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 = '';
			 } else if(tabStr == "sub06"){
			 	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 = 'none';
			 }

		}

		function swapImg(imgName) {
		  
			if (imgName == 'menu01Img') {
			  MM_swapImage('menu01Img','','/eng/images/common/top/menu01r.gif',1);
			  MM_swapImage('menu02Img','','/eng/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/eng/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/eng/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/eng/images/common/top/menu05.gif',1);
			  MM_swapImage('menu06Img','','/eng/images/common/top/menu06.gif',1);
			  boardFlag = "menu01";
			} else if (imgName == 'menu02Img') {
			  MM_swapImage('menu01Img','','/eng/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/eng/images/common/top/menu02r.gif',1);
			  MM_swapImage('menu03Img','','/eng/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/eng/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/eng/images/common/top/menu05.gif',1);
			  MM_swapImage('menu06Img','','/eng/images/common/top/menu06.gif',1);
			  boardFlag = "menu02";
		   } else if (imgName == 'menu03Img') {
			  MM_swapImage('menu01Img','','/eng/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/eng/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/eng/images/common/top/menu03r.gif',1);
			  MM_swapImage('menu04Img','','/eng/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/eng/images/common/top/menu05.gif',1);
			  MM_swapImage('menu06Img','','/eng/images/common/top/menu06.gif',1);
			  boardFlag = "menu03";
		   } else if (imgName == 'menu04Img') {
			  MM_swapImage('menu01Img','','/eng/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/eng/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/eng/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/eng/images/common/top/menu04r.gif',1);
			  MM_swapImage('menu05Img','','/eng/images/common/top/menu05.gif',1);
			  MM_swapImage('menu06Img','','/eng/images/common/top/menu06.gif',1);
			  boardFlag = "menu05";
	       } else if (imgName == 'menu05Img') {
			  MM_swapImage('menu01Img','','/eng/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/eng/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/eng/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/eng/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/eng/images/common/top/menu05r.gif',1);
			  MM_swapImage('menu06Img','','/eng/images/common/top/menu06.gif',1);
			  boardFlag = "menu05";
			} else if (imgName == 'menu06Img') {
			  MM_swapImage('menu01Img','','/eng/images/common/top/menu01.gif',1);
			  MM_swapImage('menu02Img','','/eng/images/common/top/menu02.gif',1);
			  MM_swapImage('menu03Img','','/eng/images/common/top/menu03.gif',1);
			  MM_swapImage('menu04Img','','/eng/images/common/top/menu04.gif',1);
			  MM_swapImage('menu05Img','','/eng/images/common/top/menu05.gif',1);
			  boardFlag = "menu06";
			}
		  
		}
		
		function popGis(){
			void window.open('/eng_gis.do','Gis','top=10,left=10,toolbar=no,menubar=no,scrollbars=no,resizable=no,width=1025,height=615'); 
		}