function edit(target)
{                                                         
  document.getElementById(target).style.display='none';
  document.getElementById(target+'_edit').style.display='block';
}

function cancel(target)
{                                                         
  document.getElementById(target).style.display='block';
  document.getElementById(target+'_edit').style.display='none';   
} 

function display_menuedit(target)
{     
  document.getElementById(target).style.display='block';
}

function hide_menuedit(target)
{     
  document.getElementById(target).style.display='none';
}

function help(target)
{
     if(document.getElementById(target).style.display=='none')
        document.getElementById(target).style.display='block';
     else if(document.getElementById(target).style.display=='block')                         
        document.getElementById(target).style.display='none';
     else
        document.getElementById(target).style.display='block';
}