home_on = new Image ( 13, 22 );
home_on.src = "images/arrow.gif";
ourmenu_on = new Image ( 13, 22 );
ourmenu_on.src = "images/arrow.gif";
lunch_on = new Image ( 13, 22 );
lunch_on.src = "images/arrow.gif";
dinner_on = new Image ( 13, 22 );
dinner_on.src = "images/arrow.gif";
brunch_on = new Image ( 13, 22 );
brunch_on.src = "images/arrow.gif";
pizza_on = new Image ( 13, 22 );
pizza_on.src = "images/arrow.gif";
kids_on = new Image ( 13, 22 );
kids_on.src = "images/arrow.gif";
beverages_on = new Image ( 13, 22 );
beverages_on.src = "images/arrow.gif";
winelist_on = new Image ( 13, 22 );
winelist_on.src = "images/arrow.gif";
catering_on = new Image ( 13, 22 );
catering_on.src = "images/arrow.gif";
feedback_on = new Image ( 13, 22 );
feedback_on.src = "images/arrow.gif";
map_on = new Image ( 13, 22 );
map_on.src = "images/arrow.gif";

home_off = new Image ( 13, 22 );
home_off.src = "images/spacer.gif";
ourmenu_off = new Image ( 13, 22 );
ourmenu_off.src = "images/spacer.gif";
lunch_off = new Image ( 13, 22 );
lunch_off.src = "images/spacer.gif";
dinner_off = new Image ( 13, 22 );
dinner_off.src = "images/spacer.gif";
brunch_off = new Image ( 13, 22 );
brunch_off.src = "images/spacer.gif";
pizza_off = new Image ( 13, 22 );
pizza_off.src = "images/spacer.gif";
kids_off = new Image ( 13, 22 );
kids_off.src = "images/spacer.gif";
beverages_off = new Image ( 13, 22 );
beverages_off.src = "images/spacer.gif";
winelist_off = new Image ( 13, 22 );
winelist_off.src = "images/spacer.gif";
catering_off = new Image ( 13, 22 );
catering_off.src = "images/spacer.gif";
feedback_off = new Image ( 13, 22 );
feedback_off.src = "images/spacer.gif";
map_off = new Image ( 13, 22 );
map_off.src = "images/spacer.gif";

function button_on ( imgName ) {
    butOn = eval ( imgName + "_on.src" );
    document [imgName].src = butOn;
}

function button_off ( imgName ) {
    butOff = eval ( imgName + "_off.src" );
    document [imgName].src = butOff;
}