// JScript 文件


  //检侧密码不能为空
function checknamelogin()
{

    var aaa=false;
   if (document.getElementById('Stxtname').value=='')
   {
       document.getElementById('checkname').style .display ='';
       document.getElementById('loginreback').innerHTML="用户名不能为空";
   }
     else
  {
  document.getElementById('checkname').style .display ='none';
  document.getElementById('loginreback').innerHTML="";
      aaa=true;
  }
  return aaa;
  }
  
  //检侧密码不能为空
  function checkPwlogin()
{
var aaa=false;
   if (document.getElementById('StxtPw').value=='')
   {
       document.getElementById('checkPw').style .display ='';
       document.getElementById('loginreback').innerHTML="密码不能为空";
   }
     else
  {
     document.getElementById('checkPw').style .display ='none';
     document.getElementById('loginreback').innerHTML="";
     aaa=true;
  
  }
   return aaa;
}


//网页加载时，检测登录情况
function  ifloginOK()
{
     renamepw();//网页加载时,密码记住情况
    if( getCookie('loginok')=='1')
    {
     document.getElementById('HTMLDidlogin').style .display ='none';
     document.getElementById('HTMLDidAdmin').style .display ='';
     //成功
 
    }
    else
   {
    document.getElementById('HTMLDidlogin').style .display ='';
     document.getElementById('HTMLDidAdmin').style .display ='none';
  //失
   }
   }
   
//退出，清空登录Cookie
function  tuchulogin()
{
  delCookie('loginok');//清空Cookie
  ifloginOK();//重新绑定控件状态
}


/////////////////////////////////////////////////////////////////////////////////////////
  function addCookie(objName,objValue,objHours){//添加cookie
   var str = objName + "=" + escape(objValue);
   if(objHours > 0){//为0时不设定过期时间，浏览器关闭时cookie自动消失
    var date = new Date();
    var ms = objHours*3600*1000;
    date.setTime(date.getTime() + ms);
    str += "; expires=" + date.toGMTString();
   }
   document.cookie = str;
  }
  
  function getCookie(objName){//获取指定名称的cookie的值
   var arrStr = document.cookie.split("; ");
   for(var i = 0;i < arrStr.length;i ++){
    var temp = arrStr[i].split("=");
    if(temp[0] == objName) return unescape(temp[1]);
   } 
  }
  
  function delCookie(name){//为了删除指定名称的cookie，可以将其过期时间设定为一个过去的时间
   var date = new Date();
   date.setTime(date.getTime() - 10000);
   document.cookie = name + "=a; expires=" + date.toGMTString();
  }
  
function $(m,n){
   return document.forms[m].elements[n].value;
  }

///////////////////////////////////////////////////////////////////////////////////////////////////


//网页加载时,密码记住情况
function  renamepw()//
{
  // var frm=document.form1;
       if (getCookie("Infonick")!=null){
         
              document.getElementById('Stxtname').value=getCookie("Infonick");
               document.getElementById('StxtPw').value=getCookie("InfoUserPWD");

              if (getCookie("InfoIfSave")==1)
              {
                 document.getElementById('IfSave').checked=true;
                     
              }
              else
              {
                 document.getElementById('IfSave').checked= false;
              }
       }
       else 
       {
       document.getElementById('IfSave').checked=false;
       }
}


 //提交时，记住密码
   function UserLoginCheck() 
       {  
       // var frm=document.form1;
              if (document.getElementById('IfSave').checked) 
              {
               addCookie("Infonick", document.getElementById('Stxtname').value, 365);
               addCookie("InfoUserPWD", document.getElementById('StxtPw').value, 365);
               addCookie("InfoIfSave", 1, 365);
             }
             else 
             {
              delCookie("Infonick")
              delCookie("InfoUserPWD")
               addCookie("InfoIfSave", 1, 365);
         }
          return true;                 
       }
  
  function setImgSize( img,W,H){

//function setImgSize(ImgD,w,h){ 
var image=new Image(); 
image=img; 
if(image.width>0 && image.height>0)
{ 
flag=true; 
if(image.width/image.height<= W/H){ 
   if(image.width>W)
   {
    img.width=W; 
    img.height=(image.height*W)/image.width; 
   }
   else{ 
    img.width=image.width;
    img.height=image.height; 
   } 
   /*ImgD.alt="bigpic" */
} 
else{ 
   if(image.height>H)
   {
    img.height=H; 
    img.width=(image.width*H)/image.height; 
   }
   else
   { 
    img.width=image.width;
    img.height=image.height; 
   } 
    /*ImgD.alt="bigpic" */ 
} 
}

var pw = image.width;
var ph = image.height; 

var mw=0;
var mh=0;

if(pw-W>0)
{
mw=(pw-W)/2;

}
if(ph-H>0)
{
mh=(ph-H)/2;

}
image.style.marginTop ="-"+ mh+"px";
image.style.marginLeft="-"+ mw+"px";

}