function toggleOn( targetId ){
   
   var new_target = targetId+'a';
     if (document.getElementById)
     {
        target = document.getElementById( new_target );
        var newClassName = targetId+'on';
        target.className  = newClassName;
		
     }
 
    }

function toggleOff( targetId ){
    var new_target = targetId+'a';
     if (document.getElementById)
     {
        target = document.getElementById( new_target );
        var newClassName = targetId+'off';
        target.className  = newClassName;

     }
 
    }

function turnOff( targetId ){
     if (document.getElementById){
        target = document.getElementById( targetId );
                target.style.display = "none";
            }
        }
        
function turnOn( targetId ){
     if (document.getElementById){
        target = document.getElementById( targetId );
                target.style.display = "block";
				
            }
        }