var st1;
var vyp=0;
var posl=0;
var pozice = 50; 
var st2; 


function VymenIm(obr,nov)
{
   document.images[obr].src=nov;
}


function puzlik(a)
{   
  pozice = 50; 
  vyp=1;
  posl=a;
  document.images["mn2"].src='image/Aktivni_'+a+'a.jpg';
  //document.images["mn2"].src='image/tmave_mleko.jpg';
  
  document.getElementById("puz"+a).style.visibility="visible";
  vis="hidden";
  //vis="visible";
  
  if (a!='11') { document.getElementById("puz11").style.visibility=vis; } 
  if (a!='12') { document.getElementById("puz12").style.visibility=vis; }
  if (a!='13') { document.getElementById("puz13").style.visibility=vis; }
  if (a!='21') { document.getElementById("puz21").style.visibility=vis; }
  if (a!='22') { document.getElementById("puz22").style.visibility=vis; }
  if (a!='23') { document.getElementById("puz23").style.visibility=vis; }
}

function puzlik1(a)
{  
  vyp=1;
  posl=a;
  document.images["mn2"].src='image/Aktivni_'+a+'a.jpg';
  //document.images["mn2"].src='image/tmave_mleko.jpg';
  
  document.getElementById("puz"+a).style.visibility="visible";
  vis="hidden";
  //vis="visible";
  
  if (a!='11') { document.getElementById("puz11").style.visibility=vis; } 
  if (a!='12') { document.getElementById("puz12").style.visibility=vis; }
  if (a!='13') { document.getElementById("puz13").style.visibility=vis; }
  if (a!='21') { document.getElementById("puz21").style.visibility=vis; }
  if (a!='22') { document.getElementById("puz22").style.visibility=vis; }
  if (a!='23') { document.getElementById("puz23").style.visibility=vis; }
}

function pruhledak() {
  if (vyp==0) {
   document.images["mn2"].src='image/neaktiv-p.jpg';
   document.getElementById("puz"+posl).style.visibility="hidden";
  }
 if(window.st1) clearTimeout(st1);
}

function pryc() {
 pozice = 50;
 sT1 = setTimeout("pruhledak()",20);
 vyp = 0;
}
 

function detekce()
{
   vyska=document.body.clientHeight;
   sirka=document.body.clientWidth;
   text=(vyska-139-60);
 // if (text>0) {
      
   vyska3=document.getElementById("stredak").offsetHeight;
   if ((vyska3+139+60)<vyska) { text=vyska3; }
         
   document.getElementById("spodnak").style.height = text+"px";       
   sirka=document.getElementById("spodnak").offsetWidth;
   vyska1=document.getElementById("spodnak").offsetHeight;
   vyska2=document.getElementById("stredak").offsetHeight;
   
   
   if (vyska1<vyska2) { nsirka=(sirka-16);   
       }
    else { nsirka=(sirka+0);    
    } 
 if (vyska1>1) {document.getElementById("hornak").style.width=nsirka+"px";
                document.getElementById("patak").style.width=nsirka+"px";  
                }
   //document.getElementById("textak").innerHTML=vyska1+"--"+vyska2;
// } // text>0
} 


function animujpuzzle() {
  var pole1 = ["0","11", "12", "13","23", "22", "21","11"];
  pozice++;
  if (pozice==17) { pozice=1; }
  if (pozice<8) {
   puzlik1(pole1[pozice]); 
   st2 = setTimeout("animujpuzzle()",500);  
  }  else   
     if(window.st2) clearTimeout(st2);  
} 


function nw(a) {
self.location.href=a;
}

function zobrazakce() {
 if (screen.width>1279) {
   a=document.getElementById("akcevl");
   b=document.getElementById("akcevp");
   if (a!=null) { a.style.display="block";  }
   if (b!=null) { b.style.display="block";  }   
 }
}