function collapseComment(id, sender) {    
    var com = document.getElementById('comBlock'+id);
    if (com.style.display == 'none')
    {             
        com.style.display ='block';          
    } else
    { 
        com.style.display='none';                        
    }
}

function collapseChildComments(id, sender)
{
    var com = document.getElementById('comBlock'+id);
    if (com.style.display == 'none')
    {     
        com.style.display ='block';        
        var dosc = com.getElementsByTagName("div");
    
        for (i=0; i<dosc.length; i++) {    
            if (dosc[i].id != null) {
            if (dosc[i].id.substring(0,8)=='comBlock' && dosc[i].id.substring(0,12) != 'comBlockMain')
                dosc[i].style.display='block';                
        }         
        }        
    } else
    {   
        com.style.display='none';        
        var dosc = com.getElementsByTagName("div");
    
        for (i=0; i<dosc.length; i++) {    
            if (dosc[i].id != null) {
            if (dosc[i].id.substring(0,8)=='comBlock' && dosc[i].id.substring(0,12) != 'comBlockMain')
                dosc[i].style.display='none';                
        }            
        }                  
    }
}

function showAllComments()
{    
    var dosc = document.getElementById('commentsList').getElementsByTagName("div");
    
    for (i=0; i<dosc.length; i++) {    
        if (dosc[i].id != null) {
            if (dosc[i].id.substring(0,8)=='comBlock' && dosc[i].id.substring(0,12) != 'comBlockMain')
                dosc[i].style.display='block';                
        }
    }        
}

function hideAllComments()
{        
 var dosc = document.getElementById('commentsList').getElementsByTagName("div");
    
    for (i=0; i<dosc.length; i++) {    
        if (dosc[i].id != null) {
            if (dosc[i].id.substring(0,8)=='comBlock' && dosc[i].id.substring(0,12) != 'comBlockMain')
                dosc[i].style.display='none';                
        } 
    }        
}