var dom=document.getElementById;var iex=document.all;function eeSaddEvent(a,b){this[a]=b}function eeSremoveEvent(a){this[a]=null}function eeSgetElement(a,c){c=c?"document."+c+".":"";var b=dom?document.getElementById(a):iex?document.all[a]:false;b.css=b.style;b.getTop=function(){return parseInt(b.css.top,10)||0};b.setTop=function(d){b.css.top=d+"px"};b.getHeight=function(){return b.offsetHeight};b.getClipHeight=function(){return b.offsetHeight};b.hideVis=function(){b.css.visibility="hidden"};b.eeSaddEvent=eeSaddEvent;b.eeSremoveEvent=eeSremoveEvent;return b}function getYMouse(a){if(!a){var a=window.event}if(a.PageY){return a.pageY}else{if(a.clientY){return a.clientY+document.body.scrollTop}}}document.eeSaddEvent=eeSaddEvent;document.eeSremoveEvent=eeSremoveEvent;ScrollObj=function(speed,dragHeight,trackHeight,trackObj,upObj,downObj,dragObj,contentMaskObj,contentObj){this.speed=speed;this.dragHeight=dragHeight;this.trackHeight=trackHeight;this.trackObj=eeSgetElement(trackObj);this.upObj=eeSgetElement(upObj);this.downObj=eeSgetElement(downObj);this.dragObj=eeSgetElement(dragObj);this.contentMaskObj=eeSgetElement(contentMaskObj);this.contentObj=eeSgetElement(contentObj,contentMaskObj);this.obj=contentObj+"Object";eval(this.obj+"=this");var mouseChange=function(e){if(!e){e=window.event}if(e.preventDefault){e.preventDefault()}if(e.wheelDelta){delta=e.wheelDelta/120;if(window.opera){delta=-delta}}else{if(e.detail){delta=-e.detail/3}}if(delta>0){self.scroll(speed)}else{if(delta<0){self.scroll(-speed)}}e.returnValue=false};if(this.contentObj.addEventListener){this.contentObj.eeSaddEvent("onmousewheel",mouseChange);this.contentObj.addEventListener("DOMMouseScroll",mouseChange,false)}else{this.contentObj.eeSaddEvent("onmousewheel",mouseChange)}this.trackTop=this.dragObj.getTop();this.trackLength=this.trackHeight-this.dragHeight;this.trackBottom=this.trackTop+this.trackLength;this.contentMaskHeight=this.contentMaskObj.getClipHeight();this.contentHeight=this.contentObj.getHeight();this.contentLength=this.contentHeight-this.contentMaskHeight;this.scrollLength=this.trackLength/this.contentLength;this.scrollTimer=null;if(this.contentHeight<=this.contentMaskHeight){this.dragObj.hideVis();this.upObj.hideVis();this.downObj.hideVis();this.trackObj.hideVis()}else{var self=this;this.trackObj.eeSaddEvent("onmousedown",function(e){self.scrollJump(e);return false});this.upObj.eeSaddEvent("onmousedown",function(){self.scroll(self.speed,true);return false});this.upObj.eeSaddEvent("onmouseup",function(){self.stopScroll()});this.upObj.eeSaddEvent("onmouseout",function(){self.stopScroll()});this.downObj.eeSaddEvent("onmousedown",function(){self.scroll(-self.speed,true);return false});this.downObj.eeSaddEvent("onmouseup",function(){self.stopScroll()});this.downObj.eeSaddEvent("onmouseout",function(){self.stopScroll()});this.dragObj.eeSaddEvent("onmousedown",function(e){self.startDrag(e);return false});if(iex){this.dragObj.eeSaddEvent("ondragstart",function(){return false})}}};ScrollObj.prototype.startDrag=function(b){this.dragStartMouse=getYMouse(b);this.dragStartOffset=this.dragObj.getTop();var a=this;document.eeSaddEvent("onmousemove",function(c){a.drag(c)});document.eeSaddEvent("onmouseup",function(){a.stopDrag()})};ScrollObj.prototype.stopDrag=function(){document.eeSremoveEvent("onmousemove");document.eeSremoveEvent("onmouseup")};ScrollObj.prototype.drag=function(g){var a=getYMouse(g);var c=a-this.dragStartMouse;var f=this.dragStartOffset+c;var b=(f<this.trackTop)?this.trackTop:(f>this.trackBottom)?this.trackBottom:f;this.dragObj.setTop(b);var d=-(b-this.trackTop)*(1/this.scrollLength);this.contentObj.setTop(d)};ScrollObj.prototype.scroll=function(d,b){var c=this.contentObj.getTop()+d;var a=this.trackTop-Math.round(this.contentObj.getTop()*(this.trackLength/this.contentLength));if(c>0){c=0}else{if(c<-this.contentLength){c=-this.contentLength}}if(a<this.trackTop){a=this.trackTop}else{if(a>this.trackBottom){a=this.trackBottom}}this.contentObj.setTop(c);this.dragObj.setTop(a);if(b){this.scrollTimer=window.setTimeout(this.obj+".scroll("+d+","+b+")",25)}};ScrollObj.prototype.stopScroll=function(){if(this.scrollTimer){window.clearTimeout(this.scrollTimer);this.scrollTimer=null}};ScrollObj.prototype.scrollJump=function(f){var a=getYMouse(f);var d=a-findPosY(this.trackObj);var b=(d<this.trackTop)?this.trackTop:(d>this.trackBottom)?this.trackBottom:d;this.dragObj.setTop(b);var c=-(b-this.trackTop)*(1/this.scrollLength);this.contentObj.setTop(c)};ScrollObj.prototype.syncBarPosToContent=function(b){var a;if(b){a=this.trackTop-Math.round(b*(this.trackLength/this.contentLength))}else{a=this.trackTop-Math.round(this.contentObj.getTop()*(this.trackLength/this.contentLength))}this.dragObj.setTop(a)};function findPosY(b){var a=0;if(b.offsetParent){while(b.offsetParent){a+=b.offsetTop;b=b.offsetParent}}else{if(b.y){a+=b.y}}return a};