import flash.geom.Rectangle;
import flash.filters.BlurFilter;

// set the scrollbar content width and height
var sWidth:Number=350;
var sHeight:Number=250;

// set allowance at the end of the scroll
var allowance:Number=3;

// declare the scrollRect area using the Rectangle class
var rect:Rectangle=new Rectangle(0,0,sWidth,sHeight);

// declare blur filter using the Filter class
var blur:BlurFilter=new BlurFilter(0,3,5);

// calculate the content height & add allowance to it
var cHeight:Number=Math.ceil(content_mc._height)+allowance;
scroll_mc._height=Math.floor(sHeight/cHeight*sHeight); // set the scrollbar height

// bitmap caching for content_mc
content_mc.cacheAsBitmap=true;

var top:Number=0;
var btm:Number=sHeight-scroll_mc._height;

scroll_mc.onPress=function():Void{

this.startDrag(false,this._x,top,this._x,btm);
this.onMouseMove=function():Void{

updateAfterEvent();

}

// apply the blur filter when scrolling
content_mc.filters=[blur];

}

scroll_mc.onRelease=scroll_mc.onReleaseOutside=function():Void{

this.stopDrag();
this.onMouseMove=undefined;

// remove the blur filter
content_mc.filters=[];

}

scroll_mc.onEnterFrame=function():Void{

// calculate percentage of the scroll content
var percent:Number=(this._y-top)/(btm-top);

// set a new scrollRect rectangle
rect.y=percent*(cHeight-sHeight);
content_mc.scrollRect=rect;

}

scroll_mc.useHandCursor=false;



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