var isIE,isNN;
    function checkBrow() {
	var vers = parseInt(navigator.appVersion);
	var agt = navigator.userAgent.toLowerCase();
	if (agt.indexOf("win")!=-1) {
	    var plat = "pc";
	} else if (agt.indexOf("mac")!=-1) {
	    var plat = "mac";
	}
    }

    checkBrow();
    var click_to_open_menu = 0;
    var y_offset = 120;
    var x_offset = 15;
    var main_menu_bg_color = '#0066CC';
    var main_menu_hl_color = '#003399';
    var main_menu_bg_img_url = '';
    var main_menu_hl_img_url = '';
    var sub_menu_bg_color = '#0066FF';
    var sub_menu_hl_color = '#003399';
    var sub_menu_bg_img_url = '';
    var sub_menu_hl_img_url = '';
    var sub_sub_menu_bg_color = '#0066FF';
    var sub_sub_menu_hl_color = '#003399';
    var sub_sub_menu_bg_img_url = '';
    var sub_sub_menu_hl_img_url = '';
    var element_height = 20;
    var element_width = 132;
    var orientation = 'horizontal';
    if (isIE || isNN) { 


	    var Activities = new NavBarItem("Activities","http://ecai.org/activities/index.html", true, false);
	 Activities.cascade.addMember("Conferences","http://ecai.org/activities/conferences.asp",false);
         Activities.cascade.addMember("Events","http://ecai.org/activities/events.asp",false);
//         Activities.cascade.addMember("News Highlights","http://ecai.org/activities/news.html",false);
         

	    var Community = new NavBarItem("Community","http://ecai.org/community/index.html", true, false);
         Community.cascade.addMember("ECAI Central","http://ecai.org/community/ecaicentral.html",false);         
         Community.cascade.addMember("Strategy Committee","http://ecai.org/community/strategycommittee.html",false);
         Community.cascade.addMember("Editors","http://ecai.org/community/editors.html",false);
            var Teams = Community.cascade.addMember("Teams","http://ecai.org/community/teams.html",true);
            Teams.cascade.addMember("Region","http://ecai.org/area/areateamlist.asp",false);	    
            Teams.cascade.addMember("Theme","http://ecai.org/theme/themeteamlist.asp",false);
            Teams.cascade.addMember("Technical","http://ecai.org/tech/techteamlist.asp",false);
         Community.cascade.addMember("Affiliates","http://ecai.org/members/membershiplist.asp",false);         
         Community.cascade.addMember("Institutions",
               "http://ecai.org/institutions/institutionlist.asp",false);
         
         Community.cascade.addMember("Partners & Centers",
               "http://ecai.org/community/centers/primarycenterlist.html",false);         
         Community.cascade.addMember("Sponsors","http://ecai.org/community/ecaisponsors.html",false);
         Community.cascade.addMember("Discussion Forums","http://ecai.org/community/ECAIforums.html",false);
        



	    var Projects = new NavBarItem("Projects","http://ecai.org/projects/index.html", true, false);
         Projects.cascade.addMember("Featured Projects","http://ecai.org/projects/projectexamples.asp",false);
         Projects.cascade.addMember("Project List","http://ecai.org/projects/projectlist.asp",false);
         Projects.cascade.addMember("Research Initiatives",
              "http://ecai.org/projects/researchinitiatives.html",false);
         Projects.cascade.addMember("ePublications","http://ecai.org/projects/epublications.html",false);
         Projects.cascade.addMember("Education/Pedagogy","http://ecai.org/projects/pedagogy.html",false);
         



	    var Technology = new NavBarItem("Technology","http://ecai.org/tech/index.html", true, false);
	 Technology.cascade.addMember("ECAI Clearinghouse","http://ecai.org/tech/mdch.html",false);
	 Technology.cascade.addMember("TimeMap","http://ecai.org/tech/timemap.html",false);
         Technology.cascade.addMember("Knowledgebase",
              "http://ecai.org/knowledgebase/knowledgebase-selector.asp",false);
	 Technology.cascade.addMember("FAQ","http://ecai.org/knowledgebase/kb-faqmenu.asp",false);
         Technology.cascade.addMember("Support Services","http://ecai.org/tech/uss.html",false);
         Technology.cascade.addMember("Technical Teams","http://ecai.org/tech/techteamlist.asp",false);
	   var Research = Technology.cascade.addMember("Research Goals","http://ecai.org/tech/researchgoals.html",true);
	 Research.cascade.addMember("Architecture","http://ecai.org/tech/info_architecture.html",false);
         Research.cascade.addMember("Infrastructure","http://ecai.org/tech/infrastructure.html",false);




	    var Participating = new NavBarItem("Participating","http://ecai.org/participating/index.html", 
                true, false);
	 Participating.cascade.addMember("Using the Cultural Atlas",
              "http://ecai.org/participating/usingecai.html",false);
         Participating.cascade.addMember("Creating & Publishing",
              "http://ecai.org/participating/buildpub.html",false);
         Participating.cascade.addMember("Support ECAI","http://ecai.org/community/ecaisponsors.html",false);	 
         Participating.cascade.addMember("Join Us","http://ecai.org/participating/joinus.html",false);
	    

	
 }
    if (isIE || isNN) MakeNavLayers();