For drop down menus, replace the navigation code in the layout file with this:

<nav id="navigation" class="navigation">
  <cfset navCounter = 0>
  <cfset navTotalCounter = 0>
  <ul>
    <!--- you can set this to the parentID in order to change toolbar (primary navigation) to display children of a different parent  if you want to pull the main pages of the site, insert 0 as the ParentID --->   
    <cfset qry_toolbartop_ParentID = 0>

    <!--- you can omit a page from being in the toolbar (primary navigation) by putting it's pageid here --->
    <cfset qry_toolbartop_OMIT = 2350>
    
    <!--- Query to grab the main pages of the website --->
    <cfinclude template="#request.dir_globals#/layouts/qry_toolbarpages.cfm">
    
    <!--- loop through the top level pages of the website --->
    <cfoutput query="qry_toolbartop">
      
      <!--- QUERY TO PULL DROP DOWN MENU --->
      <cfquery name="qry_toolbarsub2" datasource="#request.dsn#" username="#request.dsn_username#" password="#request.dsn_password#">
          SELECT fldPageID_PK, fldTitle, fldExternalLink, fldToolBarTitle, fldParentID, fldAlias
          FROM tblPages
          WHERE fldSiteID = '#REQUEST.SiteID#' AND fldParentID = #fldPageID_PK#
            and fld_date_deleted IS NULL
          ORDER BY fldSortID
      </cfquery>
        
      <cfset navTotalCounter = navTotalCounter + 1>

      <cfif len(fldExternalLink) and not val(request.page_adminAccess)>
        <cfset link2display = fldExternalLink>

      <cfelseif val(qry_sitesecurity.fld_site_permalinks) and len(fldAlias)>
        <cfset link2display = fldAlias>

      <cfelse>
        <cfset link2display = "#variables.baseHref##request.self#/PageID/#fldPageID_PK##request.addtoken#">
      </cfif>

      <cfif fldToolBarTitle is not "">
        <cfset displayTitle = "#fldToolBarTitle#">
      <cfelse>
        <cfset displayTitle = "#fldTitle#">
      </cfif>
      <cfif fldPageID_PK EQ qry_pageinfo.fldParentID OR fldPageID_PK EQ qry_pageinfo.fldPageID_PK OR fldPageID_PK EQ qry_parentinfo.fldParentID>
        <li><a href="#link2display#" class="active <cfif navTotalCounter EQ 1>first<cfelseif navTotalCounter EQ qry_toolbartop.recordcount>last</cfif>">#displayTitle# <cfif val(qry_toolbarsub2.recordcount)><div class="subnavOpen"><span class='ico-arrow-down'></span></div></cfif></a>
      <cfelse>
        <li><a href="#link2display#" <cfif navTotalCounter EQ 1>class="first"<cfelseif navTotalCounter EQ qry_toolbartop.recordcount>class="last"</cfif>>#displayTitle# <cfif val(qry_toolbarsub2.recordcount)><div class="subnavOpen"><span class='ico-arrow-down'></span></div></cfif></a>
      </cfif>
        
        <!--- DROP DOWN MENU --->
        <cfif val(qry_toolbarsub2.recordcount)> <!--- loop #2 :  Standard Dropdown --->
          <div class="subnavMask">
            <ul class="subNav">
            <cfloop query="qry_toolbarsub2">
              <cfif len(fldExternalLink) and not val(request.page_adminAccess)>
                  <cfset link2display = fldExternalLink>
              <cfelseif val(qry_sitesecurity.fld_site_permalinks) and len(fldAlias)>
                  <cfset link2display = fldAlias>
              <cfelse>
                  <cfset link2display = "#variables.baseHref##request.self#/PageID/#fldPageID_PK##request.addtoken#">
              </cfif>
              <cfif fldToolBarTitle is not "">
                <cfset displayTitle = "#fldToolBarTitle#">
              <cfelse>
                <cfset displayTitle = "#fldTitle#">
              </cfif>

              <!--- if the page we've looped to is the parent of the current page, the current page, or grandparent of the current page --->
              <cfif fldPageID_PK EQ qry_pageinfo.fldParentID OR fldPageID_PK EQ qry_pageinfo.fldPageID_PK OR fldPageID_PK EQ qry_parentinfo.fldParentID>
                <li class="active"><a href="#link2display#">#displayTitle#</a></li>
              <cfelse>
                <li><a href="#link2display#">#displayTitle#</a></li>
              </cfif>
            </cfloop>
            </ul>
          </div>
        </li>
        <cfset navCounter = #navCounter# + 1>
        </cfif>
      
    </cfoutput>
  </ul>
</nav><!--- END NAVIGATION --->

.navigation {
  width: 70%;
  display: table-cell;
  vertical-align: middle;
  z-index: 100;
  text-align: right;
}

.navigation ul {
  position: relative;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  overflow: visible;
  font-size: 0;
}

.navigation ul li {
  display: inline-block;
}

.navigation > ul > li > a,
.navigation ul li {
  text-align: center;
  font-size: 16px;
}

.navigation > ul > li > a{
  display: block;
  padding: 8px 14px;
  margin: 0;
  color: #413d3a;
  font-weight: normal;
  line-height: 1;
  text-decoration: none;
  text-align: center;
  transition:.12s cubic-bezier(.4,0,.2,1);
}

.navigation > ul > li:hover > a,
.navigation > ul > li > a.active {
  color: #005a9c;
}

