/**
 * hide & show
 */

function showItem(_levelId ) {
	var thisItem  = document.getElementById(_levelId );
	if(thisItem.style.display == "none"){
	 thisItem.style.display = "block";
  }else{
    hideItem(_levelId);
  }
}	

function hideItem(_levelId){
  var thisLevel = document.getElementById( _levelId );
  thisLevel.style.display = "none";
}

/**
 * load menu
 */
$(function() { $(".menu").lavaLamp({ fx: "backout", speed: 700 })});