/* navigation images for About Isentress */
var btn_about_off = new Image();	btn_about_off.src = "/isentress/hcp/images/shared/left_nav/btn_about_off.gif";
var btn_about_on = new Image();		btn_about_on.src = "/isentress/hcp/images/shared/left_nav/btn_about_on.gif";
var btn_about_over = new Image();	btn_about_over.src = "/isentress/hcp/images/shared/left_nav/btn_about_over.gif";

var btn_efficacy_secondary_off = new Image();	btn_efficacy_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_efficacy_secondary_off.gif";
var btn_efficacy_secondary_on = new Image();	btn_efficacy_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_efficacy_secondary_on.gif";
var btn_efficacy_secondary_over = new Image();	btn_efficacy_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_efficacy_secondary_over.gif";

var btn_hiv_tertiary_off = new Image();		btn_hiv_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_hiv_tertiary_off.gif";
var btn_hiv_tertiary_on = new Image();		btn_hiv_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_hiv_tertiary_on.gif";
var btn_hiv_tertiary_over = new Image();	btn_hiv_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_hiv_tertiary_over.gif";

var btn_changes_tertiary_off = new Image();		btn_changes_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_changes_tertiary_off.gif";
var btn_changes_tertiary_on = new Image();		btn_changes_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_changes_tertiary_on.gif";
var btn_changes_tertiary_over = new Image();	btn_changes_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_changes_tertiary_over.gif";

var btn_safety_secondary_off = new Image();		btn_safety_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_safety_secondary_off.gif";
var btn_safety_secondary_on = new Image();		btn_safety_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_safety_secondary_on.gif";
var btn_safety_secondary_over = new Image();	btn_safety_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_safety_secondary_over.gif";

var btn_naive_tertiary_off = new Image();	btn_naive_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_naive_tertiary_off.gif";
var btn_naive_tertiary_on = new Image();	btn_naive_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_naive_tertiary_on.gif";
var btn_naive_tertiary_over = new Image();	btn_naive_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_naive_tertiary_over.gif";

var btn_experienced_tertiary_off = new Image();	btn_experienced_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_experienced_tertiary_off.gif";
var btn_experienced_tertiary_on = new Image();	btn_experienced_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_experienced_tertiary_on.gif";
var btn_experienced_tertiary_over = new Image();	btn_experienced_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_experienced_tertiary_over.gif";

/*var btn_drug_tertiary_off = new Image();	btn_drug_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_drug_tertiary_off.gif";
var btn_drug_tertiary_on = new Image();		btn_drug_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_drug_tertiary_on.gif";
var btn_drug_tertiary_over = new Image();	btn_drug_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_drug_tertiary_over.gif";

var btn_overall_tertiary_off = new Image();		btn_overall_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_overall_tertiary_off.gif";
var btn_overall_tertiary_on = new Image();		btn_overall_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_overall_tertiary_on.gif";
var btn_overall_tertiary_over = new Image();	btn_overall_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_overall_tertiary_over.gif";*/

var btn_ssi_tertiary_off = new Image();	btn_ssi_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_ssi_tertiary_off.gif";
var btn_ssi_tertiary_on = new Image();		btn_ssi_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_ssi_tertiary_on.gif";
var btn_ssi_tertiary_over = new Image();	btn_ssi_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_ssi_tertiary_over.gif";

/*var btn_metabolic_secondary_off = new Image();	btn_metabolic_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_metabolic_secondary_off.gif";
var btn_metabolic_secondary_on = new Image();		btn_metabolic_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_metabolic_secondary_on.gif";
var btn_metabolic_secondary_over = new Image();	btn_metabolic_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_metabolic_secondary_over.gif";*/

var btn_compatibility_secondary_off = new Image();	btn_compatibility_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_compatibility_secondary_off.gif";
var btn_compatibility_secondary_on = new Image();	btn_compatibility_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_compatibility_secondary_on.gif";
var btn_compatibility_secondary_over = new Image();	btn_compatibility_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_compatibility_secondary_over.gif";

var btn_metabolic_tertiary_off = new Image();	btn_metabolic_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_metabolic_tertiary_off.gif";
var btn_metabolic_tertiary_on = new Image();	btn_metabolic_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_metabolic_tertiary_on.gif";
var btn_metabolic_tertiary_over = new Image();	btn_metabolic_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_metabolic_tertiary_over.gif";

var btn_nonarts_tertiary_off = new Image();	btn_nonarts_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_nonarts_tertiary_off.gif";
var btn_nonarts_tertiary_on = new Image();	btn_nonarts_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_nonarts_tertiary_on.gif";
var btn_nonarts_tertiary_over = new Image();	btn_nonarts_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_nonarts_tertiary_over.gif";

