function img_0(img_name) { document.images[img_name].src=eval(img_name+'_0.src'); }
function img_1(img_name) { document.images[img_name].src=eval(img_name+'_1.src'); }

var HOME_0		=new Image();		HOME_0.src      ="images/home_0.gif";
var HOME_1		=new Image();		HOME_1.src      ="images/home_1.gif";

var OVERVIEW_0	=new Image();		OVERVIEW_0.src  ="images/overview_0.gif";
var OVERVIEW_1	=new Image();		OVERVIEW_1.src  ="images/overview_1.gif";

var CHARGES_0	=new Image();		CHARGES_0.src	="images/charges_0.gif";
var CHARGES_1	=new Image();		CHARGES_1.src	="images/charges_1.gif";

var BIRDING_0	=new Image();		BIRDING_0.src	="images/birding_0.gif";
var BIRDING_1	=new Image();		BIRDING_1.src	="images/birding_1.gif";

var WALKING_0	=new Image();		WALKING_0.src	="images/walking_0.gif";
var WALKING_1	=new Image();		WALKING_1.src	="images/walking_1.gif";

var CONTACT_0	=new Image();		CONTACT_0.src	="images/contact_0.gif";
var CONTACT_1	=new Image();		CONTACT_1.src	="images/contact_1.gif";

var ALPACAS_0	=new Image();		ALPACAS_0.src	="images/alpacas_0.gif";
var ALPACAS_1	=new Image();		ALPACAS_1.src	="images/alpacas_1.gif";

var PICTURES_0	=new Image();		PICTURES_0.src	="images/pictures_0.gif";
var PICTURES_1	=new Image();		PICTURES_1.src	="images/pictures_1.gif";

var PICTURES2_0	=new Image();		PICTURES2_0.src	="images/pictures2_0.gif";
var PICTURES2_1	=new Image();		PICTURES2_1.src	="images/pictures2_1.gif";

var TOP_0		=new Image();		TOP_0.src		="images/top_0.gif";
var TOP_1		=new Image();		TOP_1.src		="images/top_1.gif";