address = new Array(13);
address[1] = "Buffalo_Bill.htm";
address[2] = "Yellowstone.htm";
address[3] = "Bozeman.htm";
address[4] = "Bitterroot.htm";
address[5] = "Flathead.htm";
address[6] = "Glacier.htm";
address[7] = "Waterton.htm";
address[8] = "Pend_Oreille.htm";
address[9] = "Spokane.htm";
address[10] = "Hells_Canyon.htm";
address[11] = "Sawtooth.htm";
address[12] = "Craters.htm";
address[13] = "Tetons.htm";
address[14] = "Fremont_Lake.htm";
address[15] = "Jenny_Lake.htm";
address[16] = "Mesa_Falls.htm";
address[17] = "Yellowstone_north.htm";

function letsGo(i)
   { location = address[i]; }


menuImages = new Array(17)
for(i = 0; i < 18; i++)
   {
   menuImages[i] = new Image(355,140)
   menuImages[i].src = ""+i+".gif"
   }

function on_image(loc, img)
   { loc.src=menuImages[img].src; }

function off_image(loc, img) 
   { loc.src=menuImages[img].src; }