#navigation > ul > li .subNav {
  position: absolute;
  opacity: 0;
  width: 200px;
  min-width: 230px;
  padding: 8px 0;
  visibility: hidden;
  background: #fff;
  background: rgba(255,255,255,.95);
  box-shadow: 0 1px 3px 0 rgba(0,0,0,.2),0 1px 1px 0 rgba(0,0,0,.14),0 2px 1px -1px rgba(0,0,0,.12);
  transition: opacity .15s cubic-bezier(0,0,.2,1),
              -webkit-transform .15s cubic-bezier(0,0,.2,1);
  transition: transform .15s cubic-bezier(0,0,.2,1),
              opacity .15s cubic-bezier(0,0,.2,1);
  transition: transform .15s cubic-bezier(0,0,.2,1),
              opacity .15s cubic-bezier(0,0,.2,1),
              -webkit-transform .15s cubic-bezier(0,0,.2,1);
  -webkit-transform: translateY(-12px);
      -ms-transform: translateY(-12px);
          transform: translateY(-12px);
  overflow: hidden;
}

#navigation > ul > li:hover .subNav { 
  opacity: 1;
  visibility: visible;
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
    transform: translateY(0);
}

#navigation > ul > li .subNav li {
  display: block;
  font-size: 15px;
  font-weight: 500;
  text-align: left;
}

#navigation > ul > li .subNav li a {
  display: block;
  padding: 14px 28px;
  margin: 0;
  color: #262626;
  line-height: normal;
  text-decoration: none;
  transition: .15s cubic-bezier(0,0,.2,1);
}

            
#navigation > ul > li .subNav li a:hover {
  color: #005a9c;
}   

.subnavOpen {
  display: none;
}

@media (max-width: 768px) {
  
  .main-container{
    transition: -webkit-transform .2s cubic-bezier(.4,0,.2,1);
    transition: transform .2s cubic-bezier(.4,0,.2,1);
    transition: transform .2s cubic-bezier(.4,0,.2,1),
                -webkit-transform .2s cubic-bezier(.4,0,.2,1);
  }
  
  .main-container.navActive{
    -webkit-transform: translate3d(-250px,0,0);
        -ms-transform: translate3d(-250px,0,0);
            transform: translate3d(-250px,0,0);
    position: fixed;
  }
  
  .navigation {
    position: fixed;
    top: 0;
    right: -250px;
    visibility: hidden;
    display: block;
    margin: 0;
    width: 250px;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    float: none;
    transition: visibility 0s linear .15s;
    overflow: hidden;
    background: #f5f5f5;
    z-index: -1;
  }
  
  .navigation.active {
    visibility:visible;
    transition:visibility 0s linear 0s;
    overflow: scroll;
  }

  .navigation ul {
    position:relative;
    height:auto;
    width:100%;
    padding-top: 68px;
    
  }
    
  .navigation > ul > li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  }
  
  .navigation > ul > li:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.5);
  }

  .navigation ul li,.navigation ul li a {
    width: 100%;
    display: block;
    float: none;
    margin: 0;
  }

  .navigation > ul > li > a {
    position: relative;
    width: 100%;
    display: block;
    float: none;
    box-sizing: border-box;
    margin: 0;
    padding: 12px 20px;
    font-size: 16px;
    line-height: 24px;
    text-align: left;
  }
    
  .navigation ul li a:hover {
    border: none;
  }
      
      
  .subnavOpen {
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    font-size: 24px;
    text-align: center;
  }
      
  .subnavOpen,
  .subnavOpen span {
    display: block;
    height: 100%;
    line-height: 48px;
  }

  .subnavOpen span {
      width: 100%;
      transition: .2s ease-out;
  }
  
  .subnavOpen.active {
    
  }
  
  .subnavOpen.active span {
    -webkit-transform: rotateX(180deg);
            transform: rotateX(180deg);
  }
      
  .subnavMask {
    position: relative;
    height: 0;
    overflow: hidden;
    transition: .3s ease-in-out;
  }
  

  #navigation > ul > li .subNav {
    position: relative;
    width: 100%;
    opacity: 1;
    -webkit-transform: none;
        -ms-transform: none;
            transform: none;
    visibility: visible;
    box-shadow: none;
    background: #fff;
  }

}

var navigation = (function() {
  var el = $("navigation");
  var button = $("menu");
  var main = $("mainContainer");
  var navOpen = false;
  var open = function() {
    el.addClassName("active"); 
    button.addClassName("active");
    main.addClassName("navActive");
    navOpen = true;
  };
  var close = function() { 
    el.removeClassName("active"); 
    button.removeClassName("active");
    main.removeClassName("navActive");
    navOpen = false;
  };
  var events = (function() {
    button.on("click", function(event,element){
      navOpen == false ? open() : close();
    });
    Event.observe(window, "resize", function() {
      if (navOpen == true) { close() }
    });
  }());
  return {
    open: open,
    close: close
  }
}());
$("navigation").on("click", "li .subnavOpen", function(event, element) {
   event.stop();

   var li = element.up("li"),
       subnavMask = li.down(".subnavMask").getHeight();

   if (subnavMask == 0) {
      li.down(".subnavMask").setStyle({
         height: li.down("ul").getHeight() + "px"
      });
      li.down(".subnavOpen").addClassName("active");

   } else {
      li.down(".subnavMask").setStyle({
         height: 0 + "px"
      });
      li.down(".subnavOpen").removeClassName("active");
   };
});