Layout={init:function(){document.getElementById('about').style.position='fixed';window.cPage=document.getElementById('home');if(document.getElementsByClassName){pages=document.getElementsByClassName('page');}else if(document.querySelectorAll){pages=document.querySelectorAll('div.page');}
if(document.getElementsByClassName){cols=document.getElementsByClassName('column');}else if(document.querySelectorAll){cols=document.querySelectorAll('div.column');}
Layout.centerPages();},storePage:function(element){window.pages.push(element);},storeCol:function(element){window.cols.push(element);},centerPages:function(){var p;var gap=(document.documentElement.clientWidth-960)/2;for(p=0;p<11;p++){pages[p].style.left=gap+'px';}
var x=document.getElementById('rightspacer');x.style.width=gap+'px';x.style.left=9960+gap+'px';},preScroll:function(id){Scroller.remove(window,'resize',Layout.centerPages);document.body.style.height='29000px';document.getElementById('rightspacer').style.position='absolute';cPage.style.top='';cPage.parentNode.style.left='';window.scrollTo(cPage.parentNode.offsetLeft,cPage.offsetTop);var p;var s=cPage.parentNode.childNodes;var i=s.length;for(p=0;p<i;p++){if(s[p].nodeType==1){s[p].style.position='';}}
var x;for(p=0;p<4;p++){x=cols[p];x.style.position='absolute';if(x.firstChild.nodeType==3){x.firstChild.nextSibling.style.display='';}else{x.firstChild.style.display='';}}
cPage=document.getElementById(id);document.getElementById('home').style.display='';},postScroll:function(id){var target=document.getElementById(id);var s=target.parentNode.childNodes;var i=s.length;var x=0;if(s[0].nodeType==3)x=1;if(s[x]!=target)s[x].style.display='none';if(id!='home'){document.getElementById('home').style.display='none';target.parentNode.style.left='0px';target.style.top='0px';}
window.scrollTo(0,0);var p;for(p=0;p<i;p++){if(s[p].nodeType==1){if(s[p]!=target){s[p].style.position='fixed';}}}
for(p=0;p<4;p++){if(cols[p]!=target.parentNode)cols[p].style.position='fixed';}
document.getElementById('rightspacer').style.position='fixed';document.body.style.height='auto';Scroller.add(window,'resize',Layout.centerPages);}};Scroller={speed:20,init:function(){Layout.init();if(navigator.userAgent.indexOf('Firefox')!=-1){Scroller.speed=15;}else if(navigator.userAgent.indexOf('MSIE 7')!=-1){Scroller.speed=5;}
Scroller.render();if(location.hash!=''){var l=location.hash.substr(1);var a=document.getElementsByTagName('div');for(i=0;i<a.length;i++){if(a[i].id==l){clearInterval(Scroller.interval);Layout.preScroll(l);Scroller.interval=setInterval('Scroller.scroll('+Scroller.gX(a[i])+','+Scroller.gY(a[i])+',"'+l+'")',10);}}}
Scroller.add(window,'resize',Layout.centerPages);},gY:function(d){gy=d.offsetTop;if(d.offsetParent)while(d=d.offsetParent)gy+=d.offsetTop;return gy;},gX:function(d){gx=d.parentNode.offsetLeft;return gx;},cY:function(){b=document.body;d=document.documentElement;if(b&&b.scrollTop)return b.scrollTop;if(d&&d.scrollTop)return d.scrollTop;if(window.pageYOffset)return window.pageYOffset;return 0;},cX:function(){b=document.body;d=document.documentElement;if(b&&b.scrollLeft)return b.scrollLeft;if(d&&d.scrollLeft)return d.scrollLeft;if(window.pageXOffset)return window.pageXOffset;return 0;},add:function(element,event,d){if(element.addEventListener)return element.addEventListener(event,d,false);if(element.attachEvent)return element.attachEvent('on'+event,d);},remove:function(element,event,d){if(element.removeEventListener)return element.removeEventListener(event,d,false);if(element.detachEvent)return element.detachEvent('on'+event,d);},end:function(e){if(window.event){window.event.cancelBubble=true;window.event.returnValue=false;return;}
if(e.preventDefault&&e.stopPropagation){e.preventDefault();e.stopPropagation();}},scroll:function(tx,ty,id){i=window.innerHeight||document.documentElement.clientHeight;h=document.body.scrollHeight;y=Scroller.cY();x=Scroller.cX();if(ty!=y){if(ty>y){if(h-ty>i){y+=Math.ceil((ty-y)/Scroller.speed);}
else{y+=Math.ceil((ty-y-(h-ty))/Scroller.speed);}}else{y=y+(ty-y)/Scroller.speed;}}
if(tx!=x){if(tx>x){if(h-tx>i){x+=Math.ceil((tx-x)/Scroller.speed);}else{x+=Math.ceil((tx-x-(h-tx))/Scroller.speed);}}else{x=x+(tx-x)/Scroller.speed;}}
window.scrollTo(x,y);if((y==ty||Scroller.offsetTop==y)&&(x==tx||Scroller.offsetLeft==x)){clearInterval(Scroller.interval);Layout.postScroll(id);}
Scroller.offsetTop=y;Scroller.offsetTop=x;},render:function(){a=document.getElementsByTagName('a');for(i=0;i<a.length;i++){l=a[i];if(l.href&&((l.href.indexOf('sleath.co.uk')!=-1)||(l.href.indexOf('file://')!=-1))){Scroller.add(l,'click',Scroller.end);l.onclick=function(){Scroller.end(this);var l=this.href.slice(this.href.lastIndexOf('/')+1,-5);if(l==''){l='home';}
location.hash='#'+l;var a=document.getElementsByTagName('div');for(i=0;i<a.length;i++){if(a[i].id==l){clearInterval(Scroller.interval);Layout.preScroll(l);Scroller.interval=setInterval('Scroller.scroll('+Scroller.gX(a[i])+','+Scroller.gY(a[i])+',"'+l+'")',10);}}};}}}};window.pages=new Array();window.cols=new Array();