booking_request  = "/images/booking_request_btn_on.gif";
collective_agreements  = "/images/collective_agreements_btn_on.gif";
credit_union  = "/images/credit_union_btn_on.gif";
entertainment  = "/images/entertainment_btn_on.gif";
how_to_join  = "/images/how_to_join_btn_on.gif";
info_request  = "/images/info_request_btn_on.gif";
listing  = "/images/listing_btn_on.gif";
member_benefits  = "/images/member_benefits_btn_on.gif";
newsletter  = "/images/newsletter_btn_on.gif";
related_links  = "/images/related_links_btn_on.gif";
musicians_clinic = "/images/musicians_clinic_btn_on.gif";
string_sr = "/images/str_sr_btn_on.gif";
orch_in_crisis = "/images/orch_in_crisis_btn_on.gif";
afm_dfw_login = "/images/pvt_login_btn_on.gif";
misc = "/images/misc_btn_on.gif";
relief = "/images/relief_btn_on.gif";
return_home = "/images/return_home_btn_on.gif";
book_bands = "/images/book_bands_btn_on.gif";
roster_style = "/images/roster_style_btn_on.gif";
pay_dues = "/images/pay_dues_btn_on.gif";
opera_orch = "/images/opera_orch_btn_on.gif";
why_we_belong = "/images/why_we_belong_btn_on.gif";
mark_wolfe = "/images/mark_wolfe_btn_on.gif";
lifelines = "/images/lifelines_btn_on.gif";
births = "/images/births_btn_on.gif";
marriages = "/images/marriages_btn_on.gif";
milestones = "/images/milestones_btn_on.gif";
deaths = "/images/deaths_btn_on.gif";
application = "/images/application_btn_on.gif";
pso_campaign = "/images/pso_campaign_btn_on.gif";
ballet_crisis = "/images/ballet_crisis_btn_on.gif";

cacheImg = new Array();
imgPreFetch(0,booking_request);
imgPreFetch(1,collective_agreements);
imgPreFetch(2,credit_union);
imgPreFetch(3,entertainment);
imgPreFetch(4,how_to_join);
imgPreFetch(5,info_request);
imgPreFetch(6,listing);
imgPreFetch(7,member_benefits);
imgPreFetch(8,newsletter);
imgPreFetch(9,related_links);
imgPreFetch(10,string_sr);
imgPreFetch(11,musicians_clinic);
imgPreFetch(12,orch_in_crisis);
imgPreFetch(13,afm_dfw_login);
imgPreFetch(14,misc);
imgPreFetch(15,relief);
imgPreFetch(16,return_home);
imgPreFetch(17,book_bands);
imgPreFetch(18,roster_style);
imgPreFetch(19,pay_dues);
imgPreFetch(20,opera_orch);
imgPreFetch(21,why_we_belong);
imgPreFetch(22,mark_wolfe);
imgPreFetch(23,lifelines);
imgPreFetch(24,births);
imgPreFetch(25,marriages);
imgPreFetch(26,milestones);
imgPreFetch(27,deaths);
imgPreFetch(28,application);
imgPreFetch(29,pso_campaign);
imgPreFetch(29,ballet_crisis);

function imgPreFetch(i,img) {
 if(!document.images){
    return; 
	  } else {
    	cacheImg[i] = new Image();
    	cacheImg[i].src = img;
 	} 	 
}


function roll_over(img){
	var dm =document.images;
	if (dm) {
	       dm[img].src= "/images/" + img + "_btn_on.gif";
	}
}
 
function roll_out(img){
	var dm =document.images;
	if (dm) {
	       dm[img].src= "/images/" + img + "_btn_off.gif";
	}
}