var temp, temp2;

function initiate2(){
  temp=document.getElementById("bigcontainerul");
  for(var o=0;o<temp.getElementsByTagName("li").length;o++){
    if(temp.getElementsByTagName("li")[o].getElementsByTagName("ul").length>0){
      temp2                                = document.createElement("span");
      temp2.className                        = "symbols";
      temp2.style.backgroundImage        = "url(plus02.gif)";
      temp2.onclick=function(){
        showhide2(this.parentNode);
      }

      temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild)
      temp.getElementsByTagName("li")[o].getElementsByTagName("ul")[0].style.display = "none";
    }
    else{
      temp2                                = document.createElement("span");
      temp2.className                        = "symbols";
      temp2.style.backgroundImage        = "url(page02.gif)";
      temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild);
    }
  }
}



function showhide2(el){
  el.getElementsByTagName("ul")[0].style.display=(el.getElementsByTagName("ul")[0].style.display=="block")?"none":"block";
  el.getElementsByTagName("span")[0].style.backgroundImage=(el.getElementsByTagName("ul")[0].style.display=="block")?"url(minus02.gif)":"url(plus02.gif)";
}