var boardFlag;
		function changeTab(tabStr) {
			if (tabStr == "sub01") {
				document.getElementById('sub01').style.display = '';
				document.getElementById('sub02').style.display = 'none';
				document.getElementById('sub03').style.display = 'none';
				document.getElementById('sub04').style.display = 'none';
				document.getElementById('sub05').style.display = 'none';
			} else if (tabStr == "sub02") {
				document.getElementById('sub01').style.display = 'none';
				document.getElementById('sub02').style.display = '';
				document.getElementById('sub03').style.display = 'none';
				document.getElementById('sub04').style.display = 'none';
				document.getElementById('sub05').style.display = 'none';
			} else if (tabStr == "sub03") {
				document.getElementById('sub01').style.display = 'none';
				document.getElementById('sub02').style.display = 'none';
				document.getElementById('sub03').style.display = '';
				document.getElementById('sub04').style.display = 'none';
				document.getElementById('sub05').style.display = 'none';
			} else if (tabStr == "sub04") {
				document.getElementById('sub01').style.display = 'none';
				document.getElementById('sub02').style.display = 'none';
				document.getElementById('sub03').style.display = 'none';
				document.getElementById('sub04').style.display = '';
				document.getElementById('sub05').style.display = 'none';
			 } else if (tabStr == "sub05") {
				document.getElementById('sub01').style.display = 'none';
				document.getElementById('sub02').style.display = 'none';
				document.getElementById('sub03').style.display = 'none';
				document.getElementById('sub04').style.display = 'none';
				document.getElementById('sub05').style.display = '';
			 } 
		}

		function swapImg(imgName) {
		  
			if (imgName == 'menu01Img') {
			  MM_swapImage('menu01Img','','/jpn/images/common/top/menu01_r.gif',1);
			  MM_swapImage('menu02Img','','/jpn/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/jpn/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/jpn/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/jpn/images/common/top/menu05.gif',1);
			  boardFlag = "menu01";
			} else if (imgName == 'menu02Img') {
			  MM_swapImage('menu01Img','','/jpn/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/jpn/images/common/top/menu02_r.gif',1);
			  MM_swapImage('menu03Img','','/jpn/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/jpn/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/jpn/images/common/top/menu05.gif',1);
			  boardFlag = "menu02";
		   } else if (imgName == 'menu03Img') {
			  MM_swapImage('menu01Img','','/jpn/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/jpn/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/jpn/images/common/top/menu03_r.gif',1);
			  MM_swapImage('menu04Img','','/jpn/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/jpn/images/common/top/menu05.gif',1);
			  boardFlag = "menu03";
		   } else if (imgName == 'menu04Img') {
			  MM_swapImage('menu01Img','','/jpn/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/jpn/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/jpn/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/jpn/images/common/top/menu04_r.gif',1);
			  MM_swapImage('menu05Img','','/jpn/images/common/top/menu05.gif',1);
			  boardFlag = "menu04";
	       } else if (imgName == 'menu05Img') {
			  MM_swapImage('menu01Img','','/jpn/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/jpn/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/jpn/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/jpn/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/jpn/images/common/top/menu05_r.gif',1);
			  boardFlag = "menu05";
			} 
		}