var status=new Array();

function showhide(id){
	el=document.getElementById(id).style;
	el.display=(el.display == 'block')?'none':'block';
}

function ia(id){
	el=document.getElementById(id);
	el.className=(el.className == 'inactive')?'active':'inactive';
}

function imgia(id){
	el=document.getElementById(id);
	el.src=(el.src.indexOf('/images/arrow_inactive.png') != -1)?'/images/arrow_active.png':'/images/arrow_inactive.png';
}

function imgiasq(id){
	el=document.getElementById(id);
	el.src=(el.src.indexOf('/images/kocka_inactive.jpg') != -1)?'/images/kocka_active.jpg':'/images/kocka_inactive.jpg';
}

function mimgia(id){
	el=document.getElementById(id);
	inactive=el.src.substr(0,el.src.length-4)+"_active.jpg";
	active=el.src.substr(0,el.src.length-11)+".jpg";
	el.src=(el.src.indexOf('_active') != -1)?active:inactive;
}

function changebg(id) {
	el=document.getElementById(id);
  if(status[id])
  {
  	el.style.backgroundColor="#e4e1d8";
  	status[id] = false;
  }
  else
  {
  	el.style.backgroundColor="#fafaef";
  	status[id] = true;      
  }
}

function changeLarrow(){
	el=document.getElementById("left-arrow");
	el.style.backgroundImage=(el.style.backgroundImage.indexOf('images/left-arrow_active.png') != -1)?'url(images/left-arrow.png)':'url(images/left-arrow_active.png)';
	el.style.cursor=(el.style.cursor == 'pointer')?'auto':'pointer';
}

function changeRarrow(){
	el=document.getElementById("right-arrow");
	el.style.backgroundImage=(el.style.backgroundImage.indexOf('images/right-arrow_active.png') != -1)?'url(images/right-arrow.png)':'url(images/right-arrow_active.png)';
	el.style.cursor=(el.style.cursor == 'pointer')?'auto':'pointer';
}

function redirect(page) {
  window.location.href=page;
}