function getFile(targetid,targeturl){
	var t = new Date();
	target_div = targetid;
	xmlhttp = createXMLHttpRequest();
	if(xmlhttp){
		xmlhttp.onreadystatechange = check;
		xmlhttp.open("get",targeturl,true);
		xmlhttp.send(null);
	}
}
function check(){
	if(xmlhttp.readyState == 4 && xmlhttp.status == 200){
		document.getElementById(target_div).innerHTML = xmlhttp.responseText;
		tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
		imgLoader = new Image();// preload image
		imgLoader.src = tb_pathToImage;
	}
}
// XMLHttpオブジェクト作成
function createXMLHttpRequest(){
	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;
			}
		}
	}
	return XMLhttpObject;
}