function showItems(id,skin) {
           var elem = document.getElementById(id);
           if(elem) {
               document.getElementById(id+'BODY').style.display='';
               document.getElementById(id+'TITLE').className='FAQQuestionDown';
               document.getElementById(id+'I').src=skin+'/img/faq_down_arrow.gif';
           }
       }
       function hideItems(id,skin) {
           var elem = document.getElementById(id);
           if(elem) {
               document.getElementById(id+'BODY').style.display='none';
               document.getElementById(id+'TITLE').className='FAQQuestionUp';
               document.getElementById(id+'I').src=skin+'/img/faq_right_arrow.gif';
           }
       }   
       function showOrHideItems(id,skin) {
           var elem = document.getElementById(id+'TITLE');
           if( elem.className == 'FAQQuestionDown') {
               hideItems(id,skin);
           }
           else {
               showItems(id,skin);
           }
       }    
       function showAllItems(groupid,skin) {
          var list = document.getElementsByTagName('div'); 
           for( key in list ) {
               var elem = list[key];
               if(elem.id != null && elem.className=="FAQItem") {   
                   //wazne zeby nie bylo bialych znakow przed wstawieniem diva FAQgroupid, inaczej nie bedzie on firstChild
                   if(elem.firstChild.className=="FAQ"+groupid) {   
                       showItems(elem.id,skin);
                   }
               }
           }
       }
       function hideAllItems(groupid,skin) {
         var list = document.getElementsByTagName('div'); 
           for( key in list ) {
               var elem = list[key];          
               if(elem.id != null && elem.className=="FAQItem") {  
                   if(elem.firstChild.className=="FAQ"+groupid) {   
                       hideItems(elem.id,skin);
                   }
               }
           }
       }  
       
   function setFAQHeights() {
        var elems = document.getElementsByName('Backgrounds');
        
        for(var i=0 ; i< elems.length ; ++i) {
            var coords = getElementCoords(elems[i].parentNode);
            elems[i].style.height = coords.h+"px";        
        }
    }