function makeRequest(url) {
	var httpRequest;

	if (window.XMLHttpRequest) { 
		httpRequest = new XMLHttpRequest();
		if (httpRequest.overrideMimeType) {
			httpRequest.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) { 
		try {
			httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!httpRequest) {
		alert('Cannot create an XMLHTTP instance');
		return false;
	}

	httpRequest.open('GET', url, true); 
	httpRequest.send(null);
}

function makeRequestRet(url, target) {
	var httpRequest;

	if (window.XMLHttpRequest) { 
		httpRequest = new XMLHttpRequest();
		if (httpRequest.overrideMimeType) {
			httpRequest.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) { 
		try {
			httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!httpRequest) {
		alert('Cannot create an XMLHTTP instance');
		return false;
	}

	httpRequest.onreadystatechange = function() { setContentRet(httpRequest, target); };
	httpRequest.open('GET', url, true); 
	httpRequest.send(null);
}

function setContentRet(httpRequest, target) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			document.getElementById(target).innerHTML = httpRequest.responseText;
		} else {
			document.getElementById(target).innerHTML = "";
		}
	}
}


function makeRequestRetPrd(url, target) {
	var httpRequest;
	
	if (window.XMLHttpRequest) { 
		httpRequest = new XMLHttpRequest();
		if (httpRequest.overrideMimeType) {
			httpRequest.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) { 
		try {
			httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!httpRequest) {
		alert('Cannot create an XMLHTTP instance');
		return false;
	}

	httpRequest.onreadystatechange = function() { setContentRetPrd(httpRequest, target); };
	httpRequest.open('GET', url, true); 
	httpRequest.send(null);
}

function setContentRetPrd(httpRequest, target) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			document.getElementById(target).innerHTML = httpRequest.responseText;
			fillup();
		} else {
			document.getElementById(target).innerHTML = "";
		}
	}
}