dw_scrollLayers={};dw_scrollLayer.speed=100;function dw_scrollLayer(wnId,lyrId,cntId){this.id=wnId;dw_scrollLayers[this.id]=this;this.animString="dw_scrollLayers."+this.id;this.loadLayer(lyrId,cntId);}
dw_scrollLayer.prototype.loadLayer=function(lyrId,cntId){if(!document.getElementById)return;var wndo,lyr;if(this.lyrId){lyr=document.getElementById(this.lyrId);lyr.style.visibility="hidden";}
lyr=document.getElementById(lyrId);wndo=document.getElementById(this.id);lyr.style.top=this.y=0;lyr.style.left=this.x=0;this.maxY=(lyr.offsetHeight-wndo.offsetHeight>0)?lyr.offsetHeight-wndo.offsetHeight:0;this.wd=cntId?document.getElementById(cntId).offsetWidth:lyr.offsetWidth;this.maxX=(this.wd-wndo.offsetWidth>0)?this.wd-wndo.offsetWidth:0;this.lyrId=lyrId;lyr.style.visibility="visible";this.on_load();this.ready=true;}
dw_scrollLayer.prototype.on_load=function(){}
dw_scrollLayer.prototype.shiftTo=function(lyr,x,y){lyr.style.left=(this.x=x)+"px";lyr.style.top=(this.y=y)+"px";}
dw_scrollLayer.prototype.startScroll=function(dir,speed){if(!this.ready)return;if(this.timerId)clearInterval(this.timerId);this.speed=speed||dw_scrollLayer.speed;this.lyr=document.getElementById(this.lyrId);if(dir=="up"||dir=="down"){this.xdir=0;this.endX=parseInt(this.lyr.style.left);this.ydir=(dir=="down")?-1:1;this.endY=(dir=="down")?-this.maxY:0;}else if(dir=="right"||dir=="left"){this.ydir=0;this.endY=parseInt(this.lyr.style.top);this.xdir=(dir=="right")?-1:1;this.endX=(dir=="right")?-this.maxX:0;}else{alert("Up, down, left, and right are the only scroll directions currently supported.");return;}
this.lastTime=(new Date()).getTime();this.on_scroll_start();this.timerId=setInterval(this.animString+".scroll()",10);}
dw_scrollLayer.prototype.scroll=function(){var now=(new Date()).getTime();var x=this.x+this.xdir*(now-this.lastTime)/1000*this.speed;var y=this.y+this.ydir*(now-this.lastTime)/1000*this.speed;if((this.xdir==-1&&x>-this.maxX)||(this.xdir==1&&x<0)||(this.ydir==-1&&y>-this.maxY)||(this.ydir==1&&y<0)){this.lastTime=now;this.shiftTo(this.lyr,x,y);this.on_scroll(x,y);}else{clearInterval(this.timerId);this.timerId=0;this.shiftTo(this.lyr,this.endX,this.endY);this.on_scroll_end(this.endX,this.endY);}}
dw_scrollLayer.prototype.stopScroll=function(){if(!this.ready)return;if(this.timerId)clearInterval(this.timerId);this.timerId=0;this.lyr=null;}
dw_scrollLayer.prototype.on_scroll=function(){}
dw_scrollLayer.prototype.on_scroll_start=function(){}
dw_scrollLayer.prototype.on_scroll_end=function(){}
function GeckoTableBugFix(){var i,wndo,holderId,holder,x,y;if(navigator.userAgent.indexOf("Gecko")>-1){dw_scrollLayer.hold=[];for(i=0;arguments[i];i++){if(dw_scrollLayers[arguments[i]]){wndo=document.getElementById(arguments[i]);holderId=wndo.parentNode.id;holder=document.getElementById(holderId);document.body.appendChild(holder.removeChild(wndo));wndo.style.zIndex=1000;x=holder.offsetLeft;y=holder.offsetTop;wndo.style.left=x+"px";wndo.style.top=y+"px";dw_scrollLayer.hold[i]=[arguments[i],holderId];}}
window.addEventListener("resize",rePositionGecko,true);}}
function rePositionGecko(){var i,wndo,holder,x,y;if(dw_scrollLayer.hold){for(i=0;dw_scrollLayer.hold[i];i++){wndo=document.getElementById(dw_scrollLayer.hold[i][0]);holder=document.getElementById(dw_scrollLayer.hold[i][1]);x=holder.offsetLeft;y=holder.offsetTop;wndo.style.left=x+"px";wndo.style.top=y+"px";}}}