function showXML(linkRSS){
window.location = "http://www.ekologia.pl/rss"+linkRSS;
};

function rssMenu(idDiv){
this.divParent = document.getElementById(idDiv);
this.init();
};

rssMenu.prototype={
init : function(){
var childDivParent = this.divParent.childNodes;
var childA = this.divParent.getElementsByTagName('A');

for(var i=0;i<childA.length;i++){
this.addEvent(childA[i],'click');
}
},

addEvent : function(elem,eventS){
  if(window.addEventListener)
        elem.addEventListener(eventS,this.akcja,false);
     else
       elem.attachEvent('on'+eventS,this.akcja,false);  
},
akcja : function(e){
var event = (e)?e:event;
var element;
if(event.srcElement) element = event.srcElement;
else element = this;
var elementP = element.nextSibling;
var liElement = element.nextSibling.getElementsByTagName('LI');
var ulElement = element.nextSibling.getElementsByTagName('UL');
var childA = objRssMenu.divParent.getElementsByTagName('A'); 

for(var i=0;i<childA.length;i++)
	childA[i].className = '';

element.className='Avisited';

var elDis =  elementP.style.display;
objRssMenu.zwinWszystko(element,elementP);
elementP.style.display = elDis;

if(elementP.style.display == 'none' || elementP.style.display == '') objRssMenu.rozwin(elementP,ulElement,liElement);
else objRssMenu.zwin(elementP,ulElement,liElement);
}, 
zwin : function(elementP,ulElement,liElement){
elementP.style.display = 'none';
for(var i=0;i<ulElement.length;i++)
ulElement[i].style.display='none';
for(var i=0;i<liElement.length;i++)
liElement[i].style.display='none';
},
rozwin : function(elementP,ulElement,liElement){
elementP.style.display = 'block';
for(var i=0;i<ulElement.length;i++)
ulElement[i].style.display='none';
for(var i=0;i<liElement.length;i++)
liElement[i].style.display='block';
},
zwinWszystko : function(element,elementP){
var elemLI = element.parentNode.parentNode.getElementsByTagName('UL');
for(var i=0;i<elemLI.length;i++)
elemLI[i].style.display='none';
}
};