function down(theField) {/* selectで選び別タブにジャンプ */
       var winTarget = "_blank";
       open(theField[theField.selectedIndex].value, winTarget); }

function Tingnan(pili){/* selectで選び別窓(小型)にジャンプ */
	change = pili.selectedIndex;
	window.open(pili.options[change].value,'sub','status=1,scrollbars=1,resizable=1,'
	+'menubar=0,location=1,toolbar=0,width=800,height=800'); }



 /* マウス・オンで写真が変わる */
function ch_pic(pic_file) {document.chPho.src=pic_file;}
function xh_pic(pic_file2) {document.chPho2.src=pic_file2;}
function yh_pic(pic_file3) {document.chPho3.src=pic_file3;}
function zh_pic(pic_file4) {document.chPho4.src=pic_file4;}




/* ↓画面上の画像(例：カエル・豚ちゃん)をマウスで動かす↓ */
var obj;
var offsetX;
var offsetY;

function doInit() {
	if (document.layers /* Netscape Communicator 4.* */) {
		objlist = document.layers;
	} else if (document.all /* Internet Explorer 5.* */) {
		objlist = document.all.tags("SPAN");
	} else if (document.getElementsByTagName /* Netscape 6 */) {
		objlist = document.getElementsByTagName("SPAN");
	} else {
		return;
	}
	for (i = 0; i < objlist.length; i++) {
		if (document.layers) {
			objlist[i].captureEvents(Event.MOUSEDOWN);
		}
		objlist[i].onmousedown = onMouseDown;
	}
	if (document.layers) {
		document.captureEvents(Event.MOUSEMOVE | Event.MOUSEUP);
	}
	document.onmousemove = onMouseMove;
	document.onmouseup = onMouseUp;
}
function onMouseDown(e) {
	obj = this;
	if (document.layers) {
		offsetX = e.layerX;
		offsetY = e.layerY;
	} else if (document.all) {
		offsetX = event.offsetX + 2;
		offsetY = event.offsetY + 2;
	} else if (obj.getElementsByTagName) {
		offsetX = e.pageX - parseInt(obj.style.left);
		offsetY = e.pageY - parseInt(obj.style.top);
	}
	return false;
}
function onMouseMove(e) {
	if (!obj) {
		return true;
	}
	if (document.layers) {
		obj.pageX = e.pageX - offsetX;
		obj.pageY = e.pageY - offsetY;
	} else if (document.all) {
		obj.style.pixelLeft = event.clientX - offsetX + document.body.scrollLeft;
		obj.style.pixelTop = event.clientY - offsetY + document.body.scrollTop;
	} else if (obj.getElementsByTagName) {
		obj.style.left = (e.pageX - offsetX) + "px";
		obj.style.top = (e.pageY - offsetY) + "px";
	}
	return false;
}
function onMouseUp(e) {
	obj = null;
}
/* ↑画面上の画像(例：カエル・豚ちゃん)をマウスで動かす↑ */