<!--
function ChangeTab(tabname) {


	// 全部消す
	document.getElementById('noteArea01').style.display = 'none';
	changeRollover(document.getElementById('noteArea01' + "_tab"), true);

	document.getElementById('noteArea02').style.display = 'none';
	changeRollover(document.getElementById('noteArea02' + "_tab"), true);
	
	document.getElementById('noteArea03').style.display = 'none';
	changeRollover(document.getElementById('noteArea03' + "_tab"), true);
	
	// 指定箇所のみ表示
	document.getElementById(tabname).style.display = 'block';
	changeRollover(document.getElementById(tabname + "_tab"), false);

}

	function changeRollover(elm, on) {

		if( ! elm ) return(false); 


		var src = elm.getAttribute('osrc');
		var pos2 = src.lastIndexOf(".");

		var ovrImage = src.substring(0, pos2) + "_o" + src.substring(pos2);
		var outImage = src;

		if(! on){
			elm.onmouseout = null;
			elm.setAttribute('src', ovrImage);

			elm.className = null;
		}
		else{
			elm.setAttribute('src', outImage);

			elm.className = "imgover";
			elm.onmouseover = function() {
				this.setAttribute('src', ovrImage);
			}

			elm.onmouseout = function() {
				this.setAttribute('src', outImage);
			}
		}
	}


// -->