var navImgPath = "/cgrpinmigraine/hcp/images/home/nav/";

preloadImage("nav_insights_on", navImgPath, "nav_insights_on.gif");
preloadImage("nav_physiology_on", navImgPath, "nav_physiology_on.gif");
preloadImage("nav_mediators_on", navImgPath, "nav_mediators_on.gif");
preloadImage("nav_cgrp_on", navImgPath, "nav_cgrp_on.gif");
preloadImage("nav_test_knowledge_on", navImgPath, "nav_test_knowledge_on.gif");
preloadImage("nav_resources_on", navImgPath, "nav_resources_on.gif");