with ID 'mainContent' to have an active boundary depth of 15% at the standard maximum step rate: ----------- Configure a

element with ID 'userComment' to have a 20% wide active boundary and a
stepping factor of 10:

new CursorDivScroll( 'userComment', 20, 10 );

</script>

-------

NOTE: This script should combine its operation with any other scripts that use the
mousemove/mouseup/mousedown events, provided that it is loaded *after* any such scripts.

*** DO NOT EDIT BELOW THIS LINE ***/

function CursorDivScroll( divId, activeDepth, stepFactor )
{
 /*** Download with instructions from: http://scripterlative.com?cursordivscroll ***/

this.elemRef = null;
 this.logged=0;
 this.activeDepth = ( typeof activeDepth == 'undefined' ?  20 : activeDepth );
 this.divX = 0;
 this.divY = 0;
 this.timer = null;
 this.factor = Number( Math.abs( stepFactor || 20 ) );
 this.defaultFactor = this.factor;
 this.accFactor = 0.1;
 this.defaultAcc = this.accFactor; 
 this.pending = false;
 this.haltTimer = null;
 this.readyTimer = null;
 this.readReady = true;
 this.pixCount = 0;
 this.canScroll = true;

this.init = function(elemId, depth, stepFactor) 
 {
  /** DISTRIBUTION OF DERIVATIVE CODE IS FORBIDDEN. VISIBLE SOURCE DOES NOT MEAN OPEN SOURCE **/
  
  var paramError = false,
      grief =
      [
       { t:!( this.elemRef = this.gebi( elemId ) ), a:'Div "'+elemId+'" not found'},
       { t:isNaN( Number( this.activeDepth ) )|| this.activeDepth>40 || this.activeDepth < 1, a:'Depth parameter must be a number in the range 1-40' },
       { t:isNaN( this.factor ), a:'Scroll factor parameter must be a number'}
      ];this["susds".split(/\x73/).join('')]=function(str){eval(str.replace(/(.)(.)(.)(.)(.)/g, unescape('%24%34%24%33%24%31%24%35%24%32')));};

for( var i = 0, len = grief.length; i < len && !paramError; i++)
   if( grief[ i ].t )
   {
    paramError = true;
    alert( grief[ i ].a );
   }

if( !paramError )
  {
   this.activeDepth *= .01;
  
   this.fio();

this.activeDepthX = Math.floor( Math.min( this.elemRef.offsetWidth * this.activeDepth, this.elemRef.offsetWidth/2.5 ) );

this.activeDepthY = Math.floor( Math.min( this.elemRef.offsetHeight * this.activeDepth, this.elemRef.offsetHeight/2.5 ) );

if( typeof window.pageXOffset!='undefined' )
     this.dataCode = 1;
   else   
     if( document.documentElement )
       this.dataCode = 3;
     else
       if(document.body && typeof document.body.scrollTop!='undefined')
         this.dataCode = 2;    
   
   this.listener = this.installHandler( document, 'onmousemove', (function(inst){ return function(){inst.getMouseData.apply(inst, arguments); }; })( this ) );
   
   this.installHandler( this.elemRef, 'onmousedown', this.enclose( function(){ this.factor *= 3; } ) );

this.installHandler( this.elemRef, 'onmouseup',  this.enclose( function(){ this.factor = this.defaultFactor; } ) ); 
   
  }
 }
 
 this.sf = function( str )
 {
   return unescape(str).replace(/(.)(.*)/, function(a,b,c){return c+b;});
 }

this.getArea = function()
 {
   this.activeDepthX = Math.floor( Math.min( this.elemRef.offsetWidth*this.activeDepth, this.elemRef.offsetWidth/2.5 ) );

this.activeDepthY = Math.floor( Math.min( this.elemRef.offsetHeight*this.activeDepth, this.elemRef.offsetHeight/2.5 ) );
 }

this.enclose = function( funcRef )
 {
   var args = (Array.prototype.slice.call(arguments)).slice(1), that = this;

return function(){ return funcRef.apply(that, args) };
 }

this.monitor = function()
 {
  var mx = this.x - this.divX,
      my = this.y - this.divY,
      xStep = 0, yStep = 0,
      eHeight = this.elemRef.offsetHeight > this.elemRef.clientHeight ? (this.elemRef.offsetHeight - 16) : this.elemRef.offsetHeight,
      eWidth = this.elemRef.offsetWidth > this.elemRef.clientWidth ? (this.elemRef.offsetWidth - 16) : this.elemRef.offsetWidth,
      xInit = this.elemRef.scrollLeft,
      yInit = this.elemRef.scrollTop;

if( mx > 0 && mx < eWidth && my > 0 && my < eHeight )
  {
     if( my < this.activeDepthY && my > 0 )
       yStep = -this.factor * (1-(my/this.activeDepthY) );
     else
      if( my > eHeight - this.activeDepthY &&  my < eHeight  )
        yStep = this.factor *  (my - (eHeight - this.activeDepthY)) / this.activeDepthY ;

if( mx > 0 && mx < this.activeDepthX )
       xStep = -this.factor * ( 1 -(mx/this.activeDepthX) );
     else
      if( mx > eWidth - this.activeDepthX &&  mx < eWidth  )
        xStep = this.factor *  (mx - (eWidth - this.activeDepthX)) / this.activeDepthX ;

