function doBackScroll() { var pos = getScrollPosition(); window.scrollTo(Math.max(Math.floor(pos.x / 2),0), Math.max(Math.floor(pos.y - (pos.y / 5)),0)); if (pos.x > 0 || pos.y > 0) { window.setTimeout("doBackScroll()", 35); return false;}
}
function getScrollPosition() { var obj = new Object(); obj.x = document.body.scrollLeft || document.documentElement.scrollLeft; obj.y = document.body.scrollTop || document.documentElement.scrollTop; return obj;}
function addListener(elem, eventType, funcRef, capture) { if(!elem) { return false;}
if(elem.addEventListener) { elem.addEventListener(eventType, funcRef, capture);} else if(elem.attachEvent) { elem.attachEvent('on' + eventType, funcRef);} else { return false;}
return true;}
function addLoadListener(e) { addListener(document.getElementById('Back2Top'), 'click', doBackScroll, false);}
addListener(window, 'load', addLoadListener, false);