//获取地址栏参数
function Request(strName)
{
    var strHref = window.document.location.href;
    var intPos = strHref.indexOf("?");
    var strRight = strHref.substr(intPos + 1);

    var arrTmp = strRight.split("&");
    for(var i = 0; i < arrTmp.length; i++)
    {
        var arrTemp = arrTmp[i].split("=");

        if(arrTemp[0].toUpperCase() == strName.toUpperCase()) return arrTemp[1];
    }
    return "";
}

//显示或隐藏n个容器
//UpParID:当前元素父元素ID
//DownParID:列表容器父元素ID
//UpNowID:当前元素ID
//DownNowID:当前元素对应列表容器ID
//NowClassName:当前元素样式名称
//ElseClassName:其它元素样式名称

function ChangeNList(UpParID,DownParID,UpNowID,DownNowID,NowClassName,ElseClassName)
{       
    for ( var  i = 0 ; i < document.getElementById( UpParID ).childNodes.length; i ++ )
    {
        document.getElementById(UpParID).childNodes[i].className  = ElseClassName; 
    }
    for(var i=0;i<document.getElementById(DownParID).childNodes.length;i++)
    { 
    	 	if(document.getElementById(DownParID).childNodes[i].nodeName=="#text") continue;
    		 document.getElementById(DownParID).childNodes[i].style.display="none"; 
    	}
   
    document.getElementById(UpNowID).className=NowClassName; 
    document.getElementById(DownNowID).style.display=""; 
}

//显示或隐藏2个容器
//ShowClassName:当前元素样式名称
//HiddenClassName:隐藏元素样式名称
//ShowLi:当前元素ID
//HiddenLi:隐藏元素ID
//ShowUl:当前列表容器ID
//HiddenUl;隐藏列表容器ID
function ChangeList(ShowClassName,HiddenClassName,ShowLi,HiddenLi,ShowUl,HiddenUl)
{  
   document.getElementById(ShowLi).className=ShowClassName;
   document.getElementById(HiddenLi).className=HiddenClassName;
   document.getElementById(HiddenLi).className="";
   document.getElementById(ShowUl).style.display="";
   document.getElementById(HiddenUl).style.display="none";
}

//验证登录
function CheckLogin()
{
    if(document.getElementById("Top1$txtUserName").value=="")
    {
        alert('用户名不能为空！'); 
        document.getElementById("Top1$txtUserName").focus();
        return false;
    }
    if(document.getElementById("Top1$txtPassword").value=="")
    {
        alert('密码不能为空！'); 
        document.getElementById("Top1$txtPassword").focus();
        return false;
    }      
}