<!--

        /***********************************************
        * 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="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='- ' //HTML for contract symbol. For image, use: <img src="whatever.gif">
        var expandsymbol='+ ' //HTML for expand symbol.


        if (document.getElementById){
        document.write('<style type="text/css">')
        document.write('.switchcontent{display:none;}')
        document.write('</style>')
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        function getElementbyClass(rootobj, classname){
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        for (i=0; i<rootlength; i++){
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        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
-->
