function clickCategories () {
	/*if ($('#categories').attr('style').display == 'none') {
		Effect.BlindDown('#categories');
	} else {
		Effect.SlideUp('#categories');
	}*/
	$('#categories').slideToggle(1);
}

function launch_window(page,size_x,size_y)
    {
    OpenWin = window.open(page, "Popup", "toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=yes,copyhistory=no,width="+size_x+",height="+size_y);
    }