if (window.ActiveXObject && !window.XMLHttpRequest) {
      window.XMLHttpRequest=function() {
      	return new ActiveXObject((navigator.userAgent.toLowerCase().indexOf('msie 5') != -1)?'Microsoft.XMLHTTP':'Msxml2.XMLHTTP');
      	}
}
function checkuser(path){
	var user_name=document.getElementById("username").value;
	var nameinfo=document.getElementById("nameinfo");
    var req=new XMLHttpRequest();
      if (req){
          req.onreadystatechange=function() {
           if(req.readystate<4){
           		nameinfo.style.color='green';
                nameinfo.innerHTML='&nbsp;&nbsp;sending...';
           }
           if (req.readyState==4 && req.status==200) {
                 if(req.responseText==0){
                 nameinfo.style.color='green';
                 nameinfo.innerHTML='&nbsp;&nbsp;\u8be5\u7528\u6237\u540d\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528';
                 }else if(req.responseText==1){
                   nameinfo.style.color='red';
                   nameinfo.innerHTML='&nbsp;&nbsp;\u8be5\u7528\u6237\u540d\u5df2\u7ecf\u88ab\u4f7f\u7528,\u8bf7\u9009\u62e9\u5176\u4ed6\u7528\u6237\u540d\u6ce8\u518c\uff01';
                   }else if(req.responseText==2) {
                     nameinfo.style.color='red';
                     nameinfo.innerHTML='&nbsp;&nbsp;\u8be5\u7528\u6237\u540d\u542b\u6709\u975e\u6cd5\u5b57\u7b26\uff01';
                   }else if(req.responseText==3) {
                     nameinfo.style.color='red';
                     nameinfo.innerHTML='&nbsp;&nbsp;\u8bf7\u586b\u5199\u8981\u6ce8\u518c\u7684\u7528\u6237\u540d\uff01';
                   }
                 }
         }
         req.open('post',path);
         req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
         req.send("username="+user_name+"&t=0"+"&temp="+new Date().getTime());
      }
}
function checkmail(path){
	var user_mail=document.getElementById("email").value;
	var mailinfo=document.getElementById("mailinfo");
    var req=new XMLHttpRequest();
      if (req){
          req.onreadystatechange=function() {
           if(req.readystate<4){
           		mailinfo.style.color='green';
                mailinfo.innerHTML='&nbsp;&nbsp;sending...';
           }
           if (req.readyState==4 && req.status==200) {
                 if(req.responseText==0){
                 mailinfo.style.color='green';
                 mailinfo.innerHTML='&nbsp;&nbsp;\u8be5"e_mail"\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528';
                 }else if(req.responseText==1){
                   mailinfo.style.color='red';
                   mailinfo.innerHTML='&nbsp;&nbsp;\u8be5"e_mail"\u5df2\u7ecf\u88ab\u6ce8\u518c\uff0c\u8bf7\u9009\u62e9\u5176\u4ed6\u7684"e_mail"\uff01';
                   }else if(req.responseText==2) {
                     mailinfo.style.color='red';
                     mailinfo.innerHTML='&nbsp;&nbsp;\u8bf7\u586b\u5199\u6b63\u786e\u7684"e_mail"\u5730\u5740\uff01';
                   }else if(req.responseText==3) {
                     mailinfo.style.color='red';
                     mailinfo.innerHTML='&nbsp;&nbsp;\u6ce8\u518c"e_mail"\u4e0d\u80fd\u8fc7\u4e3a\u7a7a\uff01';
                   }
                 }
         }
         req.open('post',path);
         req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
         req.send("email="+user_mail+"&t=1"+"&temp="+new Date().getTime());
      }
}
function checkcode(path){
	var bbscode=document.getElementById("code").value;
	var codeinfo=document.getElementById("codeinfo");
    var req=new XMLHttpRequest();
      if (req){
          req.onreadystatechange=function() {
           if(req.readystate<4){
           		codeinfo.style.color='green';
                codeinfo.innerHTML='&nbsp;&nbsp;sending...';
           }
           if (req.readyState==4 && req.status==200) {
                 if(req.responseText==0){
                 codeinfo.style.color='green';
                 codeinfo.innerHTML='&nbsp;&nbsp;\u9a8c\u8bc1\u7801\u6b63\u786e';
                 }else if(req.responseText==1){
                   codeinfo.style.color='red';
                   codeinfo.innerHTML='&nbsp;&nbsp;\u4f60\u8f93\u5165\u7684\u9a8c\u8bc1\u7801\u9519\u8bef\uff01';
                   }else if(req.responseText==2) {
                     codeinfo.style.color='red';
                     codeinfo.innerHTML='&nbsp;&nbsp;\u9a8c\u8bc1\u7801\u4e0d\u80fd\u8fc7\u4e3a\u7a7a\uff01';
                   }
                 }
         }
         req.open('post',path);
         req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
         req.send("code="+bbscode+"&t=2"+"&temp="+new Date().getTime());
      }
}