/***********************************************
* Switch Content script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use. Last updated April 2nd, 2005.
* Visit http://www.dynamicdrive.com/ for full source code 
this is the code for the more/less distribution display on the detail page
***********************************************/

var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="no" //Collapse previously open content when opening present? (yes/no)

var contractsymbol='<b class="more">Show Less -</b> ' //HTML for contract symbol. For image, use: <img src="whatever.gif">
var expandsymbol='<b class="more">Show More +</b> ' //HTML for expand symbol.


if (document.getElementById){
document.write('<style type="text/css">')
document.write('.switchcontent{display:inline;}')
document.write('</style>')
}

function getElementbyClass(rootobj, classname){
var temparray=new Array()
var inc=0
var rootlength=rootobj.length
for (i=0; i<rootlength; i++){
if (rootobj[i].className==classname)
temparray[inc++]=rootobj[i]
}
return temparray
}

function sweeptoggle(ec){
var thestate=(ec=="expand")? "block" : "none"
var inc=0
while (ccollect[inc]){
ccollect[inc].style.display=thestate
inc++
}
revivestatus()
}


function contractcontent(omit){
var inc=0
while (ccollect[inc]){
if (ccollect[inc].id!=omit)
ccollect[inc].style.display="none"
inc++
}
}

function expandcontent(curobj, cid){
var spantags=curobj.getElementsByTagName("SPAN")
var showstateobj=getElementbyClass(spantags, "showstate")
if (ccollect.length>0){
if (collapseprevious=="yes")
contractcontent(cid)
document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
if (showstateobj.length>0){ //if "showstate" span exists in header
if (collapseprevious=="no")
showstateobj[0].innerHTML=(document.getElementById(cid).style.display=="block")? contractsymbol : expandsymbol
else
revivestatus()
}
}
}

function revivecontent(){
contractcontent("omitnothing")
selectedItem=getselectedItem()
selectedComponents=selectedItem.split("|")
for (i=0; i<selectedComponents.length-1; i++)
document.getElementById(selectedComponents[i]).style.display="block"
}

function revivestatus(){
var inc=0
while (statecollect[inc]){
if (ccollect[inc].style.display=="block")
statecollect[inc].innerHTML=contractsymbol
else
statecollect[inc].innerHTML=expandsymbol
inc++
}
}

function get_cookie(Name) { 
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) { 
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function getselectedItem(){
if (get_cookie(window.location.pathname) != ""){
selectedItem=get_cookie(window.location.pathname)
return selectedItem
}
else
return ""
}

function saveswitchstate(){
var inc=0, selectedItem=""
while (ccollect[inc]){
if (ccollect[inc].style.display=="block")
selectedItem+=ccollect[inc].id+"|"
inc++
}

document.cookie=window.location.pathname+"="+selectedItem
}

function do_onload(){
uniqueidn=window.location.pathname+"firsttimeload"
var alltags=document.all? document.all : document.getElementsByTagName("*")
ccollect=getElementbyClass(alltags, "switchcontent")
statecollect=getElementbyClass(alltags, "showstate")
if (enablepersist=="on" && ccollect.length>0){
document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0" 
firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load
if (!firsttimeload)
revivecontent()
}
if (ccollect.length>0 && statecollect.length>0)
revivestatus()
}

if (window.addEventListener)
window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
window.attachEvent("onload", do_onload)
else if (document.getElementById)
window.onload=do_onload

if (enablepersist=="on" && document.getElementById)
window.onunload=saveswitchstate

<!--
// copyright 1999 Idocs, Inc. http://www.idocs.com/tags/
// Distribute this script freely, but please keep this 
// notice with the code. This is for the horizontal nav-bar rollover

var rollOverArr=new Array();
function setrollover(OverImgSrc,pageImageName)
{
if (! document.images)return;
if (pageImageName == null)
    pageImageName = document.images[document.images.length-1].name;
rollOverArr[pageImageName]=new Object;
rollOverArr[pageImageName].overImg = new Image;
rollOverArr[pageImageName].overImg.src=OverImgSrc;
}

function rollover(pageImageName)
{
if (! document.images)return;
if (! rollOverArr[pageImageName])return;
if (! rollOverArr[pageImageName].outImg)
    {
    rollOverArr[pageImageName].outImg = new Image;
    rollOverArr[pageImageName].outImg.src = document.images[pageImageName].src;
    }
document.images[pageImageName].src=rollOverArr[pageImageName].overImg.src;
}

function rollout(pageImageName)
{
if (! document.images)return;
if (! rollOverArr[pageImageName])return;
document.images[pageImageName].src=rollOverArr[pageImageName].outImg.src;
}
//-->

<!--
setrollover('/graphics/hor_navbar_home_down.gif', 'home');
setrollover('/graphics/hor_navbar_places1_down.gif', 'places');
setrollover('/graphics/hor_navbar_notcacti1_down.gif', 'notcacti');
setrollover('/graphics/hor_navbar_aboutme1_down.gif', 'aboutme');
setrollover('/graphics/hor_navbar_sources1_down.gif', 'sources');
setrollover('/graphics/hor_navbar_nomenclature1_down.gif', 'names');
setrollover('/graphics/hor_navbar_pests_down.gif', 'cactipests');
setrollover('/graphics/hor_navbar_cactitalk_down.gif', 'forum');
setrollover('/graphics/hor_navbar_biology_down.gif', 'article');
setrollover('/graphics/hor_navbar_growingcacti_down.gif', 'grow');
//-->

