function   GetCookieVal(offset)   
{ //获得Cookie解码后的值   
    var   endstr   =   document.cookie.indexOf(";",offset);   
    if   (endstr   ==   -1)   
    endstr   =   document.cookie.length;   
    return   unescape(document.cookie.substring(offset,   endstr));   
}   
function   SetCookie(name,   value)   {   
    var   today   =   new   Date();   
    var   expires   =   new   Date();   
    expires.setTime(today.getTime()   +   1000*60*60*24*365);   
    document.cookie   =   name   +   "="   +   escape(value)         +   ";   expires="   +   expires.toGMTString();   
}   
function   DelCookie(name)   
{//删除Cookie    
    var   exp   =   new   Date();   
    exp.setTime   (exp.getTime()   -   1);   
    var   cval   =   GetCookie   (name);   
    document.cookie   =   name   +   "="   +   cval   +   ";   expires="+   exp.toGMTString();   
}   
function   GetCookie(name)    
{//获得Cookie的原始值   
    var   arg   =   name   +   "=";   
    var   alen   =   arg.length;   
    var   clen   =   document.cookie.length;   
    var   i = 0;
    var ls_text="";
    while(i<clen)   
    {   
        var   j   =   i   +   alen; 
        if(document.cookie.substring(i,j) == arg)
        { 
            return   GetCookieVal(j);
        }
        i = document.cookie.indexOf(" ",i) + 1; 
        if(i == 0) break;  
    }   
    return   null;   
}    
function   submitForm(){   
    var ls_uid=document.getElementById("T_UID").value;
    var ls_pwd=document.getElementById("T_PWD").value;
    if(ls_uid=="" || ls_pwd=="")
    {
        alert("请输入用户名和密码，否则无法登录！");
        return false;
    }
    SetCookie("jjb_name",ls_uid);
    if(document.getElementById("Checkbox2").checked){
        SetCookie("jjb_password",ls_pwd);  
    }
    else
    {   
        DelCookie("jjb_password");
    }
    return true;
}
function readcookies()
{
    var ls_name=GetCookie("jjb_name");
    var ls_password=GetCookie("jjb_password");
    if(ls_name!=null && ls_name!="")
    {
        document.getElementById("T_UID").value=ls_name;
    }
    if(ls_password!="" && ls_password!=null)
    {
        document.getElementById("T_PWD").value=ls_password;
        document.getElementById("Checkbox2").checked=true;
    }
}
function fEvent(sType,oInput){
    switch (sType){
	    case "focus" :
		    oInput.isfocus = true;
	    case "mouseover" :
		    oInput.style.borderColor = '#76A8D7';
		    break;
	    case "blur" :
		    oInput.isfocus = false;
	    case "mouseout" :
		    if(!oInput.isfocus){
			    oInput.style.borderColor='';
		    }
		    break;
    }
}