// JavaScript Document
function show(item){
    content = document.getElementById(item);
        ec = document.getElementById("ec|" + item);
                if (content.style.display == "none")    
                {        
                content.style.display = "block";        
                ec.innerHTML = "[-]";
                    }    
                    else    
                    {        
                    content.style.display = "none";
                            ec.innerHTML = "[+]";    
                            }
                            }