<!--
function popup (url) {
	window.open(url, 'popup', 'width=650,height=550,top=50 left=50,toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,menubar=no');
}
//-->

//this begins the code for carribean map rollover script
<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		north_america_map_24_01_ImageMap_04_over = newImage("/graphics/maps/north-america-map-24_01-Ima.gif");
		north_america_map_24_01_ImageMap_03_over = newImage("/graphics/maps/north-america-map-24_01--03.gif");
		north_america_map_24_01_ImageMap_02_over = newImage("/graphics/maps/north-america-map-24_01--04.gif");
		north_america_map_24_01_ImageMap_01_over = newImage("/graphics/maps/north-america-map-24_01--05.gif");
		preloadFlag = true;
	}
}

// --> this ends the carribean map rollover script

// this begins the central america map rollover script
<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		camerica_01_ImageMap_07_over = newImage("/graphics/maps/camerica_01-ImageMap_07_ove.gif");
		camerica_01_ImageMap_06_over = newImage("/graphics/maps/camerica_01-ImageMap_06_ove.gif");
		camerica_01_ImageMap_05_over = newImage("/graphics/maps/camerica_01-ImageMap_05_ove.gif");
		camerica_01_ImageMap_04_over = newImage("/graphics/maps/camerica_01-ImageMap_04_ove.gif");
		camerica_01_ImageMap_03_over = newImage("/graphics/maps/camerica_01-ImageMap_03_ove.gif");
		camerica_01_ImageMap_02_over = newImage("/graphics/maps/camerica_01-ImageMap_02_ove.gif");
		camerica_01_ImageMap_01_over = newImage("/graphics/maps/camerica_01-ImageMap_01_ove.gif");
		preloadFlag = true;
	}
}

// --> this ends the central america map rollover script

// this begins the hemisphere rollover script
<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		hemisphere_01_ImageMap_01_over = newImage("images/hemisphere_01-ImageMap_01_o.gif");
		hemisphere_01_ImageMap_04_over = newImage("images/hemisphere_01-ImageMap_04_o.gif");
		hemisphere_01_ImageMap_03_over = newImage("images/hemisphere_01-ImageMap_03_o.gif");
		hemisphere_01_ImageMap_02_over = newImage("images/hemisphere_01-ImageMap_02_o.gif");
		preloadFlag = true;
	}
}

// -->this ends the hemisphere rollover script

//this begins the north america rollover script
<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		north_america_01_ImageMap_03_over = newImage("/graphics/maps/north_america_01-ImageMap_0.gif");
		north_america_01_ImageMap_02_over = newImage("/graphics/maps/north_america_01-ImageMa-03.gif");
		north_america_01_ImageMap_01_over = newImage("/graphics/maps/north_america_01-ImageMa-04.gif");
		preloadFlag = true;
	}
}

// --> this ends the north america rollover script

// this begins the south america rollover script
<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		samerica_01_ImageMap_13_over = newImage("/graphics/maps/samerica_01-ImageMap_13_ove.gif");
		samerica_01_ImageMap_12_over = newImage("/graphics/maps/samerica_01-ImageMap_12_ove.gif");
		samerica_01_ImageMap_10_over = newImage("/graphics/maps/samerica_01-ImageMap_10_ove.gif");
		samerica_01_ImageMap_11_over = newImage("/graphics/maps/samerica_01-ImageMap_11_ove.gif");
		samerica_01_ImageMap_09_over = newImage("/graphics/maps/samerica_01-ImageMap_09_ove.gif");
		samerica_01_ImageMap_08_over = newImage("/graphics/maps/samerica_01-ImageMap_08_ove.gif");
		samerica_01_ImageMap_07_over = newImage("/graphics/maps/samerica_01-ImageMap_07_ove.gif");
		samerica_01_ImageMap_06_over = newImage("/graphics/maps/samerica_01-ImageMap_06_ove.gif");
		samerica_01_ImageMap_05_over = newImage("/graphics/maps/samerica_01-ImageMap_05_ove.gif");
		samerica_01_ImageMap_04_over = newImage("/graphics/maps/samerica_01-ImageMap_04_ove.gif");
		samerica_01_ImageMap_03_over = newImage("/graphics/maps/samerica_01-ImageMap_03_ove.gif");
		samerica_01_ImageMap_02_over = newImage("/graphics/maps/samerica_01-ImageMap_02_ove.gif");
		samerica_01_ImageMap_01_over = newImage("/graphics/maps/samerica_01-ImageMap_01_ove.gif");
		preloadFlag = true;
	}
}

// -->this ends the south america rollover script

// this begins the textarea limit text
<!--

function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}
// -->this ends the text area limit script

// this begins the toggle text code for user notes display
<!--

<!--
    function toggle_visibility(id) {
       var e = document.getElementById(id);
       if(e.style.display == 'block')
         e.style.display = 'none';
     else
	 e.style.display = 'block';
          
    }
//-->

// -->this ends the  toggle text code for user notes display