if (document.images) {
		
		if(!rootPath) var rootPath = '';
		
		var menu01on = new Image()
		menu01on.src = rootPath + "images/buttons/on/menu_01.gif"
		var menu01off = new Image() 
		menu01off.src = rootPath + "images/buttons/off/menu_01.gif"

		var menu02on = new Image()
		menu02on.src = rootPath + "images/buttons/on/menu_02.gif"
		var menu02off = new Image() 
		menu02off.src = rootPath + "images/buttons/off/menu_02.gif"

			var menu02_1on = new Image()
			menu02_1on.src = rootPath + "images/buttons/on/menu_02_01.gif"
			var menu02_1off = new Image() 
			menu02_1off.src = rootPath + "images/buttons/off/menu_02_01.gif"
			
			var menu02_2on = new Image()
			menu02_2on.src = rootPath + "images/buttons/on/menu_02_02.gif"
			var menu02_2off = new Image() 
			menu02_2off.src = rootPath + "images/buttons/off/menu_02_02.gif"
			
			var menu02_3on = new Image()
			menu02_3on.src = rootPath + "images/buttons/on/menu_02_03.gif"
			var menu02_3off = new Image() 
			menu02_3off.src = rootPath + "images/buttons/off/menu_02_03.gif"


		var menu03on = new Image()
		menu03on.src = rootPath + "images/buttons/on/menu_03.gif"
		var menu03off = new Image() 
		menu03off.src = rootPath + "images/buttons/off/menu_03.gif"
		
			var menu03_1on = new Image()
			menu03_1on.src = rootPath + "images/buttons/on/menu_03_01.gif"
			var menu03_1off = new Image() 
			menu03_1off.src = rootPath + "images/buttons/off/menu_03_01.gif"
			
			var menu03_2on = new Image()
			menu03_2on.src = rootPath + "images/buttons/on/menu_03_02.gif"
			var menu03_2off = new Image() 
			menu03_2off.src = rootPath + "images/buttons/off/menu_03_02.gif"

		var menu04on = new Image()
		menu04on.src = rootPath + "images/buttons/on/menu_04.gif"
		var menu04off = new Image() 
		menu04off.src = rootPath + "images/buttons/off/menu_04.gif"
		
			var menu04_1on = new Image()
			menu04_1on.src = rootPath + "images/buttons/on/menu_04_01.gif"
			var menu04_1off = new Image() 
			menu04_1off.src = rootPath + "images/buttons/off/menu_04_01.gif"
			
		var menu05on = new Image()
		menu05on.src = rootPath + "images/buttons/on/menu_05.gif"
		var menu05off = new Image() 
		menu05off.src = rootPath + "images/buttons/off/menu_05.gif"
		
			var menu05_1on = new Image()
			menu05_1on.src = rootPath + "images/buttons/on/menu_05_01.gif"
			var menu05_1off = new Image() 
			menu05_1off.src = rootPath + "images/buttons/off/menu_05_01.gif"
			
			var menu05_2on = new Image()
			menu05_2on.src = rootPath + "images/buttons/on/menu_05_02.gif"
			var menu05_2off = new Image() 
			menu05_2off.src = rootPath + "images/buttons/off/menu_05_02.gif"
			
			var menu05_3on = new Image()
			menu05_3on.src = rootPath + "images/buttons/on/menu_05_03.gif"
			var menu05_3off = new Image() 
			menu05_3off.src = rootPath + "images/buttons/off/menu_05_03.gif"
			
			var menu05_4on = new Image()
			menu05_4on.src = rootPath + "images/buttons/on/menu_05_04.gif"
			var menu05_4off = new Image() 
			menu05_4off.src = rootPath + "images/buttons/off/menu_05_04.gif"
			
			var menu05_5on = new Image()
			menu05_5on.src = rootPath + "images/buttons/on/menu_05_05.gif"
			var menu05_5off = new Image() 
			menu05_5off.src = rootPath + "images/buttons/off/menu_05_05.gif"
			
		var menu06on = new Image()
		menu06on.src = rootPath + "images/buttons/on/menu_06.gif"
		var menu06off = new Image() 
		menu06off.src = rootPath + "images/buttons/off/menu_06.gif"
		
			var menu06_1on = new Image()
			menu06_1on.src = rootPath + "images/buttons/on/menu_06_01.gif"
			var menu06_1off = new Image() 
			menu06_1off.src = rootPath + "images/buttons/off/menu_06_01.gif"
			
			var menu06_2on = new Image()
			menu06_2on.src = rootPath + "images/buttons/on/menu_06_02.gif"
			var menu06_2off = new Image() 
			menu06_2off.src = rootPath + "images/buttons/off/menu_06_02.gif"
			
		
			var menu07_1on = new Image()
			menu07_1on.src = rootPath + "images/buttons/on/menu_07_01.gif"
			var menu07_1off = new Image() 
			menu07_1off.src = rootPath + "images/buttons/off/menu_07_01.gif"
			
			var menu07_2on = new Image()
			menu07_2on.src = rootPath + "images/buttons/on/menu_07_02.gif"
			var menu07_2off = new Image() 
			menu07_2off.src = rootPath + "images/buttons/off/menu_07_02.gif"
			
			
		var langon = new Image()
		langon.src = rootPath + "images/buttons/on/lang_jp.gif"
		var langoff = new Image() 
		langoff.src = rootPath + "images/buttons/off/lang_jp.gif"
		
		var emailon = new Image()
		emailon.src = rootPath + "images/buttons/on/tomailform.gif"
		var emailoff = new Image() 
		emailoff.src = rootPath + "images/buttons/off/tomailform.gif"
	}

function inact(imgName) {
	if (document.images)
    document[imgName].src = eval(imgName + 'off.src');
}

function act(imgName) {
  if (document.images)
    document[imgName].src = eval(imgName + 'on.src');
}