function showMiniLogin(){ 
	var webpath ="/" 
	var title = "请先登录..." ;
	var msg ;
	var w=290,h=150 ;
    var titleheight = "21px"; // 提示窗口标题高度  
    var bordercolor = "#6D6D6D"; // 提示窗口的边框颜色  
    var titlecolor = "#FFFFFF"; // 提示窗口的标题颜色  
    var titlebgcolor = "#AAAAAA"; // 提示窗口的标题背景色 
    var bgcolor = "#FFFFFF"; // 提示内容的背景色 
    
    var iWidth = document.documentElement.clientWidth;  
    var iHeight = document.documentElement.clientHeight;  
    var bgObj = document.createElement("div");  
    bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:"+iWidth+"px;height:"+Math.max(document.body.clientHeight, iHeight)+"px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000;z-index:101;"; 
    document.body.appendChild(bgObj);  
     
    var msgObj=document.createElement("div"); 
    msgObj.style.cssText = "position:absolute;font:11px '宋体';top:"+(iHeight-h)/2+"px;left:"+(iWidth-w)/2+"px;width:"+w+"px;height:auto;text-align:center;border:1px solid "+bordercolor+";background-color:"+bgcolor+";padding:1px;line-height:22px;z-index:102;"; 
    document.body.appendChild(msgObj); 
     
    var table = document.createElement("table"); 
    msgObj.appendChild(table); 
    table.style.cssText = "margin:0px;border:0px;padding:0px;"; 
    table.cellSpacing = 0; 
    var toptr = table.insertRow(-1); 
    var toptd = toptr.insertCell(-1);
    toptr.insertCell(-1);
    toptr.style.cssText = "width:100%;height:5px;text-align:left;padding:3px;margin:0px;background-color:#CC0000;"; 

    var tr = table.insertRow(-1); 
    var titleBar = tr.insertCell(-1); 
    titleBar.setAttribute("id","titleBar") ;
    titleBar.style.cssText = "width:100%;height:"+titleheight+"px;text-align:left;padding:3px;margin:0px;font:bold 13px '宋体';color:"+titlecolor+";cursor:move;background-color:" + titlebgcolor; 
    titleBar.style.paddingLeft = "10px"; 
    titleBar.innerHTML = title; 
    var moveX = 0; 
    var moveY = 0; 
    var moveTop = 0; 
    var moveLeft = 0; 
    var moveable = false; 
    var docMouseMoveEvent = document.onmousemove; 
    var docMouseUpEvent = document.onmouseup; 
    titleBar.onmousedown = function() { 
        var evt = getEvent(); 
        moveable = true;  
        moveX = evt.clientX; 
        moveY = evt.clientY; 
        moveTop = parseInt(msgObj.style.top); 
        moveLeft = parseInt(msgObj.style.left); 
         
        document.onmousemove = function() { 
            if (moveable) { 
                var evt = getEvent(); 
                var x = moveLeft + evt.clientX - moveX; 
                var y = moveTop + evt.clientY - moveY; 
                if ( x > 0 &&( x + w < iWidth) && y > 0 && (y + h < iHeight) ) { 
                    msgObj.style.left = x + "px"; 
                    msgObj.style.top = y + "px"; 
                } 
            }     
        }; 
        document.onmouseup = function () {  
            if (moveable) {  
                document.onmousemove = docMouseMoveEvent; 
                document.onmouseup = docMouseUpEvent; 
                moveable = false;  
                moveX = 0; 
                moveY = 0; 
                moveTop = 0; 
                moveLeft = 0; 
            }  
        }; 
    } 
     
    var closeBtn = tr.insertCell(-1); 
    closeBtn.style.cssText = "cursor:pointer; padding:2px;background-color:" + titlebgcolor; 
    closeBtn.innerHTML = "<span style='font-size:15pt; color:"+titlecolor+";'>×</span>"; 
    closeBtn.onclick = function(){  
        document.body.removeChild(bgObj);  
        document.body.removeChild(msgObj);
    }  
    var msgBox = table.insertRow(-1).insertCell(-1);  
    msgBox.style.cssText = "font:9pt '宋体';"; 
    msgBox.colSpan  = 2; 
    
   var  msg = "<form method='POST' action='"+webpath+"user/optlogin.php' id='loginsubmit' name='loginsubmit'>";
  		msg+= "<input type='hidden' id='miniLogin' name='miniLogin' value='1'>";
		msg+= "<table height='120' width='100%' border='0' bgcolor='#F5F5F5'>";
		msg+= "<tr><td width='50' align='center'>邮箱</td><td align='left'><input type='text' id='email' name='email' class='input'  value='' style='width:200px;'/></td></tr>";
		msg+= "<tr><td width='50' align='center'>密码</td><td align='left'><input type='password' id='pwd' name='pwd' class='input' value='' style='width:200px;'/></span></td></tr>";
		msg+= "<tr><td width='50'>&nbsp;</td><td align='left'><input type='checkbox' name='PersistentCookie' class='checkbox'/><span class='fontgray'>记住我</span>&nbsp;<a href='"+webpath+"getpassword.php' class='opt'>忘了密码?</a>&nbsp;&nbsp;&nbsp;<input type='button' class='btn4' value='登 录' onclick='login.login_check();' /></td></tr>";
		msg+= "<tr height='40'><td width='50'>&nbsp;</td><td align='left'>还不是其中一员？&nbsp;&nbsp;&nbsp;<a href='"+webpath+"register.php' class='opt'>立即加入</a></td></tr></table></form>";
		
    msgBox.innerHTML = msg; 
    // 获得事件Event对象，用于兼容IE和FireFox 
    function getEvent() { 
        return window.event || arguments.callee.caller.arguments[0]; 
    } 
} 
 
login = {
	
	login_check:function()
	{
		
		var oEmail = $("email");
		var strEmail = oEmail.value;
		var oPassword = $("pwd");
		var strPassword = oPassword.value;
		if(trim(strEmail)=="" || trim(strPassword)=="")
		{
			$("titleBar").innerHTML ="<font color=blue>请填写邮箱和密码！</font>";
		}
		else
		{
			var url ="/user/optlogin.php";
			var myAjax = new Ajax.Request(
					url,
					{
						method: 'POST',
						parameters: Form.serialize('loginsubmit'),
						onSuccess: login.login_check_after
					}
			);
		}
	},
	
	login_check_after:function(originalRequest)
	{
		if(trim(originalRequest.responseText).indexOf("loginno")!=-1){
			
			$("titleBar").innerHTML ="<font color=blue>请填写正确的邮箱和密码！</font>";
		}
		if(trim(originalRequest.responseText).indexOf("loginyes")!=-1){
			login.reloadfun() ;
		}
	},
	reloadfun:function(){
		window.location.href=window.location.href ;
		return true ;
	}
}