// Left Nav - Main menu buttons
var btn_home_off = new Image();      btn_home_off.src = "/msppharma/images/shared/left_nav/nav_home_off.gif";
var btn_home_over = new Image();      btn_home_over.src = "/msppharma/images/shared/left_nav/nav_home_over.gif";
var btn_home_on = new Image();      btn_home_on.src = "/msppharma/images/shared/left_nav/nav_home_on.gif";

var btn_about_us_off = new Image();      btn_about_us_off.src = "/msppharma/images/shared/left_nav/nav_about_us_off.gif";
var btn_about_us_over = new Image();      btn_about_us_over.src = "/msppharma/images/shared/left_nav/nav_about_us_over.gif";
var btn_about_us_on = new Image();      btn_about_us_on.src = "/msppharma/images/shared/left_nav/nav_about_us_on.gif";

var btn_our_products_off = new Image();      btn_our_products_off.src = "/msppharma/images/shared/left_nav/nav_our_products_off.gif";
var btn_our_products_over = new Image();      btn_our_products_over.src = "/msppharma/images/shared/left_nav/nav_our_products_over.gif";
var btn_our_products_on = new Image();      btn_our_products_on.src = "/msppharma/images/shared/left_nav/nav_our_products_on.gif";

var btn_patient_assist_off = new Image();      btn_patient_assist_off.src = "/msppharma/images/shared/left_nav/nav_patient_assist_off.gif";
var btn_patient_assist_over = new Image();      btn_patient_assist_over.src = "/msppharma/images/shared/left_nav/nav_patient_assist_over.gif";
var btn_patient_assist_on = new Image();      btn_patient_assist_on.src = "/msppharma/images/shared/left_nav/nav_patient_assist_on.gif";

var btn_respon_comp_off = new Image();      btn_respon_comp_off.src = "/msppharma/images/shared/left_nav/nav_respon_comp_off.gif";
var btn_respon_comp_over = new Image();      btn_respon_comp_over.src = "/msppharma/images/shared/left_nav/nav_respon_comp_over.gif";
var btn_respon_comp_on = new Image();      btn_respon_comp_on.src = "/msppharma/images/shared/left_nav/nav_respon_comp_on.gif";

var btn_faq_off = new Image();      btn_faq_off.src = "/msppharma/images/shared/left_nav/nav_faq1_off.gif";
var btn_faq_over = new Image();     btn_faq_over.src = "/msppharma/images/shared/left_nav/nav_faq1_over.gif";
var btn_faq_on = new Image();       btn_faq_on.src = "/msppharma/images/shared/left_nav/nav_faq1_on.gif";

var btn_press_off = new Image();      btn_press_off.src = "/msppharma/images/shared/left_nav/nav_press_off.gif";
var btn_press_over = new Image();      btn_press_over.src = "/msppharma/images/shared/left_nav/nav_press_over.gif";
var btn_press_on = new Image();      btn_press_on.src = "/msppharma/images/shared/left_nav/nav_press_on.gif";

var btn_media_off = new Image();      btn_media_off.src = "/msppharma/images/shared/left_nav/nav_media_off.gif";
var btn_media_over = new Image();      btn_media_over.src = "/msppharma/images/shared/left_nav/nav_media_over.gif";
var btn_media_on = new Image();      btn_media_on.src = "/msppharma/images/shared/left_nav/nav_media_on.gif";

var btn_seas_study_off = new Image();      btn_seas_study_off.src = "/msppharma/images/shared/left_nav/nav_seas_study1_off.gif";
var btn_seas_study_over = new Image();     btn_seas_study_over.src = "/msppharma/images/shared/left_nav/nav_seas_study1_over.gif";
var btn_seas_study_on = new Image();       btn_seas_study_on.src = "/msppharma/images/shared/left_nav/nav_seas_study1_on.gif";

var btn_enhance_trial_off = new Image();      btn_enhance_trial_off.src = "/msppharma/images/shared/left_nav/nav_enhance_trial1_off.gif";
var btn_enhance_trial_over = new Image();      btn_enhance_trial_over.src = "/msppharma/images/shared/left_nav/nav_enhance_trial1_over.gif";
var btn_enhance_trial_on = new Image();      btn_enhance_trial_on.src = "/msppharma/images/shared/left_nav/nav_enhance_trial1_on.gif";

var btn_press1_off = new Image();      btn_press1_off.src = "/msppharma/images/shared/left_nav/nav_press_off.gif";
var btn_press1_over = new Image();      btn_press1_over.src = "/msppharma/images/shared/left_nav/nav_press_over.gif";
var btn_press1_on = new Image();      btn_press1_on.src = "/msppharma/images/shared/left_nav/nav_press_on.gif";

var btn_seas_study1_off = new Image();      btn_seas_study1_off.src = "/msppharma/images/shared/left_nav/nav_seas_study1_off.gif";
var btn_seas_study1_over = new Image();     btn_seas_study1_over.src = "/msppharma/images/shared/left_nav/nav_seas_study1_over.gif";
var btn_seas_study1_on = new Image();       btn_seas_study1_on.src = "/msppharma/images/shared/left_nav/nav_seas_study1_on.gif";

var btn_enhance_trial1_off = new Image();      btn_enhance_trial1_off.src = "/msppharma/images/shared/left_nav/nav_enhance_trial1_off.gif";
var btn_enhance_trial1_over = new Image();      btn_enhance_trial1_over.src = "/msppharma/images/shared/left_nav/nav_enhance_trial1_over.gif";
var btn_enhance_trial1_on = new Image();      btn_enhance_trial1_on.src = "/msppharma/images/shared/left_nav/nav_enhance_trial1_on.gif";

var btn_faq1_off = new Image();      btn_faq1_off.src = "/msppharma/images/shared/left_nav/nav_faq1_off.gif";
var btn_faq1_over = new Image();     btn_faq1_over.src = "/msppharma/images/shared/left_nav/nav_faq1_over.gif";
var btn_faq1_on = new Image();       btn_faq1_on.src = "/msppharma/images/shared/left_nav/nav_faq1_on.gif";