function init(){if(!document.body)return;var e=document.body;var t=document.documentElement;var n=window.innerHeight;var r=e.scrollHeight;root=document.compatMode.indexOf("CSS")>=0?t:e;activeElement=e;initdone=true;if(top!=self){frame=true}else if(r>n&&(e.offsetHeight<=n||t.offsetHeight<=n)){var i=false;var s=function(){if(!i&&t.scrollHeight!=document.height){i=true;setTimeout(function(){t.style.height=document.height+"px";i=false},500)}};t.style.height="";setTimeout(s,10);addEvent("DOMNodeInserted",s);addEvent("DOMNodeRemoved",s);if(root.offsetHeight<=n){var o=document.createElement("div");o.style.clear="both";e.appendChild(o)}}if(document.URL.indexOf("mail.google.com")>-1){var u=document.createElement("style");u.innerHTML=".iu { visibility: hidden }";(document.getElementsByTagName("head")[0]||t).appendChild(u)}if(!fixedback&&!disabled){e.style.backgroundAttachment="scroll";t.style.backgroundAttachment="scroll"}}function scrollArray(e,t,n,r){r||(r=1e3);directionCheck(t,n);if(acceleration){var i=+(new Date);var s=i-lastScroll;if(s<accelDelta){var o=(1+30/s)/2;if(o>1){o=Math.min(o,accelMax);t*=o;n*=o}}lastScroll=+(new Date)}que.push({x:t,y:n,lastX:t<0?.99:-.99,lastY:n<0?.99:-.99,start:+(new Date)});if(pending){return}var u=e===document.body;var a=function(){var i=+(new Date);var s=0;var o=0;for(var f=0;f<que.length;f++){var l=que[f];var c=i-l.start;var h=c>=animtime;var p=h?1:c/animtime;if(pulseAlgorithm){p=pulse(p)}var d=l.x*p-l.lastX>>0;var v=l.y*p-l.lastY>>0;s+=d;o+=v;l.lastX+=d;l.lastY+=v;if(h){que.splice(f,1);f--}}if(u){window.scrollBy(s,o)}else{if(s)e.scrollLeft+=s;if(o)e.scrollTop+=o}if(!t&&!n){que=[]}if(que.length){requestFrame(a,e,r/framerate+1)}else{pending=false}};requestFrame(a,e,0);pending=true}function wheel(e){if(!initdone){init()}var t=e.target;var n=overflowingAncestor(t);if(!n||e.defaultPrevented||isNodeName(activeElement,"embed")||isNodeName(t,"embed")&&/\.pdf/i.test(t.src)){return true}var r=e.wheelDeltaX||0;var i=e.wheelDeltaY||0;if(!r&&!i){i=e.wheelDelta||0}if(Math.abs(r)>1.2){r*=stepsize/120}if(Math.abs(i)>1.2){i*=stepsize/120}scrollArray(n,-r,-i);e.preventDefault()}function keydown(e){var t=e.target;var n=e.ctrlKey||e.altKey||e.metaKey||e.shiftKey&&e.keyCode!==key.spacebar;if(/input|textarea|select|embed/i.test(t.nodeName)||t.isContentEditable||e.defaultPrevented||n){return true}if(isNodeName(t,"button")&&e.keyCode===key.spacebar){return true}var r,i=0,s=0;var o=overflowingAncestor(activeElement);var u=o.clientHeight;if(o==document.body){u=window.innerHeight}switch(e.keyCode){case key.up:s=-arrowscroll;break;case key.down:s=arrowscroll;break;case key.spacebar:r=e.shiftKey?1:-1;s=-r*u*.9;break;case key.pageup:s=-u*.9;break;case key.pagedown:s=u*.9;break;case key.home:s=-o.scrollTop;break;case key.end:var a=o.scrollHeight-o.scrollTop-u;s=a>0?a+10:0;break;case key.left:i=-arrowscroll;break;case key.right:i=arrowscroll;break;default:return true}scrollArray(o,i,s);e.preventDefault()}function mousedown(e){activeElement=e.target}function setCache(e,t){for(var n=e.length;n--;)cache[uniqueID(e[n])]=t;return t}function overflowingAncestor(e){var t=[];var n=root.scrollHeight;do{var r=cache[uniqueID(e)];if(r){return setCache(t,r)}t.push(e);if(n===e.scrollHeight){if(!frame||root.clientHeight+10<n){return setCache(t,document.body)}}else if(e.clientHeight+10<e.scrollHeight){overflow=getComputedStyle(e,"").getPropertyValue("overflow-y");if(overflow==="scroll"||overflow==="auto"){return setCache(t,e)}}}while(e=e.parentNode)}function addEvent(e,t,n){window.addEventListener(e,t,n||false)}function removeEvent(e,t,n){window.removeEventListener(e,t,n||false)}function isNodeName(e,t){return(e.nodeName||"").toLowerCase()===t.toLowerCase()}function directionCheck(e,t){e=e>0?1:-1;t=t>0?1:-1;if(direction.x!==e||direction.y!==t){direction.x=e;direction.y=t;que=[];lastScroll=0}}function pulse_(e){var t,n,r;e=e*pulseScale;if(e<1){t=e-(1-Math.exp(-e))}else{n=Math.exp(-1);e-=1;r=1-Math.exp(-e);t=n+r*(1-n)}return t*pulseNormalize}function pulse(e){if(e>=1)return 1;if(e<=0)return 0;if(pulseNormalize==1){pulseNormalize/=pulse_(1)}return pulse_(e)}var framerate=150;var animtime=800;var stepsize=80;var pulseAlgorithm=true;var pulseScale=8;var pulseNormalize=1;var acceleration=true;var accelDelta=10;var accelMax=1;var keyboardsupport=true;var disableKeyboard=false;var arrowscroll=50;var exclude="";var disabled=false;var frame=false;var direction={x:0,y:0};var initdone=false;var fixedback=true;var root=document.documentElement;var activeElement;var key={left:37,up:38,right:39,down:40,spacebar:32,pageup:33,pagedown:34,end:35,home:36};var que=[];var pending=false;var lastScroll=+(new Date);var cache={};setInterval(function(){cache={}},10*1e3);var uniqueID=function(){var e=0;return function(t){return t.uniqueID||(t.uniqueID=e++)}}();var requestFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||function(e,t,n){window.setTimeout(e,n||1e3/60)}}();addEvent("mousedown",mousedown);addEvent("mousewheel",wheel);addEvent("load",init)