function setTopNavState(whichTopNav,whichTopNav2){ // called and set by setNavState()
 
 var totalTopNavItems = 7;
 var topNavItem = new Array();
 topNavItem[0] = document.getElementById("home");
 topNavItem[1] = document.getElementById("about");
 topNavItem[2] = document.getElementById("clinical");
 topNavItem[3] = document.getElementById("reimbursement");
 topNavItem[4] = document.getElementById("ordering");
 topNavItem[5] = document.getElementById("patient");
 topNavItem[6] = document.getElementById("contact");
 

 topNavItem[0].src="/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_home.gif";
 topNavItem[1].src="/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_aboutSynvisc.gif";
 topNavItem[2].src="/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_clinical.gif";
 topNavItem[3].src="/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_reimbursement.gif";
 topNavItem[4].src="/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_ordering.gif";
 topNavItem[5].src="/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_patient.gif";
 topNavItem[6].src="/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_contact.gif";
 

 if(whichTopNav == "home"){
  topNavItem[0].src = "/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_home.gif";
 }else if(whichTopNav == "aboutSYNVISC"){
  topNavItem[1].src = "/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_aboutSynvisc_on.gif";
 }else if(whichTopNav == "clinical"){
   topNavItem[2].src = "/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_clinical_on.gif";
 }else if(whichTopNav == "reimbursement"){
   topNavItem[3].src = "/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_reimbursement_on.gif";
 }else if(whichTopNav == "ordering"){
   topNavItem[4].src = "/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_ordering_on.gif";
 }else if(whichTopNav == "patient"){
   topNavItem[5].src = "/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_patient_on.gif";
 }else if(whichTopNav == "contact"){
   //topNavItem[6].src = "/sites/SynviscHCP/Resources/img/nav/ussyn_hcp_btn_contact_on.gif";
 }
}


function setNavState(whichPage){

var totalNavItems = 25;
var totalNavItemsSub = 12;
var navItemContainer = new Array();
 navItemContainer[0] = document.getElementById("scienceSynvisc");
 navItemContainer[1] = document.getElementById("benefitsSynvisc");
 navItemContainer[2] = document.getElementById("safetyProfile");
 navItemContainer[3] = document.getElementById("candidatesSynvisc");
 navItemContainer[4] = document.getElementById("administeringSynvisc");
 navItemContainer[5] = document.getElementById("compareSynvisc");
 navItemContainer[6] = document.getElementById("repeatSynvisc");
 navItemContainer[7] = document.getElementById("calendarEvents");
 navItemContainer[8] = document.getElementById("physicianQA");
 navItemContainer[9] = document.getElementById("clinicalInsights");
 navItemContainer[10] = document.getElementById("researchBibliography");
 navItemContainer[11] = document.getElementById("coverageOverview");
 navItemContainer[12] = document.getElementById("reimbursementOverview");
 navItemContainer[13] = document.getElementById("codingOverview");
 navItemContainer[14] = document.getElementById("claimsSubmission");
 navItemContainer[15] = document.getElementById("specialtyPharmacy");
 navItemContainer[16] = document.getElementById("formsLetters");
 navItemContainer[17] = document.getElementById("reimbursementSupport");
 navItemContainer[18] = document.getElementById("requestKit");
 navItemContainer[19] = document.getElementById("orderingOptions");
 navItemContainer[20] = document.getElementById("isws");
 navItemContainer[21] = document.getElementById("arthritisOrganizations");
 navItemContainer[22] = document.getElementById("medicalQuestion");
 navItemContainer[23] = document.getElementById("communicationPrefs");
 navItemContainer[24] = document.getElementById("feedback");
 
 
 var navItem = new Array();
 navItem[0] = document.getElementById("scienceSynviscText");
 navItem[1] = document.getElementById("benefitsSynviscText");
 navItem[2] = document.getElementById("safetyProfileText");
 navItem[3] = document.getElementById("candidatesSynviscText");
 navItem[4] = document.getElementById("administeringSynviscText");
 navItem[5] = document.getElementById("compareSynviscText");
 navItem[6] = document.getElementById("repeatSynviscText");
 navItem[7] = document.getElementById("calendarEventsText");
 navItem[8] = document.getElementById("physicianQAText");
 navItem[9] = document.getElementById("clinicalInsightsText");
 navItem[10] = document.getElementById("researchBibliographyText");
 navItem[11] = document.getElementById("coverageOverviewText");
 navItem[12] = document.getElementById("reimbursementOverviewText");
 navItem[13] = document.getElementById("codingOverviewText");
 navItem[14] = document.getElementById("claimsSubmissionText");
 navItem[15] = document.getElementById("specialtyPharmacyText");
 navItem[16] = document.getElementById("formsLettersText");
 navItem[17] = document.getElementById("reimbursementSupportText");
 navItem[18] = document.getElementById("requestKitText");
 navItem[19] = document.getElementById("orderingOptionsText");
 navItem[20] = document.getElementById("iswsText");
 navItem[21] = document.getElementById("arthritisOrganizationsText");
 navItem[22] = document.getElementById("medicalQuestionText");
 navItem[23] = document.getElementById("communicationPrefsText");
 navItem[24] = document.getElementById("feedbackText");
 
