how to make a website in flash?

I am using Adobe Flash Creative Suite 3 and wondering how come my script isnt working

stop();

head_btn.addEventListener(MouseEvent.CLICK, onClick1);

function onClick1(event:MouseEvent): void
{
gotoAndStop ("step1");
    
}

body_btn.addEventListener(MouseEvent.CLICK, onClick2);

function onClick2(event:MouseEvent): void
{
gotoAndStop ("step2");
    
}

legs_btn.addEventListener(MouseEvent.CLICK, onClick3);

function onClick3(event:MouseEvent): void
{
gotoAndStop ("step3");
    
}

overall_btn.addEventListener(MouseEvent.CLICK, onClick4);

function onClick4(event:MouseEvent): void
{
gotoAndStop ("step4");