//funkcje do podmiany zdjec
function fon(n){document.images[n].src='grafika/'+n+'1.gif';}
function foff(n){document.images[n].src='grafika/'+n+'.gif';}

//funkcja do wyswietlania popupu
var okno_pop='';
function popup(wi,he,uerel,alignx,aligny,scrol)
{
	// Bartosz Szczecinski
  // 20.04.2006
  // Opera 8.x nie obsluguje !okno_pop.closed
	if(okno_pop && okno_pop.closed==false) {
  	okno_pop.close()
  }
	if(wi=='100%'){wi=screen.availWidth-30}
	if(he=='100%'){he=screen.availHeight-0}
	if(alignx=='left'){xx=0}
	else if(alignx=='right'){xx=(screen.availWidth-wi)-10}
	else{xx=(screen.availWidth-wi)/2}
	if(aligny=='top'){yy=0}
	else if(aligny=='bottom'){yy=(screen.availHeight-he)}
	else{yy=(screen.availHeight-he)/2}
	okno_pop=window.open(uerel, '_blank', 'scrollbars='+scrol+',height='+he+',width='+wi+',top='+yy+',left='+xx);
}

function blurall() {
	var links = document.getElementsByTagName('a');
	for (var i=0;i<links.length;i++){
		links[i].onfocus = blurme;
  	}
}

function blurme()
{
	this.blur();
}


function printversion(id,path)
{
	var okno='';
	(okno && !okno.closed)?okno.close():'';
	he=400;
    wi=730;
	xx=(screen.availHeight-he)/2-10;
	yy=(screen.availWidth-wi)/2;
	okno=window.open('print_version.php?id='+id, '_blank', 'menubar=yes,scrollbars=yes,height='+he+',width='+wi+',top='+xx+',left='+yy);
}


function redirect(filter) {	
	document.location = '?filter='+filter.name+':'+filter.value+document.getElementById('pro_query').value+'&sort='+document.getElementById('sort').value+'&cena_od='+document.getElementById('cena_od').value+'&cena_do='+document.getElementById('cena_do').value;
}

var url;
var element;
var active;

function tabOn(elem) {
  url = elem.src.split('tabs/');
  element = url[1];
  url = url[0]+'tabs/';

  active = element.indexOf('active');
  if(active!=-1) {
  	return;
  }
  elem.src = url+'active_'+element;
}

function tabOff(elem) {
	if(active!=-1) return;
  elem.src = url+element; 
}

function porownania(element) {
	var counter = document.getElementById('por');
	if(element.checked) {
		if(counter) {
			var count = parseInt(counter.innerHTML);
			counter.innerHTML = count+1;
		}
		//document.cookie = 'porownanie['+element.value+']=1';
    createCookie('porownanie['+element.value+']', 1);    
	}
	else {
		if(counter) {
			var count = parseInt(counter.innerHTML);
			counter.innerHTML = count-1;
		}
		//document.cookie = 'porownanie['+element.value+']=0';
    createCookie('porownanie['+element.value+']', 0);
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function reloadForValid(value) {
	var a = '' + document.location;
  if(a.indexOf('?') > -1) {
		document.location = document.location + '&onlyValid=' + value;
  }
  else {
		document.location = '?onlyValid=' + value;  
  }
}