obj		object to dump
 */
function var_dump(obj) {
   if(typeof obj == "object") {
      return "Type: "+typeof(obj)+((obj.constructor) ? "\nConstructor: "+obj.constructor : "")+"\nValue: " + obj;
   } else {
      return "Type: "+typeof(obj)+"\nValue: "+obj;
   }
}

function in_array (needle, haystack, argStrict, returnKey) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: vlado houba
    // +   input by: Billy
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // *     example 1: in_array('van', ['Kevin', 'van', 'Zonneveld']);
    // *     returns 1: true
    // *     example 2: in_array('vlado', {0: 'Kevin', vlado: 'van', 1: 'Zonneveld'});
    // *     returns 2: false
    // *     example 3: in_array(1, ['1', '2', '3']);
    // *     returns 3: true
    // *     example 3: in_array(1, ['1', '2', '3'], false);
    // *     returns 3: true
    // *     example 4: in_array(1, ['1', '2', '3'], true);
    // *     returns 4: false
    var key = '',
        strict = !! argStrict;

    if (strict) {
        for (key in haystack) {
            if (haystack[key] === needle) {
                return !!returnKey?key:true;
            }
        }
    } else {
        for (key in haystack) {
            if (haystack[key] == needle) {
                return !!returnKey?key:true;
            }
        }
    }

    return false;
}

function implode (glue, pieces) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Waldo Malqui Silva
    // +   improved by: Itsacon (http://www.itsacon.net/)
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // *     example 1: implode(' ', ['Kevin', 'van', 'Zonneveld']);
    // *     returns 1: 'Kevin van Zonneveld'
    // *     example 2: implode(' ', {first:'Kevin', last: 'van Zonneveld'});
    // *     returns 2: 'Kevin van Zonneveld'
    var i = '',
        retVal = '',
        tGlue = '';
    if (arguments.length === 1) {
        pieces = glue;
        glue = '';
    }
    if (typeof(pieces) === 'object') {
        if (Object.prototype.toString.call(pieces) === '[object Array]') {
            return pieces.join(glue);
        } else {
            for (i in pieces) {
                retVal += tGlue + pieces[i];
                tGlue = glue;
            }
            return retVal;
        }
    } else {
        return pieces;
    }
}

var checkBoxControler = function(totalCount){
	var count = totalCount;
	
	return {
		onChange: function(){
			if(this.checked == false){
				if(count <= 1 ){
					this.checked = true;
				}else{
					count--;
				}
			}else if (this.checked == true){
				count++;
			}
		}
	};
}

var checkBoxForm = function(idForm, idDisableButton, idSelectButton){
	var id = idForm;
	var form = $(idForm);
	var checkboxes = {};
	var checkedCount = {};
	var idDisableButton = idDisableButton;
	var idSelectButton = idSelectButton;
	return {
		register: function(){
			var test = $('#'+id+':checkbox');
			$(':checkbox').each(function(){
				var name = this.name.replace(/\[[a-zA-Z0-9]*\]/, '');
				checkboxes[name] = checkboxes[name]? checkboxes[name] : new Array();
				checkboxes[name].push( this );
				if(this.checked == true){
					checkedCount[name] = checkedCount[name]? checkedCount[name]+1 : 1;
				}
			});
			
			$.each(checkboxes, function(name, values){
				var totalCount = checkedCount[name]? checkedCount[name] : 0;
				if(totalCount == 0){
					values[0].checked = true;
					totalCount++;
				}
				
				var controler = new checkBoxControler(checkedCount[name]);
				
				$.each(values, function(value){
					$(this).bind('change', controler.onChange);
				});
			});
			
			$(idDisableButton).bind('click', this.disableAll);
			$(idSelectButton).bind('click', this.selectAll);
		},
		selectAll: function(){
			$.each(checkboxes, function(name, values){
				$.each(values, function(value){
					this.checked = true;
				});
			});
		},
		disableAll: function(){
			$.each(checkboxes, function(name, values){
				var temp = null;
				$.each(values, function(value){
					this.checked = false;
				});
			});
		},
	}

}