// inicializace
var elements = document.getElementsByTagName('tr');
for(p = 0; p < elements.length; p++)
{       
    if (elements[p].className == 'commentContent')
    {
        elements[p].style.display = 'none';
    }     
}
elements = document.getElementsByTagName('*');
for(p = 0; p < elements.length; p++)
{       
    if (elements[p].className == 'hidden')
    {
        //elements[p].style.display = '';
        elements[p].className = 'noPrint';
    }     
}
function change(element)
{   
    var id = element.value;    
    var toChange = document.getElementById(id);    
    if (toChange != null)
    {        
        if (element.checked)
        {            
            toChange.style.display = '';
            toChange.className = '';
        }
        else
        {
            toChange.style.display = 'none';            
        }
    }
}    

function changeAll(state)
{
    var elements = document.getElementsByName('commentViewCheckBox');
    for(p = 0; p < elements.length; p++)
    {       
        elements[p].checked = state;
        change(elements[p]);
    }
}