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/*********************************************** |
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* Switch Content script- © Dynamic Drive (www.dynamicdrive.com) |
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* This notice must stay intact for legal use. Last updated April 2nd, 2005. |
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* Visit http://www.dynamicdrive.com/ for full source code |
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***********************************************/ |
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var enablepersist="on" // Enable saving state of content structure using session cookies? (on/off) |
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var collapseprevious="yes" // Collapse previously open content when opening present? (yes/no) |
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var contractsymbol='<div class="minusbox">-</div>' // HTML for contract symbol. For image, use: <img src="${prefix}whatever.gif"> |
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var expandsymbol='<div class="plusbox">+</div>' // HTML for expand symbol. |
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var expandonload=false |
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if (document.getElementById) |
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{ |
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document.write('<style type="text/css">') |
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document.write('.switchcontent{display:none;}') |
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document.write('</style>') |
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} |
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function getElementbyClass(rootobj, classname) |
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{ |
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var temparray=new Array() |
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var inc=0 |
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for (i=0; i<rootobj.length; i++) |
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{ |
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if (rootobj[i].className==classname) |
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temparray[inc++]=rootobj[i] |
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} |
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return temparray |
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} |
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function sweeptoggle(ec) |
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{ |
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var thestate=(ec=="expand")? "block" : "none" |
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var inc=0 |
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while (ccollect[inc]) |
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{ |
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ccollect[inc].style.display=thestate |
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inc++ |
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} |
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revivestatus() |
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collapseprevious = (ec=="expand")? "no" : "yes" |
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} |
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function contractcontent(omit) |
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{ |
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var inc=0 |
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while (ccollect[inc]) |
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{ |
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if (ccollect[inc].id!=omit) |
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ccollect[inc].style.display="none" |
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inc++ |
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} |
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} |
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function expandcontent(curobj, cid) |
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{ |
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var spantags=curobj.getElementsByTagName("SPAN") |
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var showstateobj=getElementbyClass(spantags, "showstate") |
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if (ccollect.length>0) |
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{ |
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if (collapseprevious=="yes") |
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contractcontent(cid) |
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document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none" |
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if (showstateobj.length>0) //if "showstate" span exists in header |
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{ |
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if (collapseprevious=="no") |
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showstateobj[0].innerHTML=(document.getElementById(cid).style.display=="block")? contractsymbol : expandsymbol |
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else |
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revivestatus() |
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} |
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} |
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} |
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function revivecontent() |
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{ |
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contractcontent("omitnothing") |
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selectedItem=getselectedItem() |
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selectedComponents=selectedItem.split("|") |
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collapseprevious=selectedComponents[0] |
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for (i=1; i<selectedComponents.length-1; i++) |
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document.getElementById(selectedComponents[i]).style.display="block" |
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} |
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function revivestatus() |
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{ |
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var inc=0 |
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while (statecollect[inc]) |
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{ |
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if (ccollect[inc].style.display=="block") |
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statecollect[inc].innerHTML=contractsymbol |
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else |
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statecollect[inc].innerHTML=expandsymbol |
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inc++ |
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} |
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} |
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function get_cookie(Name) |
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{ |
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var search = Name + "=" |
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var returnvalue = ""; |
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if (document.cookie.length > 0) |
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{ |
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offset = document.cookie.indexOf(search) |
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if (offset != -1) |
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{ |
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offset += search.length |
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end = document.cookie.indexOf(";", offset); |
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if (end == -1) end = document.cookie.length; |
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returnvalue=unescape(document.cookie.substring(offset, end)) |
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} |
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} |
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return returnvalue; |
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} |
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function getselectedItem() |
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{ |
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if (get_cookie(window.location.pathname) != "") |
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{ |
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selectedItem=get_cookie(window.location.pathname) |
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return selectedItem |
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} |
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else |
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return "" |
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} |
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function saveswitchstate() |
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{ |
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var inc=0, selectedItem=collapseprevious+"|" |
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while (ccollect[inc]) |
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{ |
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if (ccollect[inc].style.display=="block") |
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selectedItem+=ccollect[inc].id+"|" |
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inc++ |
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} |
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document.cookie=window.location.pathname+"="+selectedItem |
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} |
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function do_onload() |
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{ |
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uniqueidn=window.location.pathname+"firsttimeload" |
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var alltags=document.all? document.all : document.getElementsByTagName("*") |
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ccollect=getElementbyClass(alltags, "switchcontent") |
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statecollect=getElementbyClass(alltags, "showstate") |
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if (enablepersist=="on" && ccollect.length>0) |
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{ |
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document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0" |
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firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load |
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if (!firsttimeload) |
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revivecontent() |
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} |
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if (ccollect.length>0 && statecollect.length>0) |
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revivestatus() |
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if (expandonload) |
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sweeptoggle('expand') |
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} |
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if (window.addEventListener) |
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window.addEventListener("load", do_onload, false) |
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else if (window.attachEvent) |
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window.attachEvent("onload", do_onload) |
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else if (document.getElementById) |
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window.onload=do_onload |
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if (enablepersist=="on" && document.getElementById) |
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window.onunload=saveswitchstate |