//botao Home
  HomeNormal = new Image;
  HomeNormal.src = "menu/Home.gif";
  HomeOver= new Image;
  HomeOver.src = "menu/Home_2.gif";
///////////////////////////////////
//botao CFP
  CFPNormal = new Image;
  CFPNormal.src = "menu/CFP.gif";
  CFPOver= new Image;
  CFPOver.src = "menu/CFP_2.gif";
///////////////////////////////////
//botao PC
  PCNormal = new Image;
  PCNormal.src = "menu/PC.gif";
  PCOver= new Image;
  PCOver.src = "menu/PC_2.gif";
///////////////////////////////////
//botao KL
  KLNormal = new Image;
  KLNormal.src = "menu/KeynoteLectures.gif";
  KLOver= new Image;
  KLOver.src = "menu/KeynoteLectures_2.gif";
///////////////////////////////////
//botao T
  TNormal = new Image;
  TNormal.src = "menu/Tutorials.gif";
  TOver= new Image;
  TOver.src = "menu/Tutorials_2.gif";




function Swap(x, y)
{ 
document.images[x].src=eval(y+'.src');
}