function process_menu(){
	var uls = document.getElementsByTagName("ul");
	var li = Array();
	var a = Array();
	var id = Array();
	for(i = 0; i<uls.length;i++){
		if(uls[i].className.indexOf('attr_menu')!==-1){
			id[i] = uls[i].id.split('_');
			
			lis = uls[i].getElementsByTagName("li");
			for(j=0;j<lis.length;j++){
				lis[j].style.display = 'none';
			}
			li[i] = document.createElement("li");
			li[i].id = 'attr_menu_more_'+id[i][2];
			
			if(id[i][2]==107){
				li[i].innerHTML = '<a href="javascript:void(0);" onclick="show_menu('+id[i][2]+');">Wybierz markę samochodu</a>';
			}
			else{
				li[i].innerHTML = '<a href="javascript:void(0);" onclick="show_menu('+id[i][2]+');">Wybierz rozmiar opony</a>';
			}
			
			uls[i].appendChild(li[i]);
		}
	}
}

function show_menu(id){
	ul = document.getElementById('attr_menu_'+id);
	lis = ul.getElementsByTagName("li");	
	for(j=0;j<lis.length;j++){		
		lis[j].style.display = 'block';
	}
	more = document.getElementById('attr_menu_more_'+id);
	more.innerHTML = '<a href="javascript:void(0);" onclick="hide_menu('+id+');">Schowaj listę</a>';
}

function hide_menu(id){
	ul = document.getElementById('attr_menu_'+id);
	lis = ul.getElementsByTagName("li");
	for(j=0;j<lis.length;j++){
		if(lis[j].id.indexOf('attr_menu_more')==-1) lis[j].style.display = 'none';
	}
	more = document.getElementById('attr_menu_more_'+id);
	if(id==107){
		more.innerHTML = '<a href="javascript:void(0);" onclick="show_menu('+id+');">Wybierz markę samochodu</a>';
	}
	else{
		more.innerHTML = '<a href="javascript:void(0);" onclick="show_menu('+id+');">Wybierz rozmiar opony</a>';
	}
}