window.onload=function(){
	var navi01 = document.getElementById('navigation_machine_cadcam');
	IEPNGFIX.hover(navi01, '/i/navigation/navigation_machine_cadcam_d.png');
	var navi02 = document.getElementById('navigation_machine_parallel');
	IEPNGFIX.hover(navi02, '/i/navigation/navigation_machine_parallel_d.png');
	var navi03 = document.getElementById('navigation_machine_simulation');
	IEPNGFIX.hover(navi03, '/i/navigation/navigation_machine_simulation_d.png');
	var navi04 = document.getElementById('navigation_machine_test');
	IEPNGFIX.hover(navi04, '/i/navigation/navigation_machine_test_a.png');
	var navi05 = document.getElementById('navigation_machine_circuit');
	IEPNGFIX.hover(navi05, '/i/navigation/navigation_machine_circuit_e.png');
}