function showTip () {
	if (typeof(def_img) == 'undefined') def_img = "/images/nav_sec2/pop_pressure_default.gif";
	var x = getX ('tip_pos');
	var y = getY ('tip_pos');
	moveItSimple ('tip', x - 200, y + 0);
	document.getElementById('product_tertiary').src = def_img;
	MM_showHideLayers('tip','','show');
	}