var temp, temp2, cookieArray, cookieArray2, cookieCount;

function initiate(){

  cookieCount=0;

  if(document.cookie){

    cookieArray=document.cookie.split(";");
    cookieArray2=new Array();

    for(i in cookieArray){
      cookieArray2[cookieArray[i].split("=")[0].replace(/ /g,"")]=cookieArray[i].split("=")[1].replace(/ /g,"");
    }

  }

  cookieArray=(document.cookie.indexOf("state=")>=0)?cookieArray2["state"].split(","):new Array();

  temp=document.getElementById("containerul");

  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			= "clicker";
      temp2.style.backgroundImage	= (cookieArray.length>0)?((cookieArray[cookieCount]=="true")?"url(minus.png)":"url(plus.png)"):"url(plus.png)";
      temp2.onclick=function(){
        showhide(this.parentNode);
        writeCookie();
      }

      for(var p=0;p<temp.getElementsByTagName("li")[o].childNodes.length;p++){

        if(temp.getElementsByTagName("li")[o].childNodes[p].nodeName=="#text"){
          temp2.appendChild(temp.getElementsByTagName("li")[o].childNodes[p]);
        }

      }

      temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild)

      temp.getElementsByTagName("li")[o].getElementsByTagName("ul")[0].style.display = "none";

      if(cookieArray[cookieCount]=="true"){
        showhide(temp.getElementsByTagName("li")[o]);
      }

      cookieCount++;

    }
    else{

      temp2				= document.createElement("span");
      temp2.className			= "symbols";
      temp2.style.backgroundImage	= "url(page.png)";

      temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.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(minus.png)":"url(plus.png)";

}



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.

  cookieArray=new Array()

  for(var q=0;q<temp.getElementsByTagName("li").length;q++){

    if(temp.getElementsByTagName("li")[q].childNodes.length>0){
      if(temp.getElementsByTagName("li")[q].childNodes[0].nodeName.toLowerCase()=="span" && temp.getElementsByTagName("li")[q].getElementsByTagName("ul").length>0){

        cookieArray[cookieArray.length]=(temp.getElementsByTagName("li")[q].getElementsByTagName("ul")[0].style.display=="block");

      }
    }

  }

  document.cookie="state="+cookieArray.join(",")+";expires="+new Date(new Date().getTime() + 365*24*60*60*1000).toGMTString();

}



function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}




// Copyright © 2001 by Apple Computer, Inc., All Rights Reserved.
//
// You may incorporate this Apple sample code into your own code
// without restriction. This Apple sample code has been provided "AS IS"
// and the responsibility for its operation is yours. You may redistribute
// this code, but you are not permitted to redistribute it as
// "Apple sample code" after having made changes.

// email

function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (!(stripped.length == 10)) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    } 
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral

function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    


// username - 4-10 chars, uc, lc, and underscore only.

function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a username.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\n";
    } 
return error;
}       


// non-empty textbox

function isEmpty(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The mandatory text area has not been filled in.\n"
  }
return error;	  
}

// was textbox altered

function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen

function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list

function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}    

