Mousewheel on scrollbar

i got a scrollbar script wich works fine for me. it scrolls dynamic content and all.

I only tried to add a mousewheel function. i just can get it to work.

i checked the help function at flash actionscript but i can’t get it to work does someone can help me?

kind regards Jos

function scrollUpdate ()
	var detailView = this._parent.detailView;
	detailView.bodyTxt.autoSize = true;
	if (detailView._height < Stage.height)
		this._visible = false;
		this._visible = true;
	var pxls_cont = detailView._height - Stage.height;