var temp_technik, temp2_technik, cookieArrayTechnik, cookieArray2, cookieCount;

function initiate_technik(){
  cookieCount=0;

  if(document.cookie){

    cookieArrayTechnik=document.cookie.split(";");
    cookieArray2=new Array();
    cookieArray2[cookieArrayTechnik[0].split("=")[0].replace(/ /g,"")]=cookieArrayTechnik[0].split("=")[1].replace(/ /g,"");
  }

  cookieArrayTechnik=(document.cookie.indexOf("state=")>=0)?cookieArray2["state"].split(","):new Array();

  temp_technik=document.getElementById("infoul");

  for(var o=0;o<temp_technik.getElementsByTagName("li").length;o++){

    if(temp_technik.getElementsByTagName("li")[o].getElementsByTagName("ul").length>0){

      temp2_technik                                = document.createElement("span");
      temp2_technik.className                        = "symbols";
      temp2_technik.style.backgroundImage        = (cookieArrayTechnik.length>0)?((cookieArrayTechnik[cookieCount]=="true")?"url(images/minus01.gif)":"url(images/plus01.gif)"):"url(images/plus01.gif)";
      temp2_technik.onclick=function(){
        showhide(this.parentNode);
        writeCookie();
      }

      temp_technik.getElementsByTagName("li")[o].insertBefore(temp2_technik,temp_technik.getElementsByTagName("li")[o].firstChild)

      temp_technik.getElementsByTagName("li")[o].getElementsByTagName("ul")[0].style.display = "none";

      if(cookieArrayTechnik[cookieCount]=="true"){
        showhide(temp_technik.getElementsByTagName("li")[o]);
      }

      cookieCount++;

    }
    else{

      temp2_technik                                = document.createElement("span");
      temp2_technik.className                        = "symbols";
      temp2_technik.style.backgroundImage        = "url(page01.gif)";

      temp_technik.getElementsByTagName("li")[o].insertBefore(temp2_technik,temp_technik.getElementsByTagName("li")[o].firstChild);

    }

  }

}



function showhide(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(images/minus01.gif)":"url(images/plus01.gif)";

}



function writeCookie(){                // Runs through the menu and puts the "states" of each nested list into an array, the array is then joined together and assigned to a cookie.

  cookieArrayTechnik=new Array()

  for(var q=0;q<temp_technik.getElementsByTagName("li").length;q++){

    if(temp_technik.getElementsByTagName("li")[q].childNodes.length>0){
      if(temp_technik.getElementsByTagName("li")[q].childNodes[0].nodeName=="SPAN" && temp_technik.getElementsByTagName("li")[q].getElementsByTagName("ul").length>0){

        cookieArrayTechnik[cookieArrayTechnik.length]=(temp_technik.getElementsByTagName("li")[q].getElementsByTagName("ul")[0].style.display=="block");

      }
    }

  }

  document.cookie="state="+cookieArrayTechnik.join(",")+";expires="+new Date(new Date().getTime() + 365*24*60*60*1000).toGMTString();

}