function chkacc()
 {  
 	//document.getElementById("btnsure").disabled =true;
  //document.getElementById("btnreset").disabled=true;
  
  	var xacc  = document.getElementById("tfx_accid").value;   
  	if (xacc==''){
  		 return (false);
    }	
  	
     var httpObject =createXMLHttpRequest();     // XMLHttpRequest Object  	        	      
     var strUrl  ="" ;
     var strA    ="";
     var xselTxt ="";                    
     strUrl = "js/accdupck.php" ;                     
     strUrl += "?acc=" + xacc;
     
     //alert(strUrl)
     
     httpObject.open("GET",strUrl,false);    //true:非同步  flase:同步
     
     httpObject.setRequestHeader("Content-Length",strA.length); 
     httpObject.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");     
     httpObject.setRequestHeader("charset", "utf-8");                   
     
     httpObject.send(strUrl);
     
     var xxchk = httpObject.responseText;
     
     //alert(xxchk);
     
     if (xxchk=='dup'){
     	 alert("此帳號已經有人申請過囉!");     	 
     	 document.getElementById("tfx_accid").value='';
     	 document.getElementById("tfx_accid").focus();
     	 document.getElementById("btnsure").disabled =false;
       document.getElementById("btnreset").disabled=false;       
     }          
 } 


 
 function chklogin(prg)
 { 	  
     document.getElementById("btnsure").disabled =true;
 	
  	 var xacc  = document.getElementById("tfx_acc").value; 
  	 var xpwd  = document.getElementById("tfx_pwd").value;  	
  	 
  	 if (xacc=='' || xpwd==''){
  	 	  alert("請輸入帳號及密碼!!");
  	 	  return (false);
     } 
  	
  	 var httpObject = createXMLHttpRequest();     // XMLHttpRequest Object  	        	      
     var strUrl = "" ;
     var strA   = "";
     var xselTxt ="";                    
     strUrl = "js/loginck.php" ;                     
     strUrl += "?acc=" + xacc + "&pwd=" + xpwd;
     
     // alert(strUrl)
     
     httpObject.open("GET",strUrl,false);    //true:非同步  flase:同步
     
     httpObject.setRequestHeader("Content-Length",strA.length); 
     httpObject.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");     
     httpObject.setRequestHeader("charset", "utf-8");                   
     
     httpObject.send(strUrl);
     
     var xxchk = httpObject.responseText;
     //alert(xxchk);
     var arychk =xxchk.split(",");
     
     if (arychk[0]=='ok'){
     	  var xrank =arychk[1];
     	  document.getElementById("mspan1").innerHTML ="會員帳號:"+xacc+"<br/>會員類別:"+xrank;
     	  document.getElementById("mspan2").innerHTML ="";
     	  document.getElementById("mspan3").innerHTML ="<input type=button value='登出會員' onclick=\"location.replace('js/mlogout.php')\">&nbsp;&nbsp;&nbsp;&nbsp;";
     	  
     }
     else{
     	 alert("帳號密碼錯誤!");
     	 document.getElementById("btnsure").disabled =false;
     }          
          
 }