 var navItemSubContainer = new Array();
 navItemSubContainer[0] = document.getElementById("benefitsSynvisc_relief");
 navItemSubContainer[1] = document.getElementById("benefitsSynvisc_function");
 navItemSubContainer[2] = document.getElementById("benefitsSynvisc_duration");
 navItemSubContainer[3] = document.getElementById("coverage_privateInsurance");
 navItemSubContainer[4] = document.getElementById("coverage_medicare");
 navItemSubContainer[5] = document.getElementById("coverage_medicaid");
 navItemSubContainer[6] = document.getElementById("coverage_va_dod");
 navItemSubContainer[7] = document.getElementById("reimbursement_privateInsurance");
 navItemSubContainer[8] = document.getElementById("reimbursement_medicare");
 navItemSubContainer[9] = document.getElementById("reimbursement_medicaid");
 navItemSubContainer[10] = document.getElementById("commPref_subscribe");
 navItemSubContainer[11] = document.getElementById("commPref_unsubscribe");

 
 
 var navItemSub = new Array();
 navItemSub[0] = document.getElementById("benefitsSynvisc_reliefText");
 navItemSub[1] = document.getElementById("benefitsSynvisc_functionText");
 navItemSub[2] = document.getElementById("benefitsSynvisc_durationText");
 navItemSub[3] = document.getElementById("coverage_privateInsuranceText");
 navItemSub[4] = document.getElementById("coverage_medicareText");
 navItemSub[5] = document.getElementById("coverage_medicaidText");
 navItemSub[6] = document.getElementById("coverage_va_dodText");
 navItemSub[7] = document.getElementById("reimbursement_privateInsuranceText");
 navItemSub[8] = document.getElementById("reimbursement_medicareText");
 navItemSub[9] = document.getElementById("reimbursement_medicaidText");
 navItemSub[10] = document.getElementById("commPref_subscribeText");
 navItemSub[11] = document.getElementById("commPref_unsubscribeText");



 var itemContainerOff = "leftNavItemOff";
 var itemContainerOn = "leftNavItemOn";
 var itemOff = "leftNavTextOff";
 var itemOn = "leftNavTextOn";
 var itemSubContainerOff = "leftNavSubItemOff";
 var itemSubContainerOn = "leftNavSubItemOn";
 var itemSubOff = "leftNavSubTextOff";
 var itemSubOn = "leftNavSubTextOn";
 var highlightedItemContainer;
 var highlightedItem;
 
 for(i=0;i<totalNavItems;i++){
 if(navItemContainer[i]){
   navItemContainer[i].className = itemContainerOff;
   navItem[i].className = itemOff;
   }
 }
 
 for(i=0;i<totalNavItemsSub;i++){
 if(navItemSubContainer[i]){
   navItemSubContainer[i].className = itemSubContainerOff;
   navItemSub[i].className = itemSubOff;
   }
 }
 
//begin about synvisc pages
 if(whichPage == "about-synvisc"){
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "science-synvisc"){
  navItemContainer[0].className = itemContainerOn;
  navItem[0].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "benefits-synvisc"){
  navItemContainer[1].className = itemContainerOn;
  navItem[1].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "benefits-synvisc-pain-relief"){
  navItemSubContainer[0].className = itemSubContainerOn;
  navItemSub[0].className= itemSubOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "benefits-synvisc-improved-function"){
  navItemSubContainer[1].className = itemSubContainerOn;
  navItemSub[1].className= itemSubOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "benefits-synvisc-duration-pain-relief"){
  navItemSubContainer[2].className = itemSubContainerOn;
  navItemSub[2].className= itemSubOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "safety-profile"){
  navItemContainer[2].className = itemContainerOn;
  navItem[2].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "candidates-synvisc"){
  navItemContainer[3].className = itemContainerOn;
  navItem[3].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "administering-synvisc"){
  navItemContainer[4].className = itemContainerOn;
  navItem[4].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "compare-synvisc"){
  navItemContainer[5].className = itemContainerOn;
  navItem[5].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "repeat-treatment-synvisc"){
  navItemContainer[6].className = itemContainerOn;
  navItem[6].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 if(whichPage == "calendar-industry-events"){
  navItemContainer[7].className = itemContainerOn;
  navItem[7].className= itemOn;
  setTopNavState('aboutSYNVISC');
 }
 
