var obr= new Array();
if (document.images) {
  obr["loading"]=new Image(64,64);
  obr["loading"].src="img/ajax-loader.gif";
}


function nacitaj(url,kam_zobrazit,query,loader,prisposob) {
  if (kam_zobrazit=="hlavny_div") {
    zavri_okno();
  }
  var httpRequest;
  if (kam_zobrazit!="nikam") {
      if (loader==true) {
        document.getElementById(kam_zobrazit).innerHTML=("<div align=\"center\"><img width=\"32\" height=\"32\" alt=\"AJAX Loader\" src=\""+obr["loading"].src+"\"\/><span style=\"color:#abcdef;font-family:'Arial Black', Arial, sans-serif;font-weight: 900;font-size:16px\"><br\/>Načítam..<\/span><\/div>");
      }
      else {
        if (document.getElementById(kam_zobrazit).offsetWidth<=250 && document.getElementById(kam_zobrazit).offsetHeight<=250) {
          var div=document.createElement("div");
          div.style.position="absolute";
          div.style.backgroundImage="url(img/tien.png)";
          div.style.textAlign="center";
          div.innerHTML=("<img width=\"32\" height=\"32\" alt=\"AJAX Loader\" src=\""+obr["loading"].src+"\"\/>");
          document.getElementById(kam_zobrazit).insertBefore(div, document.getElementById(kam_zobrazit).firstChild);
          div.style.left=Math.round(findPos(document.getElementById(kam_zobrazit))[0]+document.getElementById(kam_zobrazit).offsetWidth/2-div.offsetWidth/2)+"px";
        }
        else {
        var div=document.createElement("div");
        div.style.position="absolute";
        div.style.backgroundImage="url(img/tien.png)";
        div.style.padding="20px";
        div.style.textAlign="center";
        div.innerHTML=("<img width=\"32\" height=\"32\" alt=\"AJAX Loader\" src=\""+obr["loading"].src+"\"\/><span style=\"color:#abcdef;font-family:'Arial Black', Arial, sans-serif;font-weight: 900;font-size:16px\"><br\/>Načítam..<\/span>");
        document.getElementById(kam_zobrazit).insertBefore(div, document.getElementById(kam_zobrazit).firstChild);
        div.style.left=Math.round(div.offsetLeft+document.getElementById(kam_zobrazit).offsetWidth/2-div.offsetWidth/2)+"px";
        }
      }
  }
  if (window.XMLHttpRequest) {
    httpRequest=new XMLHttpRequest();
  }
  else if (window.ActiveXObject) {
    try {
      httpRequest=new ActiveXObject("Msxml2.XMLHTTP");
    } 
    catch (error) {
      httpRequest=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  httpRequest.open("post", url, true);
  httpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=UTF-8');
  httpRequest.send('cas='+new Date().getTime()+query);
  httpRequest.onreadystatechange=function () {processRequest(httpRequest,kam_zobrazit,prisposob);};
}

function processRequest(httpRequest,kam_zobrazit,prisposob) {
  if (httpRequest.readyState == 4) {
    if(httpRequest.status == 200) {
      if (kam_zobrazit!="nikam") {
        document.getElementById(kam_zobrazit).innerHTML=httpRequest.responseText;
        var sc_obj=document.getElementById(kam_zobrazit).getElementsByTagName("script");
        if (sc_obj) {
          for (var i=0;i<parseInt(sc_obj.length);i++) {
            var script=document.createElement('script');
            script.type='text/javascript';
            script.text=sc_obj[i].text;
            try {
              document.getElementById(kam_zobrazit).replaceChild(script,sc_obj[i]);
            }
            catch (err) {
              document.getElementById(kam_zobrazit).appendChild(script);
            }
          }
        }
      }
    }
    else {
      if (kam_zobrazit!="nikam") {
        document.getElementById(kam_zobrazit).innerHTML=("<span style=\"color:#f22929;font-family:'Arial Black', Arial, sans-serif;font-weight: 900;font-size:24px\">FATAL ERROR #"+ httpRequest.status +" >> "+ httpRequest.statusText +"<\/span>");
      }
    }
  }
}


function nove_okno(nezatvoritelne,okno_style,okno_align) {
  zavri_okno();
  var str_innerhtml="";
  str_innerhtml="<table style=\"width:100%;height:100%;background-image:url(img/tien.png);\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
  str_innerhtml+="  <tr>";
  str_innerhtml+="    <td align=\"center\" valign=\"middle\">";
  str_innerhtml+="      <table id=\"table_okno\" style=\"";
  if (okno_style){
    str_innerhtml+=okno_style;
  }
  str_innerhtml+="color:silver;font-family:Tahoma;font-size:12px;\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
  str_innerhtml+="        <tr>";
  str_innerhtml+="          <td style=\"width:22px;height:22px;background-image:url(img/okno/lavy_horny_roh2.png);background-position:bottom;background-repeat:no-repeat;\">&nbsp;</td>";
  str_innerhtml+="          <td align=\"center\" style=\"background-image:url(img/okno/horne_pozadie.png);background-position:bottom;background-repeat:repeat-x;\">";
  str_innerhtml+="            <table style=\"width:100%;height:22px;\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
  str_innerhtml+="              <tr>"; 
  if (nezatvoritelne!=true) {
    str_innerhtml+="                <td align=\"center\"><div style=\"height:22px;margin-left:83px;margin-right:30px;font-family:'Arial Black', Arial, sans-serif;font-weight: 900;font-size:16px;color:#5a5a5a;\" id=\"nadpis_okna\">&nbsp;</div></td>";
    str_innerhtml+="                <td style=\"width:53px;height:22px;\">";
    str_innerhtml+="<div style=\"width:53px;height:22px;background-image:url(img/close.png);cursor:url(cursor/link.cur),default;\" onclick=\"javascript:zavri_okno();\"></div>";
    str_innerhtml+="                </td>";
  }
  else {
      str_innerhtml+="                <td align=\"center\"><div style=\"height:22px;font-family:'Arial Black', Arial, sans-serif;font-weight: 900;font-size:16px;color:#5a5a5a;\" id=\"nadpis_okna\">&nbsp;</div></td>";
  }
  
  str_innerhtml+="              </tr>";
  str_innerhtml+="            </table>";
  str_innerhtml+="          </td>";
  
  str_innerhtml+="          <td style=\"width:22px;background-image:url(img/okno/pravy_horny_roh2.png);background-position:bottom;background-repeat:no-repeat;\">&nbsp;</td>";
  str_innerhtml+="        </tr>";
  str_innerhtml+="        <tr>";
  str_innerhtml+="          <td style=\"width:22px;background-image:url(img/okno/pozadie.png);\">&nbsp;</td>";
  str_innerhtml+="          <td id=\"table_align\" align=\"left\" valign=\"";
  if (okno_align){
    str_innerhtml+=okno_align;
  }
  else {
    str_innerhtml+="middle";
  }
  str_innerhtml+="\" style=\"background-image:url(img/okno/pozadie2.png);\"><div class=\"text\" id=\"obsah_okna\"></div></td>";
  str_innerhtml+="          <td style=\"width:12px;background-image:url(img/okno/pozadie.png);\">&nbsp;</td>";
  str_innerhtml+="        </tr>";
  str_innerhtml+="        <tr>";
  str_innerhtml+="          <td style=\"width:22px;height:22px;background-image:url(img/okno/lavy_dolny_roh2.png);background-position:top;background-repeat:no-repeat;\">&nbsp;</td>";
  str_innerhtml+="          <td style=\"background-image:url(img/okno/dolne_pozadie.png);background-position:top;background-repeat:repeat-x;\">&nbsp;</td>";
  str_innerhtml+="          <td style=\"background-image:url(img/okno/pravy_dolny_roh2.png);background-position:top;background-repeat:no-repeat;\">&nbsp;</td>";
  str_innerhtml+="        </tr>";
  str_innerhtml+="      </table>";
  str_innerhtml+="    </td>";
  str_innerhtml+="  </tr>";
  str_innerhtml+="</table>";
  var obj_okno=document.createElement("div");
  obj_okno.id='okno';
  document.getElementsByTagName("body")[0].appendChild(obj_okno);
  obj_okno.innerHTML=str_innerhtml;
  obj_okno.style.position="fixed";
  obj_okno.style.zIndex="99";
  obj_okno.style.width="100%";
  obj_okno.style.height="100%";
  obj_okno.style.top="0px";
  obj_okno.style.left="0px";

}



function zavri_okno() {
  if(document.getElementById("okno")) {document.getElementsByTagName("body")[0].removeChild(document.getElementById("okno"));}
}

var sirka_obr=0;
var vyska_obr=0;
window_resize();

function window_resize() {
  var test_okno=document.createElement("div");
  document.getElementsByTagName("body")[0].appendChild(test_okno);
  test_okno.style.position="absolute";
  test_okno.style.zIndex="-1";
  test_okno.style.top=document.body.scrollTop;
  test_okno.style.left=document.body.scrollLeft;
  test_okno.style.width="100%";
  test_okno.style.height="100%";
  
  sirka_obr=test_okno.offsetWidth;
  vyska_obr=test_okno.offsetHeight;
  
  document.getElementsByTagName("body")[0].removeChild(test_okno);
  
  if (document.getElementById("okno")) {

  }
  else {
    zavri_okno();
  }
}

window.onload=function(){
  window_resize();
}

window.onresize=function(){
  window_resize();
}


function nahlad(ktore_nahlad) {
  var obrazky=document.getElementById("gal_table").getElementsByTagName("img");
  if (ktore_nahlad>=obrazky.length) {
    ktore_nahlad=0;
  }
  if (ktore_nahlad<0) {
    ktore_nahlad=obrazky.length-1;
  }

  nove_okno(false);
  document.getElementById("nadpis_okna").innerHTML="<button style=\"background:none;width:40px;border:none;font-family:'Arial Black', Arial, sans-serif;font-weight: 900;font-size:14px;color:#5a5a5a;cursor:url(cursor/link.cur),default;position:relative;top:-3px;\" onclick=\"javascript:nahlad("+(ktore_nahlad-1)+");\">&laquo;</button>&nbsp;&nbsp;Galéria&nbsp;&nbsp;<button style=\"background:none;width:40px;border:none;font-family:'Arial Black', Arial, sans-serif;font-weight: 900;font-size:14px;color:#5a5a5a;cursor:url(cursor/link.cur),default;position:relative;top:-3px;\" onclick=\"javascript:nahlad("+(ktore_nahlad+1)+");\">&raquo;</button>";
  str_innerhtml="";
  str_innerhtml+="<div id=\"loading\" style=\"min-width:64px;min-height:64px;background-repeat:no-repeat;background-position:center center;background-image:url(img/ajax-loader.gif);\"><img id=\"obj_obr\" style=\"margin:auto;display:block;\" alt=\"\" onclick=\"javascript:window.open('"+obrazky[ktore_nahlad].alt+"','download','');\" /></div>";
    
  document.getElementById("obsah_okna").innerHTML=str_innerhtml;
  document.getElementById("obj_obr").src="nahlad.php?w="+Math.round(sirka_obr*0.8)+"&h="+Math.round(vyska_obr*0.8)+"&image="+obrazky[ktore_nahlad].alt;
}