if (document.images)
	{
	m1_menu = new Image
	m1_menu_up = new Image
	m2_menu = new Image
	m2_menu_up = new Image
	m3_menu = new Image
	m3_menu_up = new Image	
	m4_menu = new Image
	m4_menu_up = new Image
	m1_menu.src = 'img/m01.jpg'
	m1_menu_up.src = 'img/m01_up.jpg'
	m2_menu.src = 'img/m02.jpg'
	m2_menu_up.src = 'img/m02_up.jpg'
	m3_menu.src = 'img/m03.jpg'
	m3_menu_up.src = 'img/m03_up.jpg'
	m4_menu.src = 'img/m04.jpg'
	m4_menu_up.src = 'img/m04_up.jpg'
	}
else
	{
	m1_menu = ""
	m1_menu_up = ""
	document.m1 = ""
	m2_menu = ""
	m2_menu_up = ""
	document.m2 = ""
	m3_menu = ""
	m3_menu_up = ""
	document.m3 = ""
	m4_menu = ""
	m4_menu_up = ""
	document.m4 = ""
	}