// JavaScript Document

/***********************************************
* Tab Content script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var tb_initialtab=[1, "tab1"]

////////Stop editting////////////////

function tb_cascadedstyle(el, cssproperty, csspropertyNS){
if (el.currentStyle)
return el.currentStyle[cssproperty]
else if (window.getComputedStyle){
var tb_elstyle=window.getComputedStyle(el, "")
return tb_elstyle.getPropertyValue(csspropertyNS)
}
}

var tb_previoustab=""

function tb_expandcontent(tb_cid, aobject){
if (document.getElementById){
tb_highlighttab(aobject)
tb_detectSourceindex(aobject)
if (tb_previoustab!="")
document.getElementById(tb_previoustab).style.display="none"
document.getElementById(tb_cid).style.display="block"
tb_previoustab=tb_cid
if (aobject.blur)
aobject.blur()
return false
}
else
return true
}

function tb_highlighttab(aobject){
if (typeof tb_tabobjlinks=="undefined")
tb_collecttablinks()
for (i=0; i<tb_tabobjlinks.length; i++)
tb_tabobjlinks[i].style.backgroundColor=initTabcolor
var themecolor=aobject.getAttribute("theme")? aobject.getAttribute("theme") : initTabpostcolor
aobject.style.backgroundColor=document.getElementById("tabcontentcontainer").style.backgroundColor=themecolor
}

function tb_collecttablinks(){
var tb_tabobj=document.getElementById("tablist")
tb_tabobjlinks=tb_tabobj.getElementsByTagName("A")
}

function tb_detectSourceindex(aobject){
for (i=0; i<tb_tabobjlinks.length; i++){
if (aobject==tb_tabobjlinks[i]){
tb_tabsourceindex=i //source index of tab bar relative to other tabs
break
}
}
}

function tb_do_onload(){
var tb_cookiename=(typeof tb_persisttype!="undefined" && tb_persisttype=="sitewide")? "tabcontent" : window.location.pathname
var tb_cookiecheck=window.tb_get_cookie && tb_get_cookie(tb_cookiename).indexOf("|")!=-1
tb_collecttablinks()
initTabcolor=tb_cascadedstyle(tb_tabobjlinks[1], "backgroundColor", "background-color")
initTabpostcolor=tb_cascadedstyle(tb_tabobjlinks[0], "backgroundColor", "background-color")
if (typeof tb_enablepersistence!="undefined" && tb_enablepersistence && tb_cookiecheck){
var tb_cookieparse=tb_get_cookie(tb_cookiename).split("|")
var tb_whichtab=tb_cookieparse[0]
var tabcontentid=tb_cookieparse[1]
tb_expandcontent(tabcontentid, tb_tabobjlinks[tb_whichtab])
}
else
tb_expandcontent(tb_initialtab[1], tb_tabobjlinks[tb_initialtab[0]-1])
}

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


//Dynamicdrive.com persistence feature add-on

var tb_enablepersistence=false //true to enable persistence, false to turn off (or simply remove this entire script block).
var tb_persisttype="local" //enter "sitewide" for Tab content order to persist across site, "local" for this page only

function tb_get_cookie(Name) { 
var search = Name + "="
var tb_returnvalue = "";
if (document.cookie.length > 0) {
tb_offset = document.cookie.indexOf(search)
if (tb_offset != -1) { 
tb_offset += search.length
tb_end = document.cookie.indexOf(";", tb_offset);
if (tb_end == -1) tb_end = document.cookie.length;
tb_returnvalue=unescape(document.cookie.substring(tb_offset, tb_end))
}
}
return tb_returnvalue;
}

function tb_savetabstate(){
var tb_cookiename=(tb_persisttype=="sitewide")? "tabcontent" : window.location.pathname
var tb_cookievalue=(tb_persisttype=="sitewide")? tb_tabsourceindex+"|"+tb_previoustab+";path=/" : tb_tabsourceindex+"|"+tb_previoustab
document.cookie=tb_cookiename+"="+tb_cookievalue
}

window.onunload=tb_savetabstate