#macro(panelheaderc $title)
#if("$initialState" == "collapsed")
  #set($alternativeState="expanded")
#else
  #set($alternativeState="collapsed")
#end
#set($cookieName = "${context.user}_${panel}")
#set($cookieName = $cookieName.replace(" ", ""))
#set($panelState = $initialState)
#set($panelState = $xwiki.getUserPreferenceFromCookie($cookieName))
## Note: We pass the Panel name as an HTML class attribute so that it's possible to style
## the Panels selectively using CSS.
#set ($specialClassAttribute = "")
#if ($paneldoc && $paneldoc != "")
  #set ($specialClassAttribute = $util.convertToAlphaNumeric($paneldoc.name))
#end
<div class="panel $panelState $specialClassAttribute">
<h5 class="xwikipaneltitle" onclick="if(eltHasClass(this.parentNode, '$initialState')) createCookie('$cookieName','$!alternativeState', ''); else eraseCookie('$cookieName'); togglePanelVisibility(this.parentNode);">$title</h5>
<div class="xwikipanelcontents">
#end