
<!-- hide this script from non-javascript-enabled browsers
// pre-cache 'filename' button state images

if (document.images) {
var blank_over = new Image(169,94)
blank_over.src = "../images/spacer.gif"
}
if (document.images) {
var human_over = new Image(169,94)
human_over.src = "../images/butt_human.jpg"
}
if (document.images) {
var hosp_over = new Image(169,94)
hosp_over.src = "../images/butt_hosp.jpg"
}
if (document.images) {
var food_over = new Image(169,94)
food_over.src = "../images/butt_food.jpg"
}
if (document.images) {
var accom_over = new Image(169,94)
accom_over.src = "../images/butt_accom.jpg"
}
if (document.images) {
var human2_over = new Image(353,94)
human2_over.src = "../images/butt_human2.jpg"
}
if (document.images) {
var law_over = new Image(354,94)
law_over.src = "../images/butt_law.jpg"
}
// functions that swap images
function swap(id,name){
  if (document.images) document.images[id].src=eval(name+".src");
}
// stop hiding -->