w)
{
iw=w;
ih=w/iratio;
}
if(ih>h)
{
ih=h;
iw=h*iratio;
}
img.width=iw;
img.height=ih;
}
//读取Cookie的函数
function ReadCookie(name)
{
var cookieValue = "";
var search = name + "=";
if(document.cookie.length > 0)
{
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";",offset);
if (end == -1) end = document.cookie.length;
cookieValue = unescape(document.cookie.substring(offset, end))
}
}
return cookieValue;
}
//只能输入英文与数字及各种符号
function isnunmemChar( checkobj)
{
var checkOK = "0123456789-_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ·#$￥%*……—";
var checkStr = checkobj;
var allValid = true;
var decPoints = 0;
for (i = 0; i < checkStr.length; i++)
{
ch = checkStr.charAt(i);
for (j = 0; j < checkOK.length; j++)
if (ch == checkOK.charAt(j))
break;
if (j == checkOK.length)
{
allValid = false;
break;
}
}
return (allValid)
}
//去除所有空格
function ReplaceAll(str, sptr, sptr1)
{
while (str.indexOf(sptr) >= 0)
{
str = str.replace(sptr, sptr1);
}
return str;
}
//代码结束
function getXHR()
{
var xhr;
try
{
xhr=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
//alert('Msxml2.XMLHTTP failed!');
try
{
xhr=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
//alert('Microsoft.XMLHTTP failed!');
xhr=false;
}
}
if(!xhr&&typeof (XMLHttpRequest)!='undefined')
{
xhr=new XMLHttpRequest();
}
return xhr;
}
function loadXML(method,url,callback)
{
var xhr;
xhr=getXHR();
xhr.open(method,url);
xhr.setRequestHeader("Content-Type","text/xml");
xhr.setRequestHeader("Content-Type","GBK");
xhr.onreadystatechange=function()
{
if(xhr.readyState!=4)return;
callback(xhr);
}
xhr.send(null);
}
function CheckLoginInput()
{
if(LoginForm.LoginUsr.value==""){
alert('登录用户名不能不空!');
LoginForm.LoginUsr.focus();
return false;
}
if(!isnunmemChar(LoginForm.LoginUsr.value))
{
alert('登录用户名不合法!');
LoginForm.LoginUsr.focus();
return false;
}
if(LoginForm.LoginPwd.value==""){
alert('登录密码不能不空!');
LoginForm.LoginPwd.focus();
return false;
}
if(!isnunmemChar(LoginForm.LoginPwd.value))
{
alert('登录密码不合法!');
LoginForm.LoginPwd.focus();
return false;
}
GetLoginCheck();
}
//会员登录
function GetLoginCheck()
{
var InputUr=document.getElementById("LoginUsr").value;
var InputPsw=document.getElementById("LoginPwd").value;
var xhr=getXHR();
var url="LoginDo.asp?InputUr="+InputUr+"&InputPsw="+InputPsw;
loadXML("get",url,LoginCheck);
}
function LoginCheck(xmlDom)
{
var node=xmlDom.responseXML.getElementsByTagName("item");//获得item节点集合
var LoginState=node[0].childNodes[0].firstChild.nodeValue;//获得节点第一个子节点的值
var ErrTxt=node[0].childNodes[1].firstChild.nodeValue; //获得节点第二个子节点的值
if(LoginState==1) //如果记录数不为零时
{
GetLoginDataBind();
}
else
{
alert(ErrTxt);
}
}
function GetLoginDataBind()
{
loadXML("get","checkLogin.asp",LoginDataBind);
}
//会员登录绑定
function LoginDataBind(xmlDom)
{
var LoginDiv=document.getElementById("LoginDiv"); //获得页面LoginDiv对象,此对象用来显示内容
var recordcount=xmlDom.responseXML.getElementsByTagName("content")[0].getAttribute("recordcount");
var node=xmlDom.responseXML.getElementsByTagName("item");//获得item节点集合
var Id=node[0].childNodes[0].firstChild.nodeValue;//获得节点第一个子节点的值
var Usr=node[0].childNodes[1].firstChild.nodeValue; //获得节点第二个子节点的值
var TrueName=node[0].childNodes[2].firstChild.nodeValue; //获得节点第三个子节点的值
var LockVip=node[0].childNodes[3].firstChild.nodeValue; //获得节点第四个子节点的值
var Passed=node[0].childNodes[4].firstChild.nodeValue; //获得节点第五个子节点的值
var cont="";
if((recordcount!=0)&&(Passed==1)&&(LockVip==0)) //如果记录数不为零时
{
cont+="";
cont+="您已成功登录会员专区!
";
cont+="用户名:"+Usr+"
";
cont+="姓名:"+TrueName+"
";
cont+="
";
cont+="";
cont+="
![](\"images/VipBtn.gif\")
";
cont+="
![](\"images/QuitBtn.gif\")
";
cont+="