// autoklip pro hasice
/*
vypnuto LS 7.12.2006 - pouzito CSS pozicovani

function clip_hasic() {
  //napred natahnem hasice na celou vysku 
  X = document.getElementById('hasic');
  X.style.height = document.body.scrollHeight;   
  add = 181; // vyska veci nad posledni polozkou                   
  X = document.getElementById('lastmenu');
  if (X) {
    clipH = add + X.offsetTop;
    } 
  else { 
    clipH = add;
    }
  X = document.getElementById('hasic');
  if (X) {
    X.style.clip = "rect("+clipH+"px, 180px, 100%, 0px)";
    }
  X.style.display = "block";   
  }
*/  
  
// zapinani a vypinani stromku
function toggleshow(eid, img) {
  X = document.getElementById(eid);
  if (X) {          
    if (((X.className.indexOf("rozbal")>-1)&&(X.style.display==""))||
        (X.style.display=="block")) { 
      X.style.display = "none";           
      if (img.src.indexOf("minusposl.gif")!=-1) {
        img.src = "layout/plusposl.gif";
        } else {
        img.src = "layout/plus.gif";
        }
      } else { 
      X.style.display = "block";
      if (img.src.indexOf("plusposl.gif")!=-1) {
        img.src = "layout/minusposl.gif";
        } else {
        img.src = "layout/minus.gif";
        }
      }
    }  
  }

function pridejscroll(lnk) {
  if (lnk.href.indexOf("?")>0) {
    lnk.href = lnk.href + "&scroll=" + document.body.scrollTop;
    } else {
    lnk.href = lnk.href + "?scroll=" + document.body.scrollTop;
    }
  }  
   
var defvyskastromu = 150;
var vyskastromu = defvyskastromu;
var maxvyskastromu = 300;
var skokstromu = 50;
var stromon = true;   
function stromplus() {
  if (stromon) {
    vyskastromu += skokstromu;
    if (vyskastromu>maxvyskastromu) { vyskastromu = maxvyskastromu };
    X = document.getElementById('stromek');
    X.style.height = vyskastromu;
    X = document.getElementById('trpaslik');
    X.src = "trpaslik.php?akce=tree&height="+vyskastromu;
    }
  }
function stromminus() {
  if (stromon) {
    vyskastromu -= skokstromu;
    if (vyskastromu<0) { vyskastromu = 0 };
    X = document.getElementById('stromek');
    X.style.height = vyskastromu;
    X = document.getElementById('trpaslik');
    X.src = "trpaslik.php?akce=tree&height="+vyskastromu;
    }
  }  
function stromonoff() {
  if (stromon) {
    X = document.getElementById('stromek');
    X.style.display = 'none';
    X = document.getElementById('ikoonoff');
    X.src = "layout/ikomax.gif";
    X.alt = "Zobrazit kategorie";
    stromon = false;
    } else {
    X = document.getElementById('stromek');
    X.style.display = 'block';
    X = document.getElementById('ikoonoff');
    X.src = "layout/ikomin.gif";
    X.alt = "Skrýt kategorie";
    stromon = true;
    }
  }  
    
    
function openWin(url, winWidth, winHeight, winRes) {
  if (winRes==1) { stat="resizable=1,scrollbars=1"; }
            else { stat="resizable=0,scrollbars=0"; };
  // calculate centered window position
  if (url == 'napoveda.php?stranka=detail.php' || url == 'napoveda.php?stranka=objdetail.php'){
    winLeft = 10;
    winTop  = 10;
  }
  else{
    winLeft = Math.round((screen.width-winWidth)/2);
    winTop  = Math.round((screen.availHeight-winHeight)/2);
  }  
  winDef = "left="+winLeft+",top="+winTop+",height="+winHeight+",width="+winWidth+",directories=no,location=no,menubar=no,status=no,toolbar=no,"+stat;
  window.open(url, "", winDef);
 // return true;
  }