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window.onload = init;
var langElements = new Array();
function init() {
var els = document.getElementsByTagName( 'pre' );
var elsLen = els.length;
var pattern = new RegExp('(^|\\s)(cs|vb|mc|js)(\\s|$)');
for (i = 0, j = 0; i < elsLen; i++) {
if ( pattern.test(els[i].className) ) {
//els[i].style.background = "#fcc";
langElements[j] = els[i];
j++;
}
}
var lang = getCookie( "lang" );
if ( lang == null ) lang = "cs";
showLang(lang);
}
function getCookie(name) {
var cname = name + "=";
var dc = document.cookie;
if ( dc.length > 0 ) {
begin = dc.indexOf(cname);
if ( begin != -1 ) {
begin += cname.length;
end = dc.indexOf(";",begin);
if (end == -1) end = dc.length;
return unescape(dc.substring(begin, end) );
}
}
}
function setCookie(name,value,expires) {
document.cookie = name + "=" + escape(value) + "; path=/" +
((expires == null) ? "" : "; expires=" + expires.toGMTString());
}
function showLang(lang) {
var pattern = new RegExp('(^|\\s)'+lang+'(\\s|$)');
var elsLen = langElements.length;
for (i = 0; i < elsLen; i++ )
{
var el = langElements[i];
if ( pattern.test( el.className ) )
el.style.display = "";
else
el.style.display = "none";
}
setCookie("lang",lang);
}
function Show( id ) {
document.getElementById(id).style.display = "";
}
function Hide( id ) {
document.getElementById(id).style.display = "none";
}
function ShowCS() {
showLang('cs');
}
function ShowVB() {
showLang('vb');
}
function ShowMC() {
showLang('mc');
}
function ShowJS() {
showLang('js');
}
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