var btn_otherarts_tertiary_off = new Image();	btn_otherarts_tertiary_off.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_otherarts_tertiary_off.gif";
var btn_otherarts_tertiary_on = new Image();	btn_otherarts_tertiary_on.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_otherarts_tertiary_on.gif";
var btn_otherarts_tertiary_over = new Image();	btn_otherarts_tertiary_over.src = "/isentress/hcp/images/shared/left_nav/tertiary/btn_otherarts_tertiary_over.gif";

var btn_summary_secondary_off = new Image();	btn_summary_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_summary_secondary_off.gif";
var btn_summary_secondary_on = new Image();		btn_summary_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_summary_secondary_on.gif";
var btn_summary_secondary_over = new Image();	btn_summary_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_summary_secondary_over.gif";

/*navigation images for professional resources */

var btn_professional_off = new Image();		btn_professional_off.src = "/isentress/hcp/images/shared/left_nav/btn_professional_off.gif";
var btn_professional_on = new Image();		btn_professional_on.src = "/isentress/hcp/images/shared/left_nav/btn_professional_on.gif";
var btn_professional_over = new Image();	btn_professional_over.src = "/isentress/hcp/images/shared/left_nav/btn_professional_over.gif";

var btn_hiv_secondary_off = new Image();	btn_hiv_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_hiv_secondary_off.gif";
var btn_hiv_secondary_on = new Image();		btn_hiv_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_hiv_secondary_on.gif";
var btn_hiv_secondary_over = new Image();	btn_hiv_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_hiv_secondary_over.gif";

var btn_reprints_secondary_off = new Image();		btn_reprints_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_reprints_secondary_off.gif";
var btn_reprints_secondary_on = new Image();		btn_reprints_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_reprints_secondary_on.gif";
var btn_reprints_secondary_over = new Image();		btn_reprints_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_reprints_secondary_over.gif";

var btn_guidelines_secondary_off = new Image();		btn_guidelines_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_guidelines_secondary_off.gif";
var btn_guidelines_secondary_on = new Image();		btn_guidelines_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_guidelines_secondary_on.gif";
var btn_guidelines_secondary_over = new Image();	btn_guidelines_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_guidelines_secondary_over.gif";

var btn_medicus_secondary_off = new Image();	btn_medicus_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_medicus_secondary_off.gif";
var btn_medicus_secondary_on = new Image();	btn_medicus_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_medicus_secondary_on.gif";
var btn_medicus_secondary_over = new Image();	btn_medicus_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_medicus_secondary_over.gif";

var btn_manual_secondary_off = new Image();	btn_manual_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_manual_secondary_off.gif";
var btn_manual_secondary_on = new Image();	btn_manual_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_manual_secondary_on.gif";
var btn_manual_secondary_over = new Image();	btn_manual_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_manual_secondary_over.gif";

/*navigation images for digital library*/
var btn_digital_off = new Image();		btn_digital_off.src = "/isentress/hcp/images/shared/left_nav/btn_digital_off.gif";
var btn_digital_on = new Image();		btn_digital_on.src = "/isentress/hcp/images/shared/left_nav/btn_digital_on.gif";
var btn_digital_over = new Image();		btn_digital_over.src = "/isentress/hcp/images/shared/left_nav/btn_digital_over.gif";

var btn_slide_secondary_off = new Image();		btn_slide_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_slide_secondary_off.gif";
var btn_slide_secondary_on = new Image();		btn_slide_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_slide_secondary_on.gif";
var btn_slide_secondary_over = new Image();		btn_slide_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_slide_secondary_over.gif";

var btn_diagnostic_secondary_off = new Image();		btn_diagnostic_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_diagnostic_secondary_off.gif";
var btn_diagnostic_secondary_on = new Image();		btn_diagnostic_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_diagnostic_secondary_on.gif";
var btn_diagnostic_secondary_over = new Image();	btn_diagnostic_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_diagnostic_secondary_over.gif";

/*Navigation images for news & updates*/
var btn_news_off = new Image();		btn_news_off.src = "/isentress/hcp/images/shared/left_nav/btn_news_off.gif";
var btn_news_on = new Image();		btn_news_on.src = "/isentress/hcp/images/shared/left_nav/btn_news_on.gif";
var btn_news_over = new Image();	btn_news_over.src = "/isentress/hcp/images/shared/left_nav/btn_news_over.gif";

var btn_press_secondary_off = new Image();			btn_press_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_press_secondary_off.gif";
var btn_press_secondary_on = new Image();			btn_press_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_press_secondary_on.gif";
var btn_press_secondary_over = new Image();			btn_press_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_press_secondary_over.gif";

