function addLinks(){
	var links2=document.getElementById("categ");
	
	if (links2) links1=links2.getElementsByTagName('p');
	if (links1){
		for (var i = 0; i < links1.length; i++) {
	
			if	(links1[i].className.indexOf("node") != -1){
		
				/* poszukaj elementu node w¶ród klas */
				var strt1=links1[i].className.indexOf("node");
				var end1=links1[i].className.indexOf(" ",strt1);
				if (end1==-1) end1=links1[i].className.length;
				var class1=links1[i].className.substring(strt1,end1);
	
				var dziw=document.getElementById(class1);
				if (dziw) links1[i].title="Kliknij na obrazek aby zwin±ć/rozwin±ć kategorię";

				if (links1[i].addEventListener) {		// W3C
					links1[i].addEventListener("click",testevent,false);
					links1[i].myflag = class1;
				} else if (links1[i].attachEvent) {	// Exploder
					links1[i].attachEvent("onclick",testevent);
					links1[i].myflag = class1;
				} 
			}
		}
	}
}

function toggle(what){
	d=document.getElementById(what);
	if (d) d.style.display = (d.style.display == "none") ? 'block' : 'none';
}

function testevent(evt){
	var e_out;
	var ie_var = "srcElement";
	var moz_var = "target";
	var prop_var = "myflag";
	// "target" for Mozilla, Netscape, Firefox et al. ; "srcElement" for IE
	evt[moz_var] ? e_out = evt[moz_var][prop_var] : e_out = evt[ie_var][prop_var];
	toggle(e_out);
}