 //begin clinical info and research
 if(whichPage == "clinical-info-research"){
  setTopNavState('clinical');
 }
 if(whichPage == "physician-qa"){
  navItemContainer[8].className = itemContainerOn;
  navItem[8].className= itemOn;
  setTopNavState('clinical');
 }
 if(whichPage == "clinical-insights"){
  navItemContainer[9].className = itemContainerOn;
  navItem[9].className= itemOn;
  setTopNavState('clinical');
 }
 if(whichPage == "research-bibliography"){
  navItemContainer[10].className = itemContainerOn;
  navItem[10].className= itemOn;
  setTopNavState('clinical');
 }
 
 //begin reimbursement
 if(whichPage == "reimbursement-resources"){
  setTopNavState('reimbursement');
 }
 if(whichPage == "coverage-overview"){
  navItemContainer[11].className = itemContainerOn;
  navItem[11].className= itemOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "coverage-private-insurance"){
  navItemSubContainer[3].className = itemSubContainerOn;
  navItemSub[3].className= itemSubOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "coverage-medicare"){
  navItemSubContainer[4].className = itemSubContainerOn;
  navItemSub[4].className= itemSubOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "coverage-medicaid"){
  navItemSubContainer[5].className = itemSubContainerOn;
  navItemSub[5].className= itemSubOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "coverage-va-dod"){
  navItemSubContainer[6].className = itemSubContainerOn;
  navItemSub[6].className= itemSubOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "reimbursement-overview"){
  navItemContainer[12].className = itemContainerOn;
  navItem[12].className= itemOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "reimbursement-private-insurance"){
  navItemSubContainer[7].className = itemSubContainerOn;
  navItemSub[7].className= itemSubOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "reimbursement-medicare"){
  navItemSubContainer[8].className = itemSubContainerOn;
  navItemSub[8].className= itemSubOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "reimbursement-medicaid"){
  navItemSubContainer[9].className = itemSubContainerOn;
  navItemSub[9].className= itemSubOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "coding-overview"){
  navItemContainer[13].className = itemContainerOn;
  navItem[13].className= itemOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "claims-submission"){
  navItemContainer[14].className = itemContainerOn;
  navItem[14].className= itemOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "specialty-pharmacy"){
  navItemContainer[15].className = itemContainerOn;
  navItem[15].className= itemOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "forms-sample-letters"){
  navItemContainer[16].className = itemContainerOn;
  navItem[16].className= itemOn;
  setTopNavState('reimbursement');
 }
 if(whichPage == "reimbursement-support"){
  navItemContainer[17].className = itemContainerOn;
  navItem[17].className= itemOn;
  setTopNavState('reimbursement');
 }
 
 //begin ordering
 if(whichPage == "ordering-synvisc"){
  setTopNavState('ordering');
 }
 if(whichPage == "request-new-account-kit"){
  navItemContainer[18].className = itemContainerOn;
  navItem[18].className= itemOn;
  setTopNavState('ordering');
 }
 if(whichPage == "ordering-options"){
  navItemContainer[19].className = itemContainerOn;
  navItem[19].className= itemOn;
  setTopNavState('ordering');
 }
 
 //begin patient education
 if(whichPage == "patient-education"){
  setTopNavState('patient');
 }
 if(whichPage == "in-step-with-synvisc"){
  navItemContainer[20].className = itemContainerOn;
  navItem[20].className= itemOn;
  setTopNavState('patient');
 }
 if(whichPage == "arthritis-organizations"){
  navItemContainer[21].className = itemContainerOn;
  navItem[21].className= itemOn;
  setTopNavState('patient');
 }
 
 
 //begin contact
 if(whichPage == "contact"){
    setTopNavState('contact');
 }
 if(whichPage == "ask-medical-question-privacy" || whichPage == "ask-medical-question" || whichPage == "ask-medical-question-thankyou"){
  navItemContainer[22].className = itemContainerOn;
  navItem[22].className= itemOn;
  setTopNavState('contact');
 }
 if(whichPage == "communication-preferences"){
  navItemContainer[23].className = itemContainerOn;
  navItem[23].className= itemOn;
  setTopNavState('contact');
 }
 if(whichPage == "subscribe-synvisc-emails"){
  navItemSubContainer[10].className = itemSubContainerOn;
  navItemSub[10].className= itemSubOn;
  setTopNavState('contact');
 }
 if(whichPage == "unsubscribe-synvisc-emails" || whichPage == "unsubscribe-synvisc-emails-thankyou"){
  navItemSubContainer[11].className = itemSubContainerOn;
  navItemSub[11].className= itemSubOn;
  setTopNavState('contact');
 }
 
 
  if(whichPage == "default" ){
  setTopNavState('home');
 }
}

function writeLeftNavTitle(title,url){
 var leftNavTitle = document.getElementById("leftNavTitle");
 leftNavTitle.innerHTML = title;
 leftNavTitle.href = url + ".aspx";
 
}