// 「とほほのＷＷＷ入門」の
// http://tohoho.wakusei.ne.jp/wwwxx002.htm
// を一部改造して使用

var obj;
var offsetX;
var offsetY;

function doInit(id) {
	if (document.layers /* Netscape Communicator 4.* */) {
		objlist = document.layers;
	} else if (document.all /* Internet Explorer 5.* */) {
		objlist = document.all.item(id);
	} else if (document.getElementsByTagName /* Netscape 6 */) {
		objlist = document.getElementById(id);
	} else {
		return;
	}
/*
	for (i = 0; i < objlist.length; i++) {
		if (document.layers) {
			objlist[i].captureEvents(Event.MOUSEDOWN);
		}
		objlist[i].onmousedown = onMouseDown;
	}
*/

	if (document.layers) {
		objlist[0].captureEvents(Event.MOUSEDOWN);
	}
	objlist.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.left = event.clientX - offsetX + document.body.scrollLeft;
		obj.style.top = 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;
}


function hide(id) {
	if(document.layers) {
		return;
	} else if(document.all) {
		document.all.item(id).style.visibility = "hidden";
	} else {
		document.getElementById(id).style.visibility = 'hidden';
	}
}
function visible(id) {
	if(document.layers) {
		return;
	} else if(document.all) {
		document.all.item(id).style.visibility = "visible";
	} else {
		document.getElementById(id).style.visibility = "visible";
	}
}

function image_time(){
					h = (new Date()).getHours();
					imgName = "top_img";
					timeobj = document.images[imgName];
					if((h >=  0) && (h <  6)) timeobj.src = "./img/images_n.jpg";
					if((h >=  6) && (h <  11)) timeobj.src = "./img/images_m.jpg";
					if((h >=  11) && (h <  18)) timeobj.src = "./img/images.jpg";
					if((h >=  18) && (h <  24)) timeobj.src = "./img/images_n.jpg";
				}

function Swap(iName, img_url)
				{
					myobj = document.images[iName];
					myobj.src = img_url;
				}
			
			
			function waku_view(){
					document.getElementById("waku").style.display = "block";
				}
			
			function waku_none(){
					document.getElementById("waku").style.display = "none";
				}


function winopen()
					{
						window.open('http://jnka.net/linkroad/keijiban.php','crm','fullscreen = yes,scrollbars = yes')
					}