if(document.images) {
  pics = new Array(); 
  pics[1] = new Image();
  pics[1].src = "./images/home.png"; 
  pics[2] = new Image();
  pics[2].src = "./images/over/home.png";

  pics[3] = new Image();
  pics[3].src = "./images/community.png"; 
  pics[4] = new Image();
  pics[4].src = "./images/over/community.png";

  pics[5] = new Image();
  pics[5].src = "./images/downloads.png"; 
  pics[6] = new Image();
  pics[6].src = "./images/over/downloads.png";

  pics[7] = new Image();
  pics[7].src = "./images/accreg.png"; 
  pics[8] = new Image();
  pics[8].src = "./images/over/accreg.png";

  pics[9] = new Image();
  pics[9].src = "./images/accmang.png"; 
  pics[10] = new Image();
  pics[10].src = "./images/over/accmang.png";

  pics[11] = new Image();
  pics[11].src = "./images/manual.png"; 
  pics[12] = new Image();
  pics[12].src = "./images/over/manual.png";

  pics[13] = new Image();
  pics[13].src = "./images/contact.png"; 
  pics[14] = new Image();
  pics[14].src = "./images/over/contact.png";
}

function changer(from,to) {
	if(document.images)
		document.images[from].src = pics[to].src;
}