var domain_name='www.bfsu.cn';
/**
     * set username cookies value
     */
     function SetUserNameCookies(){
				var Then = new Date();
				Then.setTime(Then.getTime() + 365*24*60*60*1000 );//t
				var tmp_element_username=document.getElementById("username").value;
				var tmp_element_password=document.getElementById("password").value;
				var tmp_element_autologin=document.getElementById("autoLogin").checked
				if(tmp_element_autologin==false)
			  {
					clearCookies();
				}else{
				document.cookie = "bfsuportalcookies="+tmp_element_username+"||"+tmp_element_password+"||"+tmp_element_autologin+";path=/;domain="+domain_name+";expires="+ Then.toGMTString() ;
				}
		}
    /**
     * get username cookies value
     */     
     function GetUserNameCookies(){ 
				var cookieString = new String(document.cookie);
				var cookieHeader = "bfsuportalcookies=";
				var beginPosition = cookieString.indexOf(cookieHeader);
				var tmpStr = "";
				if (beginPosition != -1){
					tmpStr = cookieString.substring(beginPosition	+ cookieHeader.length);
				}
				else{
					tmpStr="";
				}
				if(tmpStr!=""){
					var tmpUserInfo="";
					tmpUserInfo=tmpStr.split(";")[0];
					if(tmpUserInfo!=""&&tmpUserInfo!="||"){
						document.getElementById("username").value=tmpUserInfo.split("||")[0];  
						document.getElementById("password").value=tmpUserInfo.split("||")[1];  
						document.getElementById("autoLogin").checked=tmpUserInfo.split("||")[2];
						if(tmpUserInfo.split("||")[2]=="false")
						{
							document.getElementById("autoLogin").checked=false;
						}else{
							document.forms["login_form"].submit();
						}
					}
				}else{
					document.getElementById("username").value="";  
					document.getElementById("password").value="";
					document.getElementById("autoLogin").checked=false;
				}
		}
		function clearCookies(){
				//·ÖSMöô
			var date_now=new Date();
			//date¾n:Ç»„öô
			date_now.setTime(date_now.getTime()-100000);
			//userIdÙ*cookie d
			document.cookie = "bfsuportalcookies='';path=/;domain="+domain_name+";expires="+date_now.toGMTString();
		}
 function submitInfo()
	  {
	  	SetUserNameCookies();
	  	document.forms["login_form"].submit();
	  }	

function enter(e,element_id){ 
    var ie =navigator.appName=="Microsoft Internet Explorer"?true:false; 
    if(ie){ 
        if(window.event.keyCode==13){doLogin(element_id);} 
    }else{ 
        if(isKeyTrigger(e,13)){doLogin(element_id);} 
    } 
} 


	function doLogin(element_id)
	{
	if(element_id=="username")
	           document.getElementById("password").focus();
	else if (element_id == "password")
	           submitInfo();
	}
 
function isKeyTrigger(e,keyCode){ 
   var nav4 = window.Event ? true : false; 
    if(typeof e == 'undefined') { 
        e = event; 
    } 
    var whichCode = 0; 
    if (nav4) whichCode = e.which; 
    else if (e.type == "keypress" || e.type == "keydown") 
        whichCode = e.keyCode; 
    else whichCode = e.button; 

    return (whichCode == keyCode); 
}