function filtera() {
 var o = document.getElementById('nakladni2');
 var vyber = o.options[o.selectedIndex].value;
 if (vyber == '3500') {
  showitinline('container-ccm');
  showitinline('container-kw');
 } else {
  hideit('container-ccm');
  hideit('container-kw');
 }
}


 
function odokry()
{
	// hide every element with class 'tab' 
	var tabs = getElementsByClass('referencia1');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'block';
	var tabs = getElementsByClass('referencia2');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'block';
	var tabs = getElementsByClass('referencia3');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'block';
	var tabs = getElementsByClass('referencia4');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'block';
	
}

function ukaza() 
{ odokry() 
	// hide every element with class 'tab' 
	var tabs = getElementsByClass('referencia4');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia2');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia3');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';		
}

function ukazb() 
{ odokry() 
	// hide every element with class 'tab' 
	var tabs = getElementsByClass('referencia4');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia1');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia3');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';		
}

function ukazc() 
{ odokry() 
	// hide every element with class 'tab' 
	var tabs = getElementsByClass('referencia4');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia2');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia1');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';		
}

function ukazd() 
{ odokry() 
	// hide every element with class 'tab' 
	var tabs = getElementsByClass('referencia1');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia2');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';
	var tabs = getElementsByClass('referencia3');
	for(i=0; i<tabs.length; i++)
		tabs[i].style.display = 'none';		
}

function ukazx() 
{ odokry() 
	 
}
	
 
function getElementsByClass( searchClass, domNode, tagName) {
	if (domNode == null) domNode = document;
	if (tagName == null) tagName = '*';
	var el = new Array();
	var tags = domNode.getElementsByTagName(tagName);
	var tcl = " "+searchClass+" ";
	for(i=0,j=0; i<tags.length; i++) {
		var test = " " + tags[i].className + " ";
		if (test.indexOf(tcl) != -1)
			el[j++] = tags[i];
	}
	return el;
}


function showitinline(what) {
 var o = document.getElementById(what);
 o.style.display = 'inline';
}

function hideit(what) {
 var o = document.getElementById(what);
 o.style.display = 'none';
}

//    <script type="text/javascript">
var rozbalene;
function RozbalMenu(id)
{
 var Rozbal = document.getElementById('main_menu_'+id);
  if (!Rozbal){ return;}

  if(!isNaN(rozbalene)){
	var Zbal = document.getElementById('main_menu_'+rozbalene);
	if (!Zbal){ return;}
	Zbal.style.display = "none";
  }
  if(rozbalene != id){
	rozbalene = id;
	Rozbal.style.display = "block";
  } else {
	rozbalene = NaN;
  }
}
	
function clearText(theFie2ld)
{
if (theFie2ld.defaultValue == theFie2ld.value)
theFie2ld.value = '';
}

function addText(theFie2ld)
{
if (theFie2ld.value == '')
theFie2ld.value = theFie2ld .defaultValue;
}
 

function showtip(){
var Ukaz = document.getElementById('hintbox');
Ukaz.style.visibility="visible";
}
 

function hidetip(){
var Ukaz = document.getElementById('hintbox');
Ukaz.style.visibility="hidden";
}