function togglePannelStatus(content)
{var expand=(content.style.display=="none");content.style.display=(expand?"block":"none");toggleChevronIcon(content);}
var currentContent=null;function togglePannelAnimatedStatus(content,interval,step)
{if(currentContent==null)
{currentContent=content;var expand=(content.style.display=="none");if(expand)
content.style.display="block";var max_height=content.offsetHeight;var step_height=step+(expand?0:-max_height);content.style.height=Math.abs(step_height)+"px";setTimeout("togglePannelAnimatingStatus("
+interval+","+step
+","+max_height+","+step_height+")",interval);}}
function togglePannelAnimatingStatus(interval,step,max_height,step_height)
{var step_height_abs=Math.abs(step_height);if(step_height_abs>=step&&step_height_abs<=(max_height-step))
{step_height+=step;currentContent.style.height=Math.abs(step_height)+"px";setTimeout("togglePannelAnimatingStatus("
+interval+","+step
+","+max_height+","+step_height+")",interval);}
else
{if(step_height_abs<step)
currentContent.style.display="none";currentContent.style.height="";currentContent=null;}}
function toggleChevronIcon(content)
{var chevron=content.parentNode.firstChild.childNodes[1].childNodes[0];var expand=(chevron.src.indexOf("expand.gif")>0);chevron.src=chevron.src.split(expand?"expand.gif":"collapse.gif").join(expand?"collapse.gif":"expand.gif");}