var xmlHttp;function user_login(){xmlHttp=GetXmlHttpObject();if(xmlHttp==null){alert("Browser does not support HTTP Request");return;}
var username=document.getElementById('username').value;var password=document.getElementById('password').value;var auto_login=document.getElementById('auto_login').value;var url="fun_by_ajax.php?do=user_login";var params="username="+username+"&password="+password+"&auto_login="+auto_login;xmlHttp.onreadystatechange=user_login_stateChanged;xmlHttp.open("POST",url,true);xmlHttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");xmlHttp.setRequestHeader("Content-length",params.length);xmlHttp.setRequestHeader("Connection","close");xmlHttp.send(params);}
function user_login_stateChanged(){if(xmlHttp.readyState==1){document.getElementById("login_result").innerHTML='';document.getElementById("login_result").innerHTML='<img src="images/login_ajax.gif">';}
if(xmlHttp.readyState==4||xmlHttp.readyState=="complete"){var result=trim(xmlHttp.responseText);if(result=="1"){window.location="?";}
else{document.getElementById("login_result").innerHTML='';document.getElementById("login_result").innerHTML=result;}}}
function trim(str){return str.replace(/^\s+|\s+$/g,"")}function GetXmlHttpObject(){var xmlHttp=null;try{xmlHttp=new XMLHttpRequest()}catch(e){try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP")}catch(e){xmlHttp=new ActiveXObject("Microsoft.XMLHTTP")}}return xmlHttp}