ExternalInterface.call("jquery. scrollTo") from Flash buttons causes IE "Error on page." and no scroll

function scrollToAbout(){
$(window).scrollTo( {top:'2073px', left:'0px'}, 800 );
}
function scrollToPortfolio(){
$(window).scrollTo( {top:'0px', left:'0px'}, 800 );
}
function scrollToContact(){
$(window).scrollTo( {top:'2779px', left:'0px'}, 800 );
}

import flash.external.ExternalInterface;

about.buttonMode = true;
about.mouseChildren = false;
about.addEventListener(MouseEvent.MOUSE_OVER, aboutOver);
about.addEventListener(MouseEvent.MOUSE_OUT, aboutOut);
about.addEventListener(MouseEvent.CLICK, aboutClickHandler);

function aboutOver(event:MouseEvent)
{
	about.gotoAndPlay("overAbout");
};

function aboutOut(event:MouseEvent)
{
	about.gotoAndPlay("outAbout");
};

function aboutClickHandler(event:MouseEvent):void
{
	ExternalInterface.call("scrollToAbout");
};


portfolio.buttonMode = true;
portfolio.mouseChildren = false;
portfolio.addEventListener(MouseEvent.MOUSE_OVER, portfolioOver);
portfolio.addEventListener(MouseEvent.MOUSE_OUT, portfolioOut);
portfolio.addEventListener(MouseEvent.CLICK, portfolioClickHandler);

function portfolioOver(event:MouseEvent)
{
	portfolio.gotoAndPlay("overPortfolio");
};

function portfolioOut(event:MouseEvent)
{
	portfolio.gotoAndPlay("outPortfolio");
};

function portfolioClickHandler(event:MouseEvent):void
{
	ExternalInterface.call("scrollToPortfolio");
};


contact.buttonMode = true;
contact.mouseChildren = false;
contact.addEventListener(MouseEvent.MOUSE_OVER, contactOver);
contact.addEventListener(MouseEvent.MOUSE_OUT, contactOut);
contact.addEventListener(MouseEvent.CLICK, contactClickHandler);

function contactOver(event:MouseEvent)
{
	contact.gotoAndPlay("overContact");
};

function contactOut(event:MouseEvent)
{
	contact.gotoAndPlay("outContact");
};

function contactClickHandler(event:MouseEvent):void
{
	ExternalInterface.call("scrollToContact");
};