window.onload=function(){
 	loadFnc();
	with(document){
		getElementById("user_login").onsubmit=function(){return chkAdd(this.action)}
		getElementById("refresh_img").onclick=function(){return setVImg("validate_img")}
		getElementById("validate").onkeyup=function(){checkNum(this.value)}
		getElementById("validate").onblur=function(){checkNum(this.value)}
		getElementById("nick_name").focus();
		well_login();
	}
}

function well_login(){
	var n=getCookie("name");
	if (n.length>0){
		document.getElementById("user_msg").innerHTML=n+",欢迎光临!<br /><a id='well_logout' href='process/user_logout.php' onclick='return user_logout(this.href)'>退出登录</a>";
	}	
}

//检查提交数据
function chkAdd(postUrl){
	var postStr="";
	var s1="";
	with(document){ 
		s1=getElementById("nick_name").value.trim();
		if (s1.length==0){
			alert("对不起,请填入您的呢称!");
			getElementById("nick_name").value=s1;
			return rtFocus("nick_name");
		}else{
			postStr+="nick_name="+encodeURIComponent(s1);
		}
				
		s1=getElementById("pwd").value;
		if (s1.length==0){
			alert("对不起,请填入您的登录密码!");
			return rtFocus("pwd");
		}else{
			postStr+="&pwd="+encodeURIComponent(s1);
		}
		
		s1=getElementById("validate").value.trim();
		if (s1.length<4){
			alert("对不起,请填入验证码!");
			getElementById("validate").value=s1;
			return rtFocus("validate");
		}else{
			postStr+="&validate="+encodeURIComponent(s1);
		}		
		getElementById("waiting").style.display="block";
		redirect("POST",postUrl,postStr,rtAdd);
		return false;		
	}
}

//回调__添加信息
function rtAdd(){
	document.getElementById("waiting").style.display="none";
  if (http_request.readyState == 4){		
    if(http_request.status == 200){
    	var r=http_request.responseText;
    	if (r.length>0){
				if (r.indexOf("欢迎")>-1){
					var n=getCookie("name");
					document.getElementById("nav_login").innerText=n+",欢迎光临!";
					document.getElementById("user_msg").innerHTML=n+",欢迎光临!<br /><a id='well_logout' href='process/user_logout.php' onclick='return user_logout(this.href)'>退出登录</a>";
					return;
				}else{    		
	  			alert(r);
	  		}
			}else{
				alert("对不起，未返回消息，请重试！");
			}
		}else{
			alert("错误：\n\n" + http_request.statusText);
		}
    setVImg("validate_img");
    document.getElementById("validate").value="";		
	}		
}