function display(myimage) {
 html = "<HTML><HEAD><meta content='index,follow' name='robots' />" 
  + "<style type=text/css>body{font-size:12px;color: #333333;font-family: sans-serif;line-height:12px;margin:0;padding:0;}</style>"
  + "</HEAD><BODY> <CENTER>" 
  + "<a href='javascript:window.close();'><IMG SRC='" + myimage + "' BORDER=0 NAME=image " 
  + "onload='window.resizeTo(document.image.width,document.image.height+50)' /></a>"
  + "</CENTER>" 
  + "</BODY></HTML>";
 popup=
 window.open
  ('','image','toolbar=0,location=0,directories=0,menuBar=0,scrollbars=0,resizable=1');
 popup.document.open();
 popup.document.write(html);
 popup.document.close()
 };
 
 function otevrit(id)
 {
       if(document.getElementById(id)){
           document.getElementById(id).style.display = "block";
       }
 }
 function zavrit(id)
 {
       if(document.getElementById(id)){
           document.getElementById(id).style.display = "none";
       }
 }

 function OtevriZavriSM( OvladamDiv ){
       var blok = document.getElementById( OvladamDiv );
       if( blok.style.display == "none" ){
           blok.style.display = "block";
       } else {
           blok.style.display = "none";
       }
       }
       
 function OtevriZavrikosik( OvladamDiv ){
       var blok = document.getElementById( OvladamDiv );
       if( blok.style.display == "none" ){
           blok.style.display = "block";
       } else {
           blok.style.display = "none";
       }
       }
       
 function OtevriZavri2( OvladamDiv ){
       var blok = document.getElementById( OvladamDiv );
       if( blok.style.display == "none" ){
           blok.style.display = "block";
       } else {
           blok.style.display = "none";
       }
       }
       
 var zobrazena = "linky";
 function zalozky(polozka, obj ){
     if( polozka != zobrazena ){ 
         document.getElementById(zobrazena).style.display= "none";
         document.getElementById(polozka).style.display= "block";
         obj.className="aktivni";
         document.getElementById(zobrazena+"_1").className="";
         zobrazena = polozka;
     }
 }

 function OtevriZavri( OvladanyDiv, obj, isCheckbox  ){

     if( isCheckbox ){
        isCheckbox = true;
     } else {
        isCheckbox = false;
     }

     var pole = OvladanyDiv.split(",");

     if( pole.length > 0 ){

         for (var klic in pole) {

             var blok = document.getElementById( pole[klic] );

             if( blok ){
             
                 if( isCheckbox ){

                     if( obj.checked ){blok.style.display = "block"}
                     else {blok.style.display = "none";}

                 } else {
                     if( blok.style.display == "none" ){ blok.style.display = "block";} 
                     else {blok.style.display = "none";}
                 }

             }
         }
     }
 }
 
 function goForCat(select){
	 window.location.href=select.value;
 }
