window.addEvent("load",function(){
	var tab_p = $$(".links");
	var aktualny_p = 0;
	var tab_e = [];

	$$(".category").each(function(element,index){
		var slider = new Fx.Slide(tab_p[index],{mode: "vertical",wait: false});
		tab_e[index] = slider;
   
		if(index > 0){
			tab_p[index].setStyle("display","block");
			slider.hide();
		}
	
		element.addEvent("click",function(){			
			if(aktualny_p !== index){
				tab_e[aktualny_p].slideOut();
				aktualny_p = index;
				tab_e[index].slideIn();
			}
		});
	});
});