function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function readSelected(group) {

	cookieValue = readCookie("productsToCompare_"+group);
	if (cookieValue) {
		return cookieValue.split(',');
	}
	else {
		return new Array('', '', '');
	}
}

function writeSelected(selectedProducts,group) {

	cookieValue = selectedProducts[0] + ",";
	cookieValue = cookieValue + selectedProducts[1] + ",";
	cookieValue = cookieValue + selectedProducts[2];

	createCookie("productsToCompare_"+group, cookieValue);

}

function createCookie(name,value)
{
	var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function validate()	{
	form=document.getElementById('listForm');
	form.elements['businessEntityFilter.topFiveIncluded'].value=true;
	for (var i=0;i<form.elements.length; i++) {
		if (form.elements[i].type=='select-one' && form.elements[i].name!='pagingFilter.itemsOnPage' 	&& form.elements[i].value!='0')
		{
			form.elements['businessEntityFilter.topFiveIncluded'].value=false;
			return true;
		}
	}
	if (form.elements['pagingFilter.pageNr'].value > 0)
		form.elements['businessEntityFilter.topFiveIncluded'].value=false;

	return true;
}

function checkSelected() {
	form=document.getElementById('listForm');
	for (var i=0;i<form.elements.length; i++) {
		if (form.elements[i].type=='checkbox')
			if(( form.elements[i].id == tablica[0]
			 || form.elements[i].id == tablica[1]
			 || form.elements[i].id == tablica[2]) )
					form.elements[i].checked=true;
			else form.elements[i].checked=false;
	}
}

function countChecked() {
	form=document.getElementById('listForm');
	for (var i=0;i<form.elements.length; i++) {
		if (form.elements[i].type=='checkbox' && form.elements[i].checked) {
			toCompare++;

		}
	}
}

function checkComparison(){

	if (!toCompare || toCompare <2) {
		alert("Zaznacz co najmniej 2 produkty");
		return false;
	}
	if (toCompare >3) {
		alert("Możesz zaznaczyć maksymalnie trzy produkty");
		return false;
	}
	return true;
}

function countNotEmpty(array) {

	result = 0;

	for (var i=0;i<array.length; i++) {
		if (array[i] != '') {
			result ++;
		}
	}
	return result;

}

function changeCompare(cbx, id, group) {

	hid = document.getElementById('myHidden');
	hid.value = '';
	if (cbx.checked) {

		if (toCompare>2) {
			alert("Możesz zaznaczyć maksymalnie trzy produkty"); cbx.checked=false;
		}
		else {
			if (tablica[0]=='') tablica[0]=id;
			else if (tablica[1]=='') tablica[1]=id;
			else tablica[2]=id;
			toCompare++;
		}
	}
	else {
		if (tablica[0]==id) tablica[0]='';
		else if (tablica[1]==id) tablica[1]='';
		else tablica[2]='';
		toCompare--;
	}
	writeSelected(tablica, group);
	return true;
}

function cleanSelected(group)
{
		tablica[0]='';
		tablica[1]='';
		tablica[2]='';
		toCompare=0;
		writeSelected(tablica,group);
}

function compa(group) {

	selected = 0;
	if (tablica[0]!='') selected++;
	if (tablica[1]!='') selected++;
	if (tablica[2]!='') selected++;

	if (selected>=2) {
		openNewWindow('/product-comparison.ltr?p1='+tablica[0]+'&p2='+tablica[1]+'&p3='+tablica[2], 900, 700, 'yes', 'yes');
		cleanSelected(group);
		checkSelected();
	}
	else {
		alert("Zaznacz co najmniej 2 produkty");
	}
}

/* ---------- stronicowanie ---- */

var urlParams = new Array()

function gotoUrl() {

	url=pageUrl;
	for(i=0; i<urlParams.length; i++) {
		if (urlParams[i] && urlParams[i]!='') url+=","+urlParams[i].substring(0,1)+urlParams[i].substring(1);
	}
	url+=urlExp;
	document.location.href=url;
	return false;
}

function parseParams(url) {
	params=url.split(',');j=0;
	for(i=0; i<params.length; i++) {
		if(params[i]!='') {urlParams[j]=params[i];j++;}
	}
}

function addVariable(code,value) {
	isThere=false;
	for(i=0; i<urlParams.length; i++) {
		if (urlParams[i] && urlParams[i].indexOf(code)==0) {
			isThere=true;
			if (value=='' || value=='0' || value==0) urlParams[i]=null;
			else urlParams[i]=code+value+"";

		}
	}
	if (!isThere) {
		 urlParams[urlParams.length]=code+value+"";
	}
	return;

}