/*navigation images for Calendar*/

var btn_calendar_off = new Image();		btn_calendar_off.src = "/isentress/hcp/images/shared/left_nav/btn_calendar_off.gif";
var btn_calendar_on = new Image();		btn_calendar_on.src = "/isentress/hcp/images/shared/left_nav/btn_calendar_on.gif";
var btn_calendar_over = new Image();	btn_calendar_over.src = "/isentress/hcp/images/shared/left_nav/btn_calendar_over.gif";

var btn_calendar_secondary_off = new Image();			btn_calendar_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_calendar_secondary_off.gif";
var btn_calendar_secondary_on = new Image();			btn_calendar_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_calendar_secondary_on.gif";
var btn_calendar_secondary_over = new Image();			btn_calendar_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_calendar_secondary_over.gif";

/*navigation images for managed care coverage*/
var btn_managed_off = new Image();		btn_managed_off.src = "/isentress/hcp/images/shared/left_nav/btn_managed_off.gif";
var btn_managed_on = new Image();		btn_managed_on.src = "/isentress/hcp/images/shared/left_nav/btn_managed_on.gif";
var btn_managed_over = new Image();		btn_managed_over.src = "/isentress/hcp/images/shared/left_nav/btn_managed_over.gif";

var btn_support_secondary_off = new Image();		btn_support_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_support_secondary_off.gif";
var btn_support_secondary_on = new Image();			btn_support_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_support_secondary_on.gif";
var btn_support_secondary_over = new Image();		btn_support_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_support_secondary_over.gif";

/*navigation images for patient resources */
var btn_patient_off = new Image();	btn_patient_off.src = "/isentress/hcp/images/shared/left_nav/btn_patient_off.gif";
var btn_patient_on = new Image();	btn_patient_on.src = "/isentress/hcp/images/shared/left_nav/btn_patient_on.gif";
var btn_patient_over = new Image();	btn_patient_over.src = "/isentress/hcp/images/shared/left_nav/btn_patient_over.gif";

var btn_patient_secondary_off = new Image();	btn_patient_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_patient_secondary_off.gif";
var btn_patient_secondary_on = new Image();		btn_patient_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_patient_secondary_on.gif";
var btn_patient_secondary_over = new Image();	btn_patient_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_patient_secondary_over.gif";

var btn_clinical_secondary_off = new Image();	btn_clinical_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_clinical_secondary_off.gif";
var btn_clinical_secondary_on = new Image();	btn_clinical_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_clinical_secondary_on.gif";
var btn_clinical_secondary_over = new Image();	btn_clinical_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_clinical_secondary_over.gif";

var btn_tracker_secondary_off = new Image();	btn_tracker_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_tracker_secondary_off.gif";
var btn_tracker_secondary_on = new Image();	    btn_tracker_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_tracker_secondary_on.gif";
var btn_tracker_secondary_over = new Image();	btn_tracker_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_tracker_secondary_over.gif";

var btn_hiv101_secondary_off = new Image();	btn_hiv101_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_hiv101_secondary_off.gif";
var btn_hiv101_secondary_on = new Image();	btn_hiv101_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_hiv101_secondary_on.gif";
var btn_hiv101_secondary_over = new Image();	btn_hiv101_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_hiv101_secondary_over.gif";

/*navigation images for connect with merck*/
var btn_connect_off = new Image();	btn_connect_off.src = "/isentress/hcp/images/shared/left_nav/btn_connect_off.gif";
var btn_connect_on = new Image();	btn_connect_on.src = "/isentress/hcp/images/shared/left_nav/btn_connect_on.gif";
var btn_connect_over = new Image();	btn_connect_over.src = "/isentress/hcp/images/shared/left_nav/btn_connect_over.gif";

var btn_moc_secondary_off = new Image();	btn_moc_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_moc_secondary_off.gif";
var btn_moc_secondary_on = new Image();		btn_moc_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_moc_secondary_on.gif";
var btn_moc_secondary_over = new Image();	btn_moc_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_moc_secondary_over.gif";

var btn_rmi_secondary_off = new Image();	btn_rmi_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_rmi_secondary_off.gif";
var btn_rmi_secondary_on = new Image();		btn_rmi_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_rmi_secondary_on.gif";
var btn_rmi_secondary_over = new Image();	btn_rmi_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_rmi_secondary_over.gif";

var btn_related_secondary_off = new Image();	btn_related_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_related_secondary_off.gif";
var btn_related_secondary_on = new Image();		btn_related_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_related_secondary_on.gif";
var btn_related_secondary_over = new Image();	btn_related_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_related_secondary_over.gif";

