var popup_array = new Array();

var sidenav_home = new Image();
var sidenav_home_b = new Image();
var sidenav_biography = new Image();
var sidenav_biography_b = new Image();
var sidenav_calendar = new Image();
var sidenav_calendar_b = new Image();
var sidenav_booking = new Image();
var sidenav_booking_b = new Image();
var sidenav_appearances = new Image();
var sidenav_appearances_b = new Image();
var sidenav_publications = new Image();
var sidenav_publications_b = new Image();
var sidenav_buybooks = new Image();
var sidenav_buybooks_b = new Image();
var sidenav_commentary = new Image();
var sidenav_commentary_b = new Image();
var sidenav_photos = new Image();
var sidenav_photos_b = new Image();
var sidenav_reviews = new Image();
var sidenav_reviews_b = new Image();

var sidenav_welcome = new Image();
var sidenav_welcome_b = new Image();
var sidenav_media = new Image();
var sidenav_media_b = new Image();



sidenav_home.src= "images/sidenav_home.gif";
sidenav_home_b.src = "images/sidenav_home_b.gif";
sidenav_biography.src= "images/sidenav_biography.gif";
sidenav_biography_b.src= "images/sidenav_biography_b.gif";
sidenav_calendar.src = "images/sidenav_calendar.gif";
sidenav_calendar_b.src = "images/sidenav_calendar_b.gif";
sidenav_booking.src = "images/sidenav_booking.gif";
sidenav_booking_b.src = "images/sidenav_booking_b.gif";
sidenav_appearances.src = "images/sidenav_appearances.gif";
sidenav_appearances_b.src = "images/sidenav_appearances_b.gif";
sidenav_publications.src = "images/sidenav_publications.gif";
sidenav_publications_b.src = "images/sidenav_publications_b.gif";
sidenav_buybooks.src = "images/sidenav_buybooks.gif";
sidenav_buybooks_b.src = "images/sidenav_buybooks_b.gif";
sidenav_commentary.src = "images/sidenav_commentary.gif";
sidenav_commentary_b.src = "images/sidenav_commentary_b.gif";
sidenav_photos.src = "images/sidenav_photos.gif";
sidenav_photos_b.src = "images/sidenav_photos_b.gif";
sidenav_reviews.src = "images/sidenav_reviews.gif";
sidenav_reviews_b.src = "images/sidenav_reviews_b.gif";

sidenav_welcome.src = "images/sidenav_welcome.gif";
sidenav_welcome_b.src = "images/sidenav_welcome_b.gif";
sidenav_media.src = "images/sidenav_media.gif";
sidenav_media_b.src = "images/sidenav_media_b.gif";




var image_array = new Array();
image_array[0]=sidenav_home.src;
image_array[1]=sidenav_home_b.src;
image_array[2]=sidenav_biography.src;
image_array[3]=sidenav_biography_b.src;
image_array[4]=sidenav_calendar.src;
image_array[5]=sidenav_calendar_b.src;
image_array[6]=sidenav_booking.src;
image_array[7]=sidenav_booking_b.src;
image_array[8]=sidenav_appearances.src;
image_array[9]=sidenav_appearances_b.src;
image_array[10]=sidenav_publications.src;
image_array[11]=sidenav_publications_b.src;
image_array[12]=sidenav_buybooks.src;
image_array[13]=sidenav_buybooks_b.src;
image_array[14]=sidenav_commentary.src;
image_array[15]=sidenav_commentary_b.src;
image_array[16]=sidenav_photos.src;
image_array[17]=sidenav_photos_b.src;
image_array[18]=sidenav_reviews.src;
image_array[19]=sidenav_reviews_b.src;

image_array[20]=sidenav_welcome.src;
image_array[21]=sidenav_welcome_b.src;
image_array[22]=sidenav_media.src;
image_array[23]=sidenav_media_b.src;



function mouse_action(who,image_index) {
who.src = image_array[image_index];

}