//cont_list();
	function cont_list() {
		xmlHttp = createXMLHttpRequest();
		var send_para = createQuery();
		var url = "/chosun/art_his.php?";
		xmlHttp.open("POST", url, true);
		xmlHttp.onreadystatechange = state;
		xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlHttp.send(send_para);
	}

	function createXMLHttpRequest() {
		if (window.ActiveXObject) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		else if (window.XMLHttpRequest) {
			xmlHttp = new XMLHttpRequest();
		}
		return xmlHttp;
	}

	function createQuery() {
		send_contid = Artid('artid');
		var send_para = 'contid='+send_contid;
//		alert(send_para);
		return send_para;
	}

	function state() {
		if(xmlHttp.readyState == 4) {
			if(xmlHttp.status == 200) {
				art_his();									
			}
			else {
			}
		}
	}

	function Artid(contid) {
		var contid = location.href.substring(location.href.lastIndexOf('/')+1, location.href.indexOf('.html'));
		return contid;
	}

	function art_his() {	
		document.getElementById("contentHistory").innerHTML = xmlHttp.responseText;
	}