// HTTP通信用、共通関数
function createXMLHttpRequest(cbFunc){
	var XMLhttpObject = null;
	try{
		XMLhttpObject = new XMLHttpRequest();
	}catch(e){
		try{
			XMLhttpObject = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				XMLhttpObject = new ActiveXObject("Microsoft.XMLHTTP");
		}catch(e){
			return null;
		}
	}
}

if (XMLhttpObject) XMLhttpObject.onreadystatechange = cbFunc;
	return XMLhttpObject;
}

function $(tagId){
	return document.getElementById(tagId);
}

// Mouse座標取得関数
function getMouseXY(evt){
	x = evt.x;
	y = evt.y;
	document.getElementById("result1").innerHTML = "(x,y) = "+x + ", "+y;
	x = evt.pageX;
	y = evt.pageY;
	document.getElementById("result2").innerHTML = "(pageX,pageY) = "+x + ", "+y;
	x = evt.layerX;
	y = evt.layerY;
	document.getElementById("result3").innerHTML = "(layerX,layerY) = "+x + ", "+y;
	x = evt.clientX;
	y = evt.clientY;
	document.getElementById("result4").innerHTML = "(clientX,clientY) = "+x + ", "+y;
	x = evt.screenX;
	y = evt.screenY;
	document.getElementById("result5").innerHTML = "(screenX,screenY) = "+x + ", "+y;
	x = window.pageXOffset;
	y = window.pageYOffset;
	document.getElementById("result6").innerHTML = "(pageXOffset,pageYOffset) = "+x + ", "+y;
}