// JavaScript Document
function show( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.display == "none"){
  				target.style.display = "";
  			} else {
  				target.style.display = "none";
  			}
  	}
}

function hide( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.display == ""){
  				target.style.display = "none";
  			} else {
  				target.style.display = "none";
  			}
  	}
}

function sbmbg( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.background == ""){
  				target.style.background = "#000";
  			} else {
  				target.style.background = "transparent";
  			}
  	}
}