// JavaScript Document

function switch_news(id){
    el = document.getElementById(id);
    el.style.display = "block";

    if(el.id=="novinky")
    {
    document.getElementById("clanky").style.display = "none";
    document.getElementById("cl").className = "button";
    document.getElementById("no").className = "button selected";
    }
    else
    {
     document.getElementById("novinky").style.display = "none";
     document.getElementById("no").className = "button";
     document.getElementById("cl").className = "button selected";
    }
}

function strom_nastav(){

if(readCookie('lista')==null) createCookie('lista','1',0);

if(readCookie('lista')=='0') {
  document.getElementById('top1').style.display='none';
  document.getElementById('more').style.display='none';
  document.getElementById('less').style.display='block';
  }else{
    document.getElementById('top1').style.display='block';
    document.getElementById('more').style.display='block';
    document.getElementById('less').style.display='none';
    }
}

function strom_rozbal(){
 if(readCookie('lista')==null || readCookie('lista')=='1') {

createCookie('lista','0',0);
  document.getElementById('top1').style.display='none';
  document.getElementById('more').style.display='none';
  document.getElementById('less').style.display='block';
  }else{

createCookie('lista','1',0);
    document.getElementById('top1').style.display='block';
    document.getElementById('more').style.display='block';
    document.getElementById('less').style.display='none';
    }
  }

function introInit() {
	if (readCookie('intro') == null) createCookie('intro', '0', 1);

	if (readCookie('intro') == '0') {
		document.getElementById('intro_obsah').style.display = 'block';
		document.getElementById('intro_obal').style.display = 'block'
	}
	return true;
}

function introClose() {
	createCookie('intro', '1', 1);

	document.getElementById('intro_obsah').style.display = 'none';
	document.getElementById('intro_obal').style.display = 'none';

	return true;
}

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 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 eraseCookie(name) {
	createCookie(name,"",-1);
}

function doSubmit(){

	document.getElementById("formM").submit();

}