当前文件路径：AjaxInsertDelete/js/ajax_func.js

		            
 1var http_request = false;
 2function send_request(method,url,content,responseType,callback)...{
 3    http_request=false;
 4    if(window.XMLHttpRequest)...{//Mozilla浏览器
 5        http_request=new XMLHttpRequest();
 6        if(http_request.overrideMimeType)...{
 7            http_request.overrideMimeType("text/xml");
 8        }
 9    }
10    else...{
11        try...{
12            http_request=new ActiveXObject("Msxml2.XMLHTTP");
13        }catch(e)...{
14            try...{
15                http_request=new ActiveXObject("Microsoft.XMLHTTP");
16            }catch(e)...{}
17        }
18    }
19    if(!http_request)...{
20        window.alert("不能创建XMLHttpRequest对象实例。");
21        return false;
22    }
23    if(responseType.toLowerCase()=="text")...{
24        http_request.onreadystatechange=callback;
25    }else...{
26        
27        window.alert("响应类别参数错误。");
28        return false;
29    }
30    if(method.toLowerCase()=="get")...{
31        http_request.open(method,url,true);
32        http_request.setRequestHeader("If-Modified-Since", "0"); //清除缓存啊   
33    }
34    else if(method.toLowerCase()=="post")...{
35        http_request.open(method,url,true);
36        http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
37    }else...{
38        window.alert("http请求类别参数错误。");
39        return false;
40    }
41    http_request.send(content);
42}
43//处理返回文本格式信息的函数
44function processTextResponse()...{
45    if(http_request.readyState==4)...{
46        if(http_request.status==200)...{
47            alert("Text文档响应");
48        }else...{
49            alert("您所请求的页面有异常。");
50        }
51    }
52}
53function processXMLResponse()...{
54    if(http_request.readyState==4)...{
55        if(http_request.status==200)...{
56            alert("XML文档响应");
57        }else...{
58            alert("您所请求的页面有异常。");
59        }
60    }
61}