function bubble(id,x,y){
 $(id+'-bubble').setStyle({left:x+'px',top:y+'px'});
        new Effect.Scale(id+'-bubble',100, Object.extend({
          beforeStart:function(effect){
            $(effect.element).style.display = 'block';
            $(effect.element).setOpacity(0);
            $$('#'+id+'-bubble p').each(function(p){p.hide()});
          },
          afterUpdate:function(effect){
            $(effect.element).setOpacity(effect.position);
          },
          scaleFrom:0,
          scaleFromCenter:true,
          afterFinish:function(effect){
            $$('#'+id+'-bubble p').each(function(p){
              new Effect.Appear(p,{duration:0.4});
            });
          }
        }, arguments[3] || {}));        
      }
      
function openMenu(menu) {var submenu = menu+"Content";document.getElementById(submenu).style.display='block';}
function hideMenu(menu) {var submenu = menu+"Content";document.getElementById(submenu).style.display='none';}