function chgTab(id) {
	
		//*alert(location.href);
		
		var imgDir = location.href+"module/img/common/";
		
		switch (id) {
		
			case 'htTyo' :
				document.getElementById('htTyo').style.display = "block";
				document.getElementById('htOsa').style.display = "none";
				document.getElementById('htNgo').style.display = "none";
				document.getElementById('htFuk').style.display = "none";
				//*document.getElementById('htFrame').style.backgroundImage = "url("+imgDir+"htBg01_tyo.jpg)";
				document.getElementById('htFrame').style.backgroundPosition = "left 0px";
			break;
			
			case 'htOsa' :
				document.getElementById('htTyo').style.display = "none";
				document.getElementById('htOsa').style.display = "block";
				document.getElementById('htNgo').style.display = "none";
				document.getElementById('htFuk').style.display = "none";
				//document.getElementById('htFrame').style.backgroundImage = "url("+imgDir+"htBg01_osa.jpg)";
				document.getElementById('htFrame').style.backgroundPosition = "left -187px";
			break;
			
			case 'htNgo' :
				document.getElementById('htTyo').style.display = "none";
				document.getElementById('htOsa').style.display = "none";
				document.getElementById('htNgo').style.display = "block";
				document.getElementById('htFuk').style.display = "none";
				//document.getElementById('htFrame').style.backgroundImage = "url("+imgDir+"htBg01_ngo.jpg)";
				document.getElementById('htFrame').style.backgroundPosition = "left -375px";
			break;
			

			
			case 'htFuk' :
				document.getElementById('htTyo').style.display = "none";
				document.getElementById('htOsa').style.display = "none";
				document.getElementById('htNgo').style.display = "none";
				document.getElementById('htFuk').style.display = "block";
				//document.getElementById('htFrame').style.backgroundImage = "url("+imgDir+"htBg01_fuk.jpg)";
				document.getElementById('htFrame').style.backgroundPosition = "left -749px";
			break;
			
		}
		
		
}