function showArrowSP()
{
	setArrowSP('images/icon_play_transparent.gif');
}

function hideArrowSP()
{
	setArrowSP('images/spacer_trans.gif');
}

function setArrowSP(img)
{
	arrow = document.getElementById('startpage_img');
	arrow.src=img;
}

function redirect(url)
{
	window.location = url;
}