// MegaFun JavaScript 

function head_odkazy(odkaz, zmena, vyber) 
{
  celkem = 3;
    
  if(zmena == 1) {
    if(odkaz == 1) {
      document.getElementById('o0').className = "head_odkazy_left_g";
      document.getElementById('o2').className = "head_odkazy_mid_go";
      if(vyber == 2) document.getElementById('o2').className = "head_odkazy_mid_gv";
    }
    else if(odkaz == celkem) {
      document.getElementById('o' + (celkem + 1)).className = "head_odkazy_right_g";
      document.getElementById('o' + celkem).className = "head_odkazy_mid_og";
      if(vyber == celkem - 1) document.getElementById('o' + celkem).className = "head_odkazy_mid_vg";
    }
    else {
      document.getElementById('o' + (odkaz + 1)).className = "head_odkazy_mid_go";
      document.getElementById('o' + odkaz).className = "head_odkazy_mid_og";
      if(vyber == celkem) {
        document.getElementById('o' + (odkaz + 1)).className = "head_odkazy_mid_gv";
      }
      else if(vyber == odkaz - 1) document.getElementById('o' + odkaz).className = "head_odkazy_mid_vg";
    }
  }
  else {
    if(odkaz == 1) {
      document.getElementById('o0').className = "head_odkazy_left";
      document.getElementById('o2').className = "head_odkazy_mid";
      if(vyber == 1) {
        document.getElementById('o0').className = "head_odkazy_left_v";
        document.getElementById('o2').className = "head_odkazy_mid_vo";
      }
      else if(vyber == 2) document.getElementById('o2').className = "head_odkazy_mid_ov";
    }
    else if(odkaz == celkem) {
      document.getElementById('o' + (celkem + 1)).className = "head_odkazy_right";
      document.getElementById('o' + celkem).className = "head_odkazy_mid";
      if(vyber == celkem) {
        document.getElementById('o' + (celkem + 1)).className = "head_odkazy_right_v";
        document.getElementById('o' + celkem).className = "head_odkazy_mid_ov";
      }
      if(vyber == celkem - 1) document.getElementById('o' + celkem).className = "head_odkazy_mid_vo";
    }
    else {
      if(vyber != -1 && vyber != 1 && vyber != celkem) {
        document.getElementById('o' + (odkaz + 1)).className = "head_odkazy_mid_vo";
        document.getElementById('o' + odkaz).className = "head_odkazy_mid_ov";
      }
      else {
        document.getElementById('o' + (odkaz + 1)).className = "head_odkazy_mid";
        document.getElementById('o' + odkaz).className = "head_odkazy_mid";
        if(vyber == celkem) {
          document.getElementById('o' + (odkaz + 1)).className = "head_odkazy_mid_ov";
        }
        else if(vyber == 1) document.getElementById('o2').className = "head_odkazy_mid_vo";
      }
    }
  }
}
  
function hledat_clear()
{
  if(document.forms['hledat_form']['hledat'].value == "Hledat") document.forms['hledat_form']['hledat'].value = "";
}
  
function AddSmile(smile)
{
  document.getElementById('komentar_pridat').value = document.getElementById('komentar_pridat').value + ' *' + smile + '* ';
}

function Show(show)
{
  if(show) {
    document.getElementById("smile").style.display = "inline";
    document.getElementById("more").style.display = "none";
  }
  else {
    document.getElementById("smile").style.display = "none";
    document.getElementById("more").style.display = "inline";
  }
}

function ShowText(object)
{
  text = document.getElementById(object).style.display;

  if(text == "block") {
    text = "none";
  }
  else {
    text = "block";
  }
  
  document.getElementById(object).style.display = text;
}

function ShowText2(object)
{
  text = document.getElementById(object).style.display;

  if(text == "none") {
    text = "block";
  }
  else {
    text = "none";
  }
  
  document.getElementById(object).style.display = text;
}

function Rozmer()
{
  sirka = document.getElementById('sirka2').value;
  vyska = document.getElementById('vyska2').value;

  if(sirka != "" && vyska != "" && sirka != 0 && vyska != 0) {
    for(i = 2; i <= sirka && i <= vyska; i++) {
      if(sirka % i == 0 && vyska % i == 0) {
        sirka = sirka / i;
        vyska = vyska / i;
        i--;
      }
    }
    
    document.getElementById('sirka').value = sirka;
    document.getElementById('vyska').value = vyska;
  }
}

function RozmerVybrat(text)
{
    var text2 = text.split(" ");
    
    document.getElementById('sirka').value = text2[0];
    document.getElementById('vyska').value = text2[1];
}

// preload 
image1 = new Image(); image2 = new Image(); image3 = new Image(); image4 = new Image(); image5 = new Image();
image6 = new Image(); image7 = new Image(); image8 = new Image(); image9 = new Image(); image10 = new Image();
image11 = new Image(); image12 = new Image(); image13 = new Image(); image14 = new Image(); image15 = new Image(); image16 = new Image();
image1.src = "../Images/head_odkaz_bg.gif";
image2.src = "../Images/head_odkaz_bg_g.gif";
image3.src = "../Images/head_odkaz_bg_v.gif";
image4.src = "../Images/head_odkazy_mid.gif";
image5.src = "../Images/head_odkazy_mid_og.gif";
image6.src = "../Images/head_odkazy_mid_go.gif";
image7.src = "../Images/head_odkazy_mid_vo.gif";
image8.src = "../Images/head_odkazy_mid_ov.gif";
image9.src = "../Images/head_odkazy_mid_vg.gif";
image10.src = "../Images/head_odkazy_mid_gv.gif";
image11.src = "../Images/head_odkazy_left.gif";
image12.src = "../Images/head_odkazy_left_g.gif";
image13.src = "../Images/head_odkazy_left_v.gif";
image14.src = "../Images/head_odkazy_right.gif";
image15.src = "../Images/head_odkazy_right_g.gif";
image16.src = "../Images/head_odkazy_right_v.gif";

function bookmarksite(title,url){
if (window.sidebar) // firefox
	window.sidebar.addPanel(title, url, "");
else if(window.opera && window.print){ // opera
	var elem = document.createElement('a');
	elem.setAttribute('href',url);
	elem.setAttribute('title',title);
	elem.setAttribute('rel','sidebar');
	elem.click();
} 
else if(document.all)// ie
	window.external.AddFavorite(url, title);
}