function window.onload()
{
	document.getElementById("txtUserSerial").focus();
}

function setCookie(name,value)
{
    var Days = 7; 
    var exp  = new Date();
    exp.setTime(exp.getTime() + Days*24*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}

function getCookie(name)
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
    if(arr != null) return unescape(arr[2]); return null;
}

function delCookie(name)
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}

function onDownloadDone(e) 
{
	e = e.replace("£¬",",");
	e = e.replace(" ","");
	if(e.length!=3)
	{
		document.getElementById("Msg").innerHTML = "<font color='#FFFFFF'>" + e + "</font>";
		document.getElementById("txtUserSerial").focus();
		document.getElementById("LoginBotton").style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=100,finishOpacity=100)";
		document.getElementById("LoginBotton").disabled = false;
	}
	else
	{
		document.getElementById("Msg").innerHTML = "<font color='#FFFFFF'>Lodging,please wait...</font>";
		delCookie("column_tab");
		delCookie("column_i");
		delCookie("column_j");
		delCookie("tabindex");
		var defaultArr = e.split(",