function slideshow(pid) {
	pid *= 1;
	hsize = 800;
	vsize = 600;
	if (screen.width < (2 * screen.height))
	{
		hsize = screen.width;
		vsize = screen.height;
	}
	else
	{
		hsize = Math.round(1.25*screen.height);
		vsize = screen.height;
	}
	if (document.chbg)
	{
		clearInterval(document.chbg);
	}
	window.open("../../js/ms/ms_main.php?portfolio="+pid,"slideshow","location=0,statusbar=0,menubar=0,copyhistory=0,fullscreen=1,scrollbars=0,resizeable=0,width="+hsize+",height="+vsize+",top=0,left=0");
}