var menufx_menuClassRegex=new RegExp("bea-portal-book-primary-menu-single-item(?:-active)?$");function initRolloverMenus(){var b=document.getElementsByTagName("li");for(var a=0;a<b.length;a++){if(b[a].className&&b[a].className.match(menufx_menuClassRegex)){initRolloverMenu(b[a])}}}function initRolloverMenu(a){var b=getImage(a);if(b&&b.src&&b.longDesc){b.rollOffSrc=b.src;b.rollOnSrc=b.longDesc;b.fxEnabled=true;addEventToElement(b,"mouseover",fxRollIn,true);addEventToElement(b,"mouseout",fxRollOut,true)}}function getImage(b){var c;var a=b.getElementsByTagName("img");if(a&&a.length==1){c=a[0]}return c}function fxRollIn(a){var b=getEventSource(getEvent(a));if(b&&b.rollOnSrc&&b.fxEnabled){b.src=b.rollOnSrc}}function fxRollOut(a){var b=getEventSource(getEvent(a));if(b&&b.rollOffSrc&&b.fxEnabled){b.src=b.rollOffSrc}};