Something

fadehome = false;

home_button.onRollOver = function() {
	fadehome = true;
}

home_button.onRollOut = function() {
	fadehome = false;
}

fade_home.onEnterFrame = function() {
	if ( fadehome == true ) {
		this.nextFrame();
	} else {
		this.prevFrame();
	}
}

fadecompany = false;

company_button.onRollOver = function() {
	fadecompany = true;
}

company_button.onRollOut = function() {
	fadecompany = false;
}

fade_company.onEnterFrame = function() {
	if ( fadecompany == true ) {
		this.nextFrame();
	} else {
		this.prevFrame();
	}
}