mainmenuhover = new Image();
mainmenuhover.src = "/wp-content/themes/relational_school/images/main-menu-arrow-hover.gif";

submenu = new Image();
submenu.src = "/wp-content/themes/relational_school/images/sub-menu-arrow.gif";

submenuhover = new Image();
submenuhover.src = "/wp-content/themes/relational_school/images/sub-menu-arrow-hover.gif";