function checkJavascript()
{
    document.getElementById('noJavascript').style.display = 'none';
    document.getElementById('content').style.display = 'block';
}

function submitform(formname)
{
    document.getElementById(formname).submit();
}

function selectAll( form, selectButton) {
    for (var i = 0; i < document.getElementById(form).length; i=i+1) {
        var e = document.getElementById(form).elements[i];
        if ((e.name != 'allbox') && (e.type == 'checkbox')) {
            e.checked = document.getElementById(selectButton).checked;
        }
    }
}

function Smile(s, textarea){
    document.getElementById(textarea).value+=" "+s+" ";
    document.getElementById(textarea).focus();

}

function showElement( element, direction, minimizer ){
    if (direction == 'down'){
        Effect.SlideDown(element, {
            duration: 2.0
        });
        document.getElementById(minimizer).onclick = function(){
            showElement( element, 'up', minimizer )
        };
    }
    if (direction == 'up'){
        Effect.SlideUp(element, {
            duration: 2.0
        });
        document.getElementById(minimizer).onclick = function(){
            showElement( element, 'down', minimizer )
        };
    }
    if (direction == 'visible'){
        document.getElementById(element).style.display = 'block';
        document.getElementById(minimizer).onclick = function(){
            showElement( element, 'invisible', minimizer )
        };
    }
    if (direction == 'invisible'){
        document.getElementById(element).style.display = 'none';
        document.getElementById(minimizer).onclick = function(){
            showElement( element, 'visible', minimizer )
        };
    }
}

var title = document.title;
var os;
if(document.layers)
    os = "n4";
else if(document.getElementById&&!document.all)
    os = "n6";
else if(document.all)
    os = "ie";

function bookmark(){
    var url = window.location;
    var title = document.title;

    if(window.sidebar){
        if(title!="")
            window.sidebar.addPanel(title,url,"");
        else
            window.sidebar.addPanel(url,url,"");
    }
    else if(window.opera && window.print){
        alert("Použite CTRL+D");
    }
    else if(os == "ie")
        window.external.AddFavorite(url,title);
    else{
        alert("Použite CTRL+D");
    }
}