function show_hide(object, elementhide)
{
    if(object == 'true')
    {
        document.getElementById(elementhide).style.visibility = 'hidden';
        document.getElementById(elementhide).style.display = 'none'; 
    }
    else
    {
       document.getElementById(elementhide).style.visibility = 'visible';
       document.getElementById(elementhide).style.display = 'block';
    }
}