/***********************************************
* 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
***********************************************/

var enablepersist="no" //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='<img src="images/icon_open.gif" border="0" width="19" height="19"> ' //HTML for contract symbol. For image, use: <img src="whatever.gif">
var expandsymbol='<img src="images/icon_closed.gif" border="0" width="19" height="19"> ' //HTML for expand symbol.


if (document.getElementById){
document.write('<style type="text/css">')
document.write('.switchcontent{display:none;}')
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(){

if (document.getElementById("alllink").innerHTML.indexOf("Close")>-1)
{
	document.getElementById("alllink").innerHTML = "<a href=\"javascript:sweeptoggle()\">+ Open All</a>"
	var thestate = "none"
}
  else
{
	document.getElementById("alllink").innerHTML = "<a href=\"javascript:sweeptoggle()\">- Close All</a>"
	var thestate = "block"
}

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")
var fix=showstateobj[0].innerHTML
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")
{ 
fix=(document.getElementById(cid).style.display=="block")? contractsymbol : expandsymbol
if (fix.length > 0)
{
 showstateobj[0].innerHTML=fix
 showstateobj[0].focus()
}
//alert(showstateobj[0].innerHTML)
}
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(){  

if (document.images)
    myImage = new Image()

if (document.all.company.value == "bsm")
 { 	contractsymbol='<img src="images/bsm_icon_open.gif" border="0" width="19" height="19">'
	expandsymbol='<img src="images/bsm_icon_closed.gif" border="0" width="19" height="19">'
	if (document.images)
	    myImage.src = "images/bsm_icon_open.gif"
	}
else if (document.all.company.value == "worth")
 { 	contractsymbol='<img src="images/worth_icon_open.gif" border="0" width="19" height="19">'
	expandsymbol='<img src="images/worth_icon_closed.gif" border="0" width="19" height="19">'
	if (document.images)
	    myImage.src = "images/worth_icon_open.gif"
	} 
else if (document.all.company.value == "freeman")
 { 	contractsymbol='<img src="images/freeman_icon_open.gif" border="0" width="19" height="19">'
	expandsymbol='<img src="images/freeman_icon_closed.gif" border="0" width="19" height="19">'
	if (document.images)
	    myImage.src = "images/freeman_icon_open.gif"
	}
else if (document.all.company.value == "bfw")
 { 	contractsymbol='<img src="images/worth_icon_open.gif" border="0" width="19" height="19">'
	expandsymbol='<img src="images/worth_icon_closed.gif" border="0" width="19" height="19">'
	if (document.images)
	    myImage.src = "images/worth_icon_open.gif"
	} 


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