/* rollover images for main nav */
var btn_home_off = new Image();		btn_home_off.src = "/isentress/consumer/images/shared/left_nav/btn_home_off.gif";
var btn_home_over = new Image();	btn_home_over.src = "/isentress/consumer/images/shared/left_nav/btn_home_over.gif";

var btn_hcp_off = new Image();	btn_hcp_off.src = "/isentress/consumer/images/shared/left_nav/btn_hcp_off.gif";
var btn_hcp_over = new Image();	btn_hcp_over.src = "/isentress/consumer/images/shared/left_nav/btn_hcp_over.gif";

var btn_press_off = new Image();	btn_press_off.src = "/isentress/consumer/images/shared/left_nav/btn_press_off.gif";
var btn_press_over = new Image();	btn_press_over.src = "/isentress/consumer/images/shared/left_nav/btn_press_over.gif";

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

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

var btn_materials_off = new Image();	btn_materials_off.src = "/isentress/consumer/images/shared/left_nav/btn_materials_off.gif";
var btn_materials_over = new Image();	btn_materials_over.src = "/isentress/consumer/images/shared/left_nav/btn_materials_over.gif";

var btn_rmi_off = new Image();		btn_rmi_off.src = "/isentress/consumer/images/shared/left_nav/btn_rmi_off.gif";
var btn_rmi_over = new Image();		btn_rmi_over.src = "/isentress/consumer/images/shared/left_nav/btn_rmi_over.gif";

var btn_support_off = new Image();		btn_support_off.src = "/isentress/consumer/images/shared/left_nav/btn_support_off.gif";
var btn_support_over = new Image();		btn_support_over.src = "/isentress/consumer/images/shared/left_nav/btn_support_over.gif";

var btn_savings_off = new Image();		btn_savings_off.src = "/isentress/consumer/images/shared/left_nav/btn_savings_off.gif";
var btn_savings_over = new Image();		btn_savings_over.src = "/isentress/consumer/images/shared/left_nav/btn_savings_over.gif";

var btn_medwatch_off = new Image();		btn_medwatch_off.src = "/isentress/consumer/images/shared/left_nav/btn_medwatch_off.gif";
var btn_medwatch_over = new Image();	btn_medwatch_over.src = "/isentress/consumer/images/shared/left_nav/btn_medwatch_over.gif";

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

var btn_press_on = new Image();	btn_press_on.src = "/isentress/consumer/images/shared/left_nav/btn_press_on.gif";

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

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

var btn_materials_on = new Image();	btn_materials_on.src = "/isentress/consumer/images/shared/left_nav/btn_materials_on.gif";

var btn_rmi_on = new Image();	btn_rmi_on.src = "/isentress/consumer/images/shared/left_nav/btn_rmi_on.gif";

var btn_support_on = new Image();	btn_support_on.src = "/isentress/consumer/images/shared/left_nav/btn_support_on.gif";

var btn_savings_on = new Image();	btn_savings_on.src = "/isentress/consumer/images/shared/left_nav/btn_savings_on.gif";