/*
lastScrollY=0;
function heartBeat(){

    diffY=document.body.scrollTop;
    
    percent=.3*(diffY-lastScrollY);
    if(percent>0)percent=Math.ceil(percent);
    else percent=Math.floor(percent);

    JSLeftID.style.pixelTop+=percent;
    JSRightID.style.pixelTop+=percent;
    lastScrollY=lastScrollY+percent;
    
}*/

function hide()  
{   
    JSLeftID.style.visibility="hidden"; 
    JSRightID.style.visibility="hidden";
    JSLeftID.onscroll.stop();
    JSRightID.onscroll.stop();
}

//window.setInterval("heartBeat()",100);

var ChatInfoPopUpScroll=Class.create();
ChatInfoPopUpScroll.prototype={
    initialize:function(_1,_2,al,vl){
        this._dstWin=_1;
        this._obj=_2;
        this._fun=false;
        this._align=al?"r":"l";
        this._valign=vl?"t":"b";
        this.start();
    }
    ,start:function(){
        if(this._onScroll){
            return;
        }
        this._pagePos=getPagePosition(this._dstWin);
        this._onScroll=this.onScroll.bindAsEventListener(this);
        Event.observe(this._dstWin,"scroll",this._onScroll);
        this._onResize=this.onResize.bindAsEventListener(this);
        Event.observe(this._dstWin,"resize",this._onResize);
    }
    ,stop:function(){
        if(!this._onScroll){
            return;
        }
        Event.stopObserving(this._dstWin,"scroll",this._onScroll);
        Event.stopObserving(this._dstWin,"resize",this._onResize);
        this._onScroll=false;
        this._onResize=false;
    }
    ,onScroll:function(_5){
        var _6=Position.cumulativeOffset(this._obj);
        var _7={
            x:_6[0],y:_6[1]
        }
        ;
        var _8=getPagePosition(this._dstWin);
        var _9=_7.x+_8.scrollLeft-this._pagePos.scrollLeft;
        var _a=_7.y+_8.scrollTop-this._pagePos.scrollTop;
        this._obj.style.left=_9+"px";
        this._obj.style.top=_a+"px";
        this._pagePos=_8;
    }
    ,onResize:function(_b){
        var _c=Position.cumulativeOffset(this._obj);
        var _d={
            x:_c[0],y:_c[1]
        }
        ;
        var _e=getPagePosition(this._dstWin);
        var _f=_d.x+(this._align=="r"?(_e.clientWidth-this._pagePos.clientWidth):0);
        var _10=_d.y+(this._valign=="b"?(_e.clientHeight-this._pagePos.clientHeight):0);
        this._obj.style.left=_f+"px";
        this._obj.style.top=_10+"px";
        this._pagePos=_e;
    }
}
JSLeftID.onscroll = new ChatInfoPopUpScroll(window,JSLeftID);
JSLeftID.onscroll.start();
JSRightID.onscroll = new ChatInfoPopUpScroll(window,JSRightID);
JSRightID.onscroll.start();