var imgLoaded = false;
var imgArray = new Array(11);
var nn = (navigator.appName.indexOf("Netscape") != -1);
var nn6 = (document.getElementById && !document.all);
if (nn6) nn = false;

if (document.images) {
  imgArray[0] = new Array(2);
  imgArray[0][0] = new Image(188,18); 
  imgArray[0][1] = new Image(188,18);
  imgArray[0][0].src = "images/home.gif"; 
  imgArray[0][1].src = "images/home_sel.gif";
  
  imgArray[1] = new Array(2);
  imgArray[1][0] = new Image(188,18); 
  imgArray[1][1] = new Image(188,18);
  imgArray[1][0].src = "images/nnzo.gif"; 
  imgArray[1][1].src = "images/nnzo_sel.gif";

  imgArray[2] = new Array(2);
  imgArray[2][0] = new Image(188,18); 
  imgArray[2][1] = new Image(188,18);
  imgArray[2][0].src = "images/landofthegiants.gif"; 
  imgArray[2][1].src = "images/landofthegiants_sel.gif";

    imgArray[3] = new Array(2);
  imgArray[3][0] = new Image(188,18); 
  imgArray[3][1] = new Image(188,18);
  imgArray[3][0].src = "images/weka.gif"; 
  imgArray[3][1].src = "images/weka_sel.gif";

  imgArray[4] = new Array(2);
  imgArray[4][0] = new Image(188,18); 
  imgArray[4][1] = new Image(188,18);
  imgArray[4][0].src = "images/awc.gif"; 
  imgArray[4][1].src = "images/awc_sel.gif";
  
  imgArray[5] = new Array(2);
  imgArray[5][0] = new Image(188,18); 
  imgArray[5][1] = new Image(188,18);
  imgArray[5][0].src = "images/jail.gif"; 
  imgArray[5][1].src = "images/jail_sel.gif";
  
  imgArray[6] = new Array(2);
  imgArray[6][0] = new Image(188,18); 
  imgArray[6][1] = new Image(188,18);
  imgArray[6][0].src = "images/owlsmere.gif"; 
  imgArray[6][1].src = "images/owlsmere_sel.gif";

  imgArray[7] = new Array(2);
  imgArray[7][0] = new Image(188,18); 
  imgArray[7][1] = new Image(188,18);
  imgArray[7][0].src = "images/other.gif"; 
  imgArray[7][1].src = "images/other_sel.gif";
  
  imgArray[8] = new Array(2);
  imgArray[8][0] = new Image(188,18); 
  imgArray[8][1] = new Image(188,18);
  imgArray[8][0].src = "images/otherinfo.gif"; 
  imgArray[8][1].src = "images/otherinfo_sel.gif";

  imgArray[9] = new Array(2);
  imgArray[9][0] = new Image(188,18); 
  imgArray[9][1] = new Image(188,18);
  imgArray[9][0].src = "images/wheretofindus.gif"; 
  imgArray[9][1].src = "images/wheretofindus_sel.gif";

  imgArray[10] = new Array(2);
  imgArray[10][0] = new Image(188,18); 
  imgArray[10][1] = new Image(188,18);
  imgArray[10][0].src = "images/contactus.gif"; 
  imgArray[10][1].src = "images/contactus_sel.gif";

  imgArray[11] = new Array(2);
  imgArray[11][0] = new Image(188,18); 
  imgArray[11][1] = new Image(188,18);
  imgArray[11][0].src = "images/links.gif"; 
  imgArray[11][1].src = "images/links_sel.gif";

  imgLoaded = true;
}

function IOn(imgNum) {
  if (document.images && imgLoaded) {
    if (nn) {
	  document.layers[0].document.images[imgNum].src = imgArray[imgNum][1].src;
    }
	else
	if (!nn6) {
	  document.images[imgNum].src = imgArray[imgNum][1].src;
	}
  }
}

function IOff(imgNum) {
  if (document.images && imgLoaded) {
    if (nn) {
	  document.layers[0].document.images[imgNum].src = imgArray[imgNum][0].src;
    }
	else
	if (!nn6) {
	  document.images[imgNum].src = imgArray[imgNum][0].src;
	}
  }
}