var btn_contact_secondary_off = new Image();	btn_contact_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_contact_secondary_off.gif";
var btn_contact_secondary_on = new Image();		btn_contact_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_contact_secondary_on.gif";
var btn_contact_secondary_over = new Image();	btn_contact_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_contact_secondary_over.gif";

var btn_moa_secondary_off = new Image();	btn_moa_secondary_off.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_moa_secondary_off.gif";
var btn_moa_secondary_on = new Image();	btn_moa_secondary_on.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_moa_secondary_on.gif";
var btn_moa_secondary_over = new Image();	btn_moa_secondary_over.src = "/isentress/hcp/images/shared/left_nav/secondary/btn_moa_secondary_over.gif";

/*patient website */

var btn_pt_web_off = new Image();	btn_pt_web_off.src = "/isentress/hcp/images/shared/left_nav/btn_pt_web_off.gif";
var btn_pt_web_on = new Image();	btn_pt_web_on.src = "/isentress/hcp/images/shared/left_nav/btn_pt_web_on.gif";
var btn_pt_web_over = new Image();	btn_pt_web_over.src = "/isentress/hcp/images/shared/left_nav/btn_pt_web_over.gif";

/*my heath tracker */
var btn_myhealthtracker_off = new Image();	btn_myhealthtracker_off.src = "/isentress/hcp/images/shared/left_nav/btn_myhealthtracker_off.gif";
var btn_myhealthtracker_on = new Image();	btn_myhealthtracker_on.src = "/isentress/hcp/images/shared/left_nav/btn_myhealthtracker_on.gif";
var btn_myhealthtracker_over = new Image();	btn_myhealthtracker_over.src = "/isentress/hcp/images/shared/left_nav/btn_myhealthtracker_over.gif";

/* home */

var btn_home_off = new Image();	btn_home_off.src = "/isentress/hcp/images/shared/left_nav/btn_home_off.gif";
var btn_home_on = new Image();	btn_home_on.src = "/isentress/hcp/images/shared/left_nav/btn_home_on.gif";
var btn_home_over = new Image();	btn_home_over.src = "/isentress/hcp/images/shared/left_nav/btn_home_over.gif";

/*safety info */

var btn_safety_off = new Image();	btn_safety_off.src = "/isentress/hcp/images/shared/left_nav/btn_safety_off.gif";
var btn_safety_on = new Image();	btn_safety_on.src = "/isentress/hcp/images/shared/left_nav/btn_safety_on.gif";
var btn_safety_over = new Image();	btn_safety_over.src = "/isentress/hcp/images/shared/left_nav/btn_safety_over.gif";

/*ppi*/

var btn_ppi_off = new Image();	btn_ppi_off.src = "/isentress/hcp/images/shared/left_nav/btn_ppi_off.gif";
var btn_ppi_on = new Image();	btn_ppi_on.src = "/isentress/hcp/images/shared/left_nav/btn_ppi_on.gif";
var btn_ppi_over = new Image();	btn_ppi_over.src = "/isentress/hcp/images/shared/left_nav/btn_ppi_over.gif";

/*pi*/

var btn_pi_off = new Image();	btn_pi_off.src = "/isentress/hcp/images/shared/left_nav/btn_pi_off.gif";
var btn_pi_on = new Image();	btn_pi_on.src = "/isentress/hcp/images/shared/left_nav/btn_pi_on.gif";
var btn_pi_over = new Image();	btn_pi_over.src = "/isentress/hcp/images/shared/left_nav/btn_pi_over.gif";

/*HIV reference materials*/

var btn_reference_off = new Image();	btn_reference_off.src = "/isentress/hcp/images/shared/left_nav/btn_reference_off.gif";
var btn_reference_on = new Image();	btn_reference_on.src = "/isentress/hcp/images/shared/left_nav/btn_reference_on.gif";
var btn_reference_over = new Image();	btn_reference_over.src = "/isentress/hcp/images/shared/left_nav/btn_reference_over.gif";

/*Press Release*/

var btn_press_release_off = new Image();	btn_press_release_off.src = "/isentress/hcp/images/shared/left_nav/btn_press_release_off.gif";
var btn_press_release_on = new Image();	btn_press_release_on.src = "/isentress/hcp/images/shared/left_nav/btn_press_release_on.gif";
var btn_press_release_over = new Image();	btn_press_release_over.src = "/isentress/hcp/images/shared/left_nav/btn_press_release_over.gif";



function img_switch(img_target, img_result) { 
 if (document.images) 
 	eval('document.'+img_target+'.src='+img_result+'.src');
}