var xmlHttp;
function createXMLHttpRequest(){
if(window.ActiveXObject){
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}else if(window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
if (xmlHttp.overrideMimeType) {
xmlHttp.overrideMimeType('text/xml');
}
}
if (!xmlHttp) {
window.alert("Could not create XMLHttpRequest.");
return false;
}
}
function startRequestGET(url,handleStateChange){
createXMLHttpRequest();
xmlHttp.onreadystatechange=handleStateChange;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}
function startRequestPOST(url,handleStateChange,data){
createXMLHttpRequest();
xmlHttp.onreadystatechange=handleStateChange;
xmlHttp.open("POST",url,true);
xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xmlHttp.send(data);
}
posted on 2006-09-13 09:25
周锐 阅读(313)
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Ajax