// JavaScript Document
function send_request(url,str) {
	var http_request = false;
	if(window.XMLHttpRequest) {
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType){
			http_request.overrideMimeType('text/xml');
		}
	}else if(window.ActiveXObject){
		try {http_request = new ActiveXObject("Msxml2.XMLHTTP");}catch (e){
			try {http_request = new ActiveXObject("Microsoft.XMLHTTP");} catch (e) {}
		}
	}
	if (!http_request) {
		window.alert("不能创建XMLHttpRequest对象实例.");
		return false;
	}
	http_request.open("GET",url, true);
	http_request.onreadystatechange=function(){
		if (http_request.readyState == 4) {
			if (http_request.status == 200) {
				document.getElementById(str).innerHTML= http_request.responseText;
			} else {
				//alert("您所请求的页面有异常。");
			}
		}
	}
　	http_request.send(null);
}
function getKeyWord(url,str) {
	var http_request = false;
	if(window.XMLHttpRequest) {
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType){
			http_request.overrideMimeType('text/xml');
		}
	}else if(window.ActiveXObject){
		try {http_request = new ActiveXObject("Msxml2.XMLHTTP");}catch (e){
			try {http_request = new ActiveXObject("Microsoft.XMLHTTP");} catch (e) {}
		}
	}
	if (!http_request) {
		window.alert("不能创建XMLHttpRequest对象实例.");
		return false;
	}
	document.getElementById(str).innerHTML ="<center><img src='/images/loading.gif' align=absmiddle>正在载入......</center>";
	http_request.open("GET",url+"&date="+Date(), true);
	http_request.onreadystatechange=function(){
		if (http_request.readyState == 4) {
			if (http_request.status == 200) {
				document.getElementById(str).innerHTML= http_request.responseText;
			} else {
				//alert("您所请求的页面有异常。");
			}
		}
	}
　	http_request.send(null);
}