if(document.images) {
    pics = new Array();
    pics[01] = new Image();
    pics[01].src = "images/spacer.gif";
    pics[02] = new Image();
    pics[02].src = "images/MedLink-EHR-on.png";
    pics[03] = new Image();
    pics[03].src = "images/MedLink-EHR-off.png";
    pics[04] = new Image();
    pics[04].src = "images/EHR sample_image.png";
	pics[05] = new Image();
	pics[05].src = "images/MedLink-IX-on.png";
	pics[06] = new Image();
	pics[06].src = "images/MedLink-IX-off.png";
	pics[07] = new Image();
	pics[07].src = "images/IX banner_image.png";
	pics[08] = new Image();
	pics[08].src = "images/MedLink-HIN-on.png";
	pics[09] = new Image();
	pics[09].src = "images/MedLink-HIN-off.png";
	pics[10] = new Image();
	pics[10].src = "images/HIN_banner_image.png";
	pics[11] = new Image();
	pics[11].src = "images/MedLink-LTP-on.png";
	pics[12] = new Image();
	pics[12].src = "images/MedLink-LTP-off.png";
	pics[13] = new Image();
	pics[13].src = "images/LTP banner_image.png";
	
  }
    function changer2(from,to,from1,to1) {
    if(document.images) {
    document.images[from].src = pics[to].src;
    document.images[from1].src = pics[to1].src;
    }
  }