function writenavinfo(){
	var navhl = '<div style="position:absolute;left:300px;top:166px;z-index:1;width:200px; padding-top:30px">';
	navhl += '<a href="usefull_info.asp" class=menu_alt>table dimensions&nbsp;&nbsp;|</a><br>';
	navhl += '<a href="shipment_details.asp" class=menu_alt>shipment details&nbsp;&nbsp;|</a><br>';
	navhl += '</div>';
document.write (navhl);
}