//add by zhangyuanyuan

$(document).ready(function() {
    $("#remUsername").click(function(){
       if($("#remUsername").attr("checked")==true)
       {
            $("#rem").val(1);
        }else{
            $("#rem").val(0);
        }
    });
});


function _onload() {

    $("#uid").focus();
    var cookie_val = getCookie("username");
    if(cookie_val&&cookie_val!='undefined')
    {
        $("#uid").val(cookie_val);
        $("#remUsername").attr("checked",true);
        $("#Password").focus();
    }
}

function setCookie(val){
        var argc = setCookie.arguments.length;  
        var argv = setCookie.arguments;      
        var path = (argc > 3) ? argv[3] : null;    
        var domain = (argc > 4) ? argv[4] : null;    
        var secure = (argc > 5) ? argv[5] : false;    
          
          
        document.cookie = "username=" + val +   
        ((path == null) ? "" : ("; path=" + path)) +    
        ((domain == null) ? "" : ("; domain=" + domain)) +      
        ((secure == true) ? "; secure" : "");

    //var expiration = new Date((new Date()).getTime() + 100000 * 365 * 12 * 30 * 24 * 60 * 60000);
    //document.cookie = "username=" + escape(val) + ";expires =" + expiration.toGMTString() + ";path=" + "/" + ";_domain=" + document.domain;
}


function getCookie(cookie_name)
{
    var allcookies = document.cookie;
    var cookie_pos = allcookies.indexOf(cookie_name);

    if (cookie_pos != -1)
    {
        cookie_pos += cookie_name.length + 1;
        var cookie_end = allcookies.indexOf(";", cookie_pos);

        if (cookie_end == -1)
        {
            cookie_end = allcookies.length;
        }

        var value = unescape(allcookies.substring(cookie_pos, cookie_end));
    }

    return value;
}

function deletecookie (cookie_name) {  //ɾ³ýÃû³ÆΪusernameµÄCookie  
    var exp = new Date();    
    exp.setTime (exp.getTime() - 1);    
    var cval = getCookie("username");    
    document.cookie = cookie_name + "=" + cval + ";expires=" + exp.toGMTString();  
}