function checkForm() {
    if (document.loginForm.userName.value == "") {
        alert("请输入账号！");
        document.loginForm.userName.focus();
        return false;
    }
    if (document.loginForm.userPwd.value == "") {
        alert("请输入密码！");
        document.loginForm.userPwd.focus();
        return false;
    }
	return true;
}	

function rightLogin() {
	if (checkForm()) {  
		document.loginForm.submit();
	}
}

document.write("<style type=\"text/css\">")
document.write("body{padding:0;margin:0;font-size:12px;font-family: '宋体', Arial, Helvetica, sans-serif;}")
document.write(".login_insert_close{float:right;cursor:pointer;}")
document.write(".login_insert_font1{color:#aaaaaa;}")
document.write(".login_insert_font2{color:#333333;}")
document.write(".login_insert_font3{color:#333333;font-size:14px;font-weight:bold;}")
document.write(".login_insert_btn{width:80px;height:25px;BORDER-TOP:#7b9ebd 1px solid;BORDER-BOTTOM:#7b9ebd 1px solid;BORDER-LEFT:#7b9ebd 1px solid; BORDER-RIGHT:#7b9ebd 1px solid;PADDING-TOP:2px;PADDING-LEFT:2px;PADDING-RIGHT:2px;FONT-SIZE:12px;COLOR:black;CURSOR:pointer;FILTER: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr=#ffffff, EndColorStr=#cecfde);}")
document.write("</style>")

function alertMsg(content) {
var content = '';
var msgw,msgh,msgbg,msgcolor,bordercolor,titlecolor,titlebg,con; 
con = "<form name='loginForm' action='../login.htm' method='post'>"
+"<table width='300' height='165' align='center' border='0' cellpadding='0' cellspacing='0'>"
+"	<tr>"
+"		<td height='35' align='center' class='login_insert_font1'>请填写正确的用户名和密码进行登录</td>"
+"	</tr>"
+"	<tr>"
+"		<td height='35' align='center' class='login_insert_font2'>用户名：<input type='text' name='userName' id='userName' style='width:180px; height:18px;'/></td>"
+"	</tr>"
+"	<tr>"
+"		<td height='35' align='center' class='login_insert_font2'>密&nbsp;&nbsp;码：<input type='password' name='userPwd' id='userPwd' style='width:180px; height:18px;'/></td>"
+"	</tr>"
+"	<tr>"
+"		<td height='60' align='center'>"
+"			<input type='button' class='login_insert_btn' value='登&nbsp;&nbsp;&nbsp;录' onclick='rightLogin()'/>"
+"			&nbsp;&nbsp;"
+"			<input type='button' class='login_insert_btn' value='取&nbsp;&nbsp;&nbsp;消' onclick='closeMsg()'/>"
+"		</td>"
+"	</tr>"
+"</table>"
+"</form>";
//弹出窗口设置
msgw = 400;   //窗口宽度 
msgh = 230;   //窗口高度 
msgbg = "#ffffff";    //内容背景
msgcolor = "#333333";   //内容颜色
bordercolor = "#aaaaaa"; //边框颜色 
titlecolor = "#333333"; //标题颜色
titlebg = "#f5f6f8";   //标题背景
//遮罩背景设置 
var sWidth,sHeight; 
sWidth = screen.availWidth-14; 
sHeight = document.body.scrollHeight; 
//创建遮罩背景 
var maskObj = document.createElement("div"); 
maskObj.setAttribute('id','maskdiv'); 
maskObj.style.position = "absolute"; 
maskObj.style.top = "0"; 
maskObj.style.left = "0"; 
maskObj.style.background = "#777"; 
maskObj.style.filter = "Alpha(opacity=30);"; 
maskObj.style.opacity = "0.3"; 
maskObj.style.width = sWidth + "px"; 
maskObj.style.height = sHeight + "px"; 
maskObj.style.zIndex = "10000"; 
document.body.appendChild(maskObj); 
//创建弹出窗口
var msgObj = document.createElement("div") 
msgObj.setAttribute("id","msgdiv"); 
msgObj.style.position ="absolute";
msgObj.style.top = (screen.availHeight - msgh) / 3 + "px";
msgObj.style.left = (screen.availWidth - msgw) / 2 + "px";
msgObj.style.width = msgw + "px";
msgObj.style.height = msgh + "px";
msgObj.style.fontSize = "12px";
msgObj.style.background = msgbg;
msgObj.style.border = "1px solid " + bordercolor; 
msgObj.style.zIndex = "10001"; 
//创建标题
var thObj = document.createElement("div");
thObj.setAttribute("id","msgth"); 
thObj.className = "DragAble";
thObj.style.cursor = "move";
thObj.style.padding = "4px 6px";
thObj.style.color = titlecolor;
thObj.style.background = titlebg;
var titleStr = "<div><a class='login_insert_close' title='关闭' onclick='closeMsg()'><img src='../include/images/login_close.gif'/></a>"+"<span class='login_insert_font3'>登录</span></div>";
thObj.innerHTML = titleStr;
//创建内容
var bodyObj = document.createElement("div");
bodyObj.setAttribute("id","msgbody"); 
bodyObj.style.padding = "10px";
bodyObj.style.lineHeight = "1.5em";
bodyObj.innerHTML = con;
var txt = document.createTextNode(content)
bodyObj.appendChild(txt);
//生成窗口
document.body.appendChild(msgObj);
document.getElementById("msgdiv").appendChild(thObj);
document.getElementById("msgdiv").appendChild(bodyObj);
}
function closeMsg(){
//移除对象
document.body.removeChild(document.getElementById("maskdiv")); 
document.getElementById("msgdiv").removeChild(document.getElementById("msgth")); 
document.getElementById("msgdiv").removeChild(document.getElementById("msgbody")); 
document.body.removeChild(document.getElementById("msgdiv")); 
}
//拖动窗口
var ie = document.all;   
var nn6 = document.getElementById&&!document.all;   
var isdrag = false;   
var y,x;   
var oDragObj;   

function moveMouse(e) {   
if (isdrag) {   
oDragObj.style.top = (nn6 ? nTY + e.clientY - y : nTY + event.clientY - y)+"px";   
oDragObj.style.left = (nn6 ? nTX + e.clientX - x : nTX + event.clientX - x)+"px";   
return false;   
}   
}   

function initDrag(e) {   
var oDragHandle = nn6 ? e.target : event.srcElement;   
var topElement = "HTML";   
while (oDragHandle.tagName != topElement && oDragHandle.className != "DragAble") {   
oDragHandle = nn6 ? oDragHandle.parentNode : oDragHandle.parentElement;   
}   
if (oDragHandle.className=="DragAble") {   
isdrag = true;   
oDragObj = oDragHandle.parentNode;   
nTY = parseInt(oDragObj.style.top);   
y = nn6 ? e.clientY : event.clientY;   
nTX = parseInt(oDragObj.style.left);   
x = nn6 ? e.clientX : event.clientX;   
document.onmousemove = moveMouse;   
return false;   
}   
}   
document.onmousedown = initDrag;   
document.onmouseup = new Function("isdrag=false");