var http_request = false;
	  var value="";
	  
        function send_request(url){
            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){}
                }
            }       
            http_request.onreadystatechange = processRequest;
           
            http_request.open("GET",url,true);
            http_request.send(null);
        }
       
        function processRequest(){
            if(http_request.readyState == 4){  
                if(http_request.status == 200){       
                	//document.getElementById("submit").disabled=true              	
                    document.getElementById(currentPos).innerHTML = http_request.responseText;
                  	/*
                   	if(http_request.responseText=="\u53ef\u4ee5\u6ce8\u518c"){
                   		document.getElementById("submit").disabled=false
                   	}else if(http_request.responseText=="\u90ae\u7bb1\u53ef\u4ee5\u4f7f\u7528!"){
                   		document.getElementById("submit").disabled=false
                   	}else if(http_request.responseText=="OK!"){
                   		document.getElementById("submit").disabled=false
                   	}else{
                   		//document.getElementById("submit").disabled=true
                   	}       */            
                }else{  
                    alert("Sorry");
                }
            }
        }        
        function CheckUser(obj){
        	//document.getElementById("submit").disabled=true
            if(document.getElementById(obj).value==""){
            	document.getElementById(obj+"1").innerHTML="\u8bf7\u8f93\u5165\u5185\u5bb9"
            	
            }else{
            	currentPos = obj+"1";  
            	value=document.getElementById(obj).value;            	
          		send_request('TestRegist?check=' + obj+'&value='+value);   
            }            
        }
        function Check(obj){
        	if(document.getElementById(obj).value==""){
        		document.getElementById(obj+"1").innerHTML="\u8bf7\u8f93\u5165\u5185\u5bb9"
        		document.getElementById("submit").disabled=true
        	}else{
        		document.getElementById(obj+"1").innerHTML=""
        		document.getElementById("submit").disabled=false
        	}
        }
        function MakeSure(){
        	var t1=document.getElementById("blogname1").innerHTML;
        	var t2=document.getElementById("username1").innerHTML;
        	var t3=document.getElementById("password1").innerHTML;
        	var t4=document.getElementById("email1").innerHTML;
        	
        }