function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + 'on.src');
	}
}

function imgOff(imgName) {
	//alert(current_pic);
	
	if (current_pic != imgName){
		if (document.images) {
			document[imgName].src = eval(imgName + 'off.src');
		}
	}

}

function refreshTabs(){
	tabs = new Array('school_bt_squid','school_bt_cod','school_bt_monkfish','school_bt_shrimp','school_bt_skate','school_bt_tuna','school_bt_seascallop','school_bt_mainelobster','school_bt_atlanticsalmon','school_bt_sardines','school_bt_mahi','school_bt_bluecrab','school_bt_halibut','school_bt_redsnapper','school_bt_trout','school_bt_stripedbass','school_bt_swordfish');
	for (var i=0; i<tabs.length; i++){
		imgOff(tabs[i]);
		pausecomp(1);
	}
	
}

function pausecomp(millis){
	var date = new Date();
	var curDate = null;

	do { curDate = new Date(); } 
	while(curDate-date < millis);
} 

// show tab
function showSet(imgName){
	//tabs = new Array('school_bt_squid','school_bt_cod','school_bt_monkfish','school_bt_shrimp','school_bt_skate','school_bt_tuna','school_bt_tuna','school_bt_seascallop','school_bt_mainelobster','school_bt_atlanticsalm','school_bt_sardines','school_bt_mahi','school_bt_bluecrab','school_bt_halibut','school_bt_redsnapper','school_bt_trout','school_bt_stripedbass','school_bt_swordfisho');
	
	/*e = '';
	ns6 = document.getElementById&&!document.all?1:0;
	document[imgName].src = eval(imgName + 'on.src');
**/
  	/**for (var i=0; i<tabs.length; i++){
		img = tabs[i];

		if (img == imgName){
			//alert(document[imgName].src);
			document[imgName].src = eval(imgName + 'on.src');
		} else {
			document[imgName].src = eval(imgName + 'off.src');
		}
	}
	**/
	current_pic = imgName;
	refreshTabs();
}




school_bt_squidon = new Image(); 
school_bt_squidon.src = "images/school_bt_squid_on.gif";
school_bt_squidoff = new Image(); 
school_bt_squidoff.src = "images/school_bt_squid_off.gif";

school_bt_codon = new Image(); 
school_bt_codon.src = "images/school_bt_cod_on.gif";
school_bt_codoff = new Image(); 
school_bt_codoff.src = "images/school_bt_cod_off.gif";

school_bt_monkfishon = new Image(); 
school_bt_monkfishon.src = "images/school_bt_monkfish_on.gif";
school_bt_monkfishoff = new Image(); 
school_bt_monkfishoff.src = "images/school_bt_monkfish_off.gif";

school_bt_shrimpon = new Image(); 
school_bt_shrimpon.src = "images/school_bt_shrimp_on.gif";
school_bt_shrimpoff = new Image(); 
school_bt_shrimpoff.src = "images/school_bt_shrimp_off.gif";

school_bt_skateon = new Image(); 
school_bt_skateon.src = "images/school_bt_skate_on.gif";
school_bt_skateoff = new Image(); 
school_bt_skateoff.src = "images/school_bt_skate_off.gif";

school_bt_tunaon = new Image(); 
school_bt_tunaon.src = "images/school_bt_tuna_on.gif";
school_bt_tunaoff = new Image(); 
school_bt_tunaoff.src = "images/school_bt_tuna_off.gif";

school_bt_seascallopon = new Image(); 
school_bt_seascallopon.src = "images/school_bt_seascallop_on.gif";
school_bt_seascallopoff = new Image(); 
school_bt_seascallopoff.src = "images/school_bt_seascallop_off.gif";

school_bt_mainelobsteron = new Image(); 
school_bt_mainelobsteron.src = "images/school_bt_mainelobster_on.gif";
school_bt_mainelobsteroff = new Image(); 
school_bt_mainelobsteroff.src = "images/school_bt_mainelobster_off.gif";

school_bt_atlanticsalmonon = new Image(); 
school_bt_atlanticsalmonon.src = "images/school_bt_atlanticsalmon_on.gif";
school_bt_atlanticsalmonoff = new Image(); 
school_bt_atlanticsalmonoff.src = "images/school_bt_atlanticsalmon_off.gif";

school_bt_sardineson = new Image(); 
school_bt_sardineson.src = "images/school_bt_sardines_on.gif";
school_bt_sardinesoff = new Image(); 
school_bt_sardinesoff.src = "images/school_bt_sardines_off.gif";

school_bt_mahion = new Image(); 
school_bt_mahion.src = "images/school_bt_mahi_on.gif";
school_bt_mahioff = new Image(); 
school_bt_mahioff.src = "images/school_bt_mahi_off.gif";

school_bt_bluecrabon = new Image(); 
school_bt_bluecrabon.src = "images/school_bt_bluecrab_on.gif";
school_bt_bluecraboff = new Image(); 
school_bt_bluecraboff.src = "images/school_bt_bluecrab_off.gif";

school_bt_halibuton = new Image(); 
school_bt_halibuton.src = "images/school_bt_halibut_on.gif";
school_bt_halibutoff = new Image(); 
school_bt_halibutoff.src = "images/school_bt_halibut_off.gif";

school_bt_redsnapperon = new Image(); 
school_bt_redsnapperon.src = "images/school_bt_redsnapper_on.gif";
school_bt_redsnapperoff = new Image(); 
school_bt_redsnapperoff.src = "images/school_bt_redsnapper_off.gif";

school_bt_trouton = new Image(); 
school_bt_trouton.src = "images/school_bt_trout_on.gif";
school_bt_troutoff = new Image(); 
school_bt_troutoff.src = "images/school_bt_trout_off.gif";

school_bt_stripedbasson = new Image(); 
school_bt_stripedbasson.src = "images/school_bt_stripedbass_on.gif";
school_bt_stripedbassoff = new Image(); 
school_bt_stripedbassoff.src = "images/school_bt_stripedbass_off.gif";

school_bt_swordfishon = new Image(); 
school_bt_swordfishon.src = "images/school_bt_swordfish_on.gif";
school_bt_swordfishoff = new Image(); 
school_bt_swordfishoff.src = "images/school_bt_swordfish_off.gif";

oyster_bt_chilmarkon = new Image(); 
oyster_bt_chilmarkon.src = "images/oyster_bt_chilmark_on.gif";
oyster_bt_chilmarkoff = new Image(); 
oyster_bt_chilmarkoff.src = "images/oyster_bt_chilmark_off.gif";

oyster_bt_bluepointon = new Image(); 
oyster_bt_bluepointon.src = "images/oyster_bt_bluepoint_on.gif";
oyster_bt_bluepointoff = new Image(); 
oyster_bt_bluepointoff.src = "images/oyster_bt_bluepoint_off.gif";

oyster_bt_windowsholeon = new Image(); 
oyster_bt_windowsholeon.src = "images/oyster_bt_windowshole_on.gif";
oyster_bt_windowsholeoff = new Image(); 
oyster_bt_windowsholeoff.src = "images/oyster_bt_windowshole_off.gif";

oyster_bt_malpequeon = new Image(); 
oyster_bt_malpequeon.src = "images/oyster_bt_malpeque_on.gif";
oyster_bt_malpequeoff = new Image(); 
oyster_bt_malpequeoff.src = "images/oyster_bt_malpeque_off.gif";

oyster_bt_moonstoneson = new Image(); 
oyster_bt_moonstoneson.src = "images/oyster_bt_moonstones_on.gif";
oyster_bt_moonstonesoff = new Image(); 
oyster_bt_moonstonesoff.src = "images/oyster_bt_moonstones_off.gif";

oyster_bt_beausoleilon = new Image(); 
oyster_bt_beausoleilon.src = "images/oyster_bt_beausoleil_on.gif";
oyster_bt_beausoleiloff = new Image(); 
oyster_bt_beausoleiloff.src = "images/oyster_bt_beausoleil_off.gif";

oyster_bt_colvillebayon = new Image(); 
oyster_bt_colvillebayon.src = "images/oyster_bt_colvillebay_on.gif";
oyster_bt_colvillebayoff = new Image(); 
oyster_bt_colvillebayoff.src = "images/oyster_bt_colvillebay_off.gif";

oyster_bt_gliddenpointon = new Image(); 
oyster_bt_gliddenpointon.src = "images/oyster_bt_gliddenpoint_on.gif";
oyster_bt_gliddenpointoff = new Image(); 
oyster_bt_gliddenpointoff.src = "images/oyster_bt_gliddenpoint_off.gif";

oyster_bt_belonon = new Image(); 
oyster_bt_belonon.src = "images/oyster_bt_belon_on.gif";
oyster_bt_belonoff = new Image(); 
oyster_bt_belonoff.src = "images/oyster_bt_belon_off.gif";

oyster_bt_baronpointon = new Image(); 
oyster_bt_baronpointon.src = "images/oyster_bt_baronpoint_on.gif";
oyster_bt_baronpointoff = new Image(); 
oyster_bt_baronpointoff.src = "images/oyster_bt_baronpoint_off.gif";

oyster_bt_goldenmiyagion = new Image(); 
oyster_bt_goldenmiyagion.src = "images/oyster_bt_goldenmiyagi_on.gif";
oyster_bt_goldenmiyagioff = new Image(); 
oyster_bt_goldenmiyagioff.src = "images/oyster_bt_goldenmiyagi_off.gif";

oyster_bt_malaspinaon = new Image(); 
oyster_bt_malaspinaon.src = "images/oyster_bt_malaspina_on.gif";
oyster_bt_malaspinaoff = new Image(); 
oyster_bt_malaspinaoff.src = "images/oyster_bt_malaspina_off.gif";

oyster_bt_nootkasoundon = new Image(); 
oyster_bt_nootkasoundon.src = "images/oyster_bt_nootkasound_on.gif";
oyster_bt_nootkasoundoff = new Image(); 
oyster_bt_nootkasoundoff.src = "images/oyster_bt_nootkasound_off.gif";

oyster_bt_olympiaon = new Image(); 
oyster_bt_olympiaon.src = "images/oyster_bt_olympia_on.gif";
oyster_bt_olympiaoff = new Image(); 
oyster_bt_olympiaoff.src = "images/oyster_bt_olympia_off.gif";

oyster_bt_kumamotoon = new Image(); 
oyster_bt_kumamotoon.src = "images/oyster_bt_kumamoto_on.gif";
oyster_bt_kumamotooff = new Image(); 
oyster_bt_kumamotooff.src = "images/oyster_bt_kumamoto_off.gif";

oyster_bt_skookumon = new Image(); 
oyster_bt_skookumon.src = "images/oyster_bt_skookum_on.gif";
oyster_bt_skookumoff = new Image(); 
oyster_bt_skookumoff.src = "images/oyster_bt_skookum_off.gif";

oyster_bt_rappahannockon = new Image(); 
oyster_bt_rappahannockon.src = "images/oyster_bt_rappahannock_on.gif";
oyster_bt_rappahannockoff = new Image(); 
oyster_bt_rappahannockoff.src = "images/oyster_bt_rappahannock_off.gif";