function switchHeaderClass(obj,obj2)
{
var el=document.getElementById(obj);
if(el!=null)
{
if(el.className.indexOf("item-collapse")>-1)
{
el.className=el.className.replace("item-collapse","item");}
else
{
el.className=el.className.replace("faq-item","faq-item-collapse");}}
el=document.getElementById(obj2);
if(el!=null)
{
if(el.className.indexOf("headline-collapse")>-1)
{
el.className=el.className.replace("headline-collapse","headline");}
else
{
el.className=el.className.replace("faq-headline","faq-headline-collapse");}}}