Related eBooks function addListenerCB(obj,type,listener){if (obj.addEventListener){obj.addEventListener(type,listener,false);return true;}else if(obj.attachEvent){obj.attachEvent('on'+type,listener);return true;}return false;} addListenerCB(window,'scroll',function(){showCbads();}) addListenerCB(window,'resize',function(){showCbads();}) addListenerCB(window,'load',function(){showCbads();}) function getCoordsCB(elem){ var box=elem.getBoundingClientRect(); var body=document.body; var docElem=document.documentElement; var scrollTop=window.pageYOffset || docElem.scrollTop || body.scrollTop; var scrollLeft=window.pageXOffset || docElem.scrollLeft || body.scrollLeft; var clientTop=docElem.clientTop || body.clientTop || 0; var clientLeft=docElem.clientLeft || body.clientLeft || 0;