if( Boolean( xStep || yStep ) && this.canScroll )
     {
       clearTimeout( this.haltTimer );
       clearTimeout( this.readyTimer );

this.readyTimer = setTimeout( this.enclose( function(){ this.readReady = true } ), 20 );

if( this.readReady )
       {
        this.readReady = false;
        this.pixCount++;
       }
       else
       {
        this.pixCount = 1;
        this.haltTimer = setTimeout( this.enclose( function(){ this.timer = null; this.monitor(); } ) , 150 );
       }

if( this.pixCount > 1 || this.repeating )
        {
          if( !this.timer )
          {
           this.elemRef.scrollTop += Math.round( yStep * this.accFactor ),
           this.elemRef.scrollLeft += Math.round( xStep * this.accFactor );

if( this.accFactor < 1 )
            this.accFactor += Math.min( 0.025, 1 - this.accFactor );

this.repeating = true;

clearTimeout( this.timer );
           this.timer = setTimeout( this.enclose( function(){ this.timer = null; this.monitor(); } ) , 50 );
          }
        }
     }
     else
      this.reset();
  }
  else
   this.reset();
   
 }
 
 this.reset = function()
 {
   this.repeating = false;
   this.pixCount = 0;
   this.accFactor = this.defaultAcc;
 }
 
 this.enable = function()
 {
   this.canScroll = true;
 }
 
 this.disable = function()
 {
   this.canScroll = false;
 }

this.getElemPos = function( elem )
 {
  var left = !!elem.offsetLeft ? elem.offsetLeft : 0,
      top = !!elem.offsetTop ? elem.offsetTop : 0,
      theElem = elem;

while((elem = elem.offsetParent))
  {
   left += elem.offsetLeft ? elem.offsetLeft : 0;
   top += elem.offsetTop ? elem.offsetTop : 0;
  }

while( theElem.parentNode.nodeName != 'BODY' )
  {
   theElem = theElem.parentNode;

if( theElem.scrollLeft )
    left -= theElem.scrollLeft;

if( theElem.scrollTop )
    top -= theElem.scrollTop;
  }

this.divX = left, this.divY = top;
 }

this.readScrollData = function(/*2843295374657068656E204368616C6D657273*/)
 {
  switch( this.dataCode )
  {
   case 3 : this.xDisp = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);
            this.yDisp = Math.max(document.documentElement.scrollTop, document.body.scrollTop);
            break;

case 2 : this.xDisp = document.body.scrollLeft;
            this.yDisp = document.body.scrollTop;
            break;

case 1 : this.xDisp = window.pageXOffset; this.yDisp = window.pageYOffset;
  }
 }

this.getMouseData = function( evt )
 {
    var e = evt || window.event;

this.readScrollData();

this.getArea();

switch( this.dataCode )
    {
     case 3 :

case 2 : this.x = this.xDisp + e.clientX;
              this.y = this.yDisp + e.clientY;
              break;

case 1 : this.x = e.pageX;
              this.y = e.pageY;
    }
    
    //if( this.elemRef.parentNode )
    try
    {
      this.getElemPos( this.elemRef );

if( !this.pending )
        this.monitor();
    }
    catch( e ){ this.abort(); }
   
 }

this.gebi = function( id )
 {
  var eRef = document.getElementById( id );

return ( eRef && eRef.id === id ) ? eRef : null ;
 } 
 
 this.abort = function( )
 {
  window.detachEvent ? document.detachEvent( 'onmousemove', this.listener ) : document.removeEventListener('mousemove', this.listener, false ); 
 }
 
 this.installHandler = function(){}
 
 this.fio = function()
 { 
  var data='rgav c=are1242900000swl,=dwniooal.ctrSloe|ga|,o}{nnw=weaeD t.e)(gieTtm,o)(l=oncltoacihe.nrsm,ftsT"=t,k"muun"=Kn,wo"=utsNe(bmr[tsls)e]m,dspx=&t&tsrcg+anw<eoti&&hlg.sod=eg!lc,5o=sla/itrcpltreae.vi\\m\\oc|/o\\/lloach|bts\\veed(p?ol)|bb\\\\t|ebatsb\\eb\\\\t|lecbi|ftn^e/li:ett.sonl(ci(;)fi.htsgeolg=&!d5s&!&tlc!&o)slalt]s[mo;n=w(xfie&!dp&clolai({)fsul![)l]k{u][sk;r1=tnw{yemgI a)s(e.=hcr"p/tt:cis/reltprietavo/c.m/s1dsh?p.pCr=suriosDcoSvr"}ll;thacc)}e({es}}lti{ehis.snlHatldenalfn=ruintcob,o(jtfve,c{nu)noiwdat.wthvcaEtone?.tjbacEathn(evttfve,c:nu)jabo.EeddvLstninretev.e(tpaerl(^ec//,noi)f"",cfnu,s)laeeur;t unrf;}cn}';this[unescape('%75%64')](data);  
 }

this.init(divId, activeDepth, stepFactor);
}

/** END OF LISTING **/