// skryvani obsahu

/***********************************************

* Switch Content script- © Dynamic Drive (www.dynamicdrive.com)

* This notice must stay intact for legal use. Last updated Mar 23rd, 2004.

* Visit http://www.dynamicdrive.com/ for full source code

***********************************************/



var enablepersist="yes" //Enable saving state of content structure using session cookies? (on/off)

var collapseprevious="no" //Collapse previously open content when opening present? (yes/no)



if (document.getElementById){

document.write('<style type="text/css">')

document.write('.switchcontent{display:none;cursor:hand,pointer}')

document.write('.expandcontent{cursor:pointer;;text-decoration: underline;}')

document.write('</style>')

}

//background-color:#F3F3F3;border-left: 2px dotted #FF930D;border-left: 1px solid #133983;





function getElementbyClass(classname){

ccollect=new Array()

var inc=0

var alltags=document.all? document.all : document.getElementsByTagName("*")

for (i=0; i<alltags.length; i++){

if (alltags[i].className==classname)

ccollect[inc++]=alltags[i]

}

}



function contractcontent(omit){

var inc=0

while (ccollect[inc]){

if (ccollect[inc].id!=omit)

ccollect[inc].style.display="none"

inc++

}

}



function expandcontent(cid){

if (typeof ccollect!="undefined"){

if (collapseprevious=="yes")

contractcontent(cid)

document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"

}

}



function revivecontent(){

contractcontent("omitnothing")

selectedItem=getselectedItem()

selectedComponents=selectedItem.split("|")

for (i=0; i<selectedComponents.length-1; i++)

document.getElementById(selectedComponents[i]).style.display="block"

}



function get_cookie(Name) { 

var search = Name + "="

var returnvalue = "";

if (document.cookie.length > 0) {

offset = document.cookie.indexOf(search)

if (offset != -1) { 

offset += search.length

end = document.cookie.indexOf(";", offset);

if (end == -1) end = document.cookie.length;

returnvalue=unescape(document.cookie.substring(offset, end))

}

}

return returnvalue;

}



function getselectedItem(){

if (get_cookie(window.location.pathname) != ""){

selectedItem=get_cookie(window.location.pathname)

return selectedItem

}

else

return ""

}



function saveswitchstate(){

var inc=0, selectedItem=""

while (ccollect[inc]){

if (ccollect[inc].style.display=="block")

selectedItem+=ccollect[inc].id+"|"

inc++

}



document.cookie=window.location.pathname+"="+selectedItem

}



function do_onload(){

uniqueidn=window.location.pathname+"firsttimeload"

getElementbyClass("switchcontent")

if (enablepersist=="on" && typeof ccollect!="undefined"){

document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0" 

firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load

if (!firsttimeload)

revivecontent()

}

}





if (window.addEventListener)

window.addEventListener("load", do_onload, false)

else if (window.attachEvent)

window.attachEvent("onload", do_onload)

else if (document.getElementById)

window.onload=do_onload



if (enablepersist=="on" && document.getElementById)

window.onunload=saveswitchstate

// skryvani obsahu





// skryvani velkych polozek



var canSwitch = false;

if (parseInt(navigator.appVersion) >= 5 && navigator.appName != "Opera" || navigator.userAgent.indexOf("MSIE") != -1) 

{

    canSwitch = true;

}



function s(kat)

{

   if(canSwitch){

      var podmenu;

      if (podmenu = document.getElementById(kat)) {

         var visible = (podmenu.style.display!='none');

         if(visible){

            podmenu.style.display='none';

         }else{

            podmenu.style.display='block';

         }

      }

   }

   return false;

}



// skryvani velkych polozek



function imgs(img)

{



  if (img==0)

  {

   document.getElementById('imgknihovna').src='/admin/img/img_knihovna_neni.jpg';

  }

  else

  {

   document.getElementById('imgknihovna').src='/userfiles/knihovna/small/'+img;  

  }

}