var XMLHttpReq;	 	//創(chuàng)建XMLHttpRequest對(duì)象       	function createXMLHttpRequest() {	    if (window.XMLHttpRequest) { //Mozilla 瀏覽器	        XMLHttpReq = new XMLHttpRequest();	    } else {	        if (window.ActiveXObject) { // IE瀏覽器	            try {	                XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");	            }	            catch (e) {	                try {	                    XMLHttpReq = new ActiveXObject("Microsoft.XMLHTTP");	                }	                catch (e) {	                }	            }	        }	    }	}
	//發(fā)送請(qǐng)求函數(shù)	function refreshList() {	    var sort = document.getElementById("sortOk").checked;	    if(sort == false ) {	        clearList();	        return;	    }	    var url = "dyList";	        	    createXMLHttpRequest();	    XMLHttpReq.open("GET", url, true);	    XMLHttpReq.onreadystatechange = processListResponse;//指定響應(yīng)函數(shù)	    XMLHttpReq.send(null);  // 發(fā)送請(qǐng)求	}	// 處理返回信息函數(shù)    function processListResponse() {    	if (XMLHttpReq.readyState == 4) { // 判斷對(duì)象狀態(tài)        	if (XMLHttpReq.status == 200) { // 信息已經(jīng)成功返回，開始處理信息            	updateList();            } else { //頁面不正常                window.alert("您所請(qǐng)求的頁面有異常。");            }        }    }	// 	function updateList() {	    clearList();	    var category = document.getElementById("category");		var xmlDoc =XMLHttpReq.responseXML;    	var sorts = xmlDoc.getElementsByTagName("sort");    	var currentSort = null;    	for(var i = 0; i < sorts.length; i++) {        	currentSort = sorts[i];        	var id =currentSort.getElementsByTagName("id")[0].firstChild.nodeValue;        	var name =currentSort.getElementsByTagName("name")[0].firstChild.nodeValue;	    	var option = null;	        option = document.createElement("option");	        option.appendChild(document.createTextNode(name));	        option.setAttribute("value",id);	        category.appendChild(option);	    }	}	function clearList() {	    var sort = document.getElementById("category");	    while(sort.childNodes.length > 0) {	        sort.removeChild(sort.childNodes[0]);	    }	}		//發(fā)送請(qǐng)求函數(shù)	function saveRequest(url) {		var title = document.articleForm.entrytitle.value;		var sort =0;		if (document.articleForm.sortOk.checked) {			sort = document.articleForm.category.value;		}		var content = document.articleForm.entrycontent.value;	    var url = "title=" + title + "&sortid=" + sort + "&content=" + content;	        		createXMLHttpRequest();		XMLHttpReq.open("POST","saveArticle", true);     	XMLHttpReq.onreadystatechange = processSaveResponse;//指定響應(yīng)函數(shù)    	XMLHttpReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");        	XMLHttpReq.send(url);  // 發(fā)送請(qǐng)求	}	// 處理返回信息函數(shù)    function processSaveResponse() {    	if (XMLHttpReq.readyState == 4) { // 判斷對(duì)象狀態(tài)        	if (XMLHttpReq.status == 200) { // 信息已經(jīng)成功返回，開始處理信息            	var res=XMLHttpReq.responseText;                window.alert(res);                            } else { //頁面不正常                window.alert("您所請(qǐng)求的頁面有異常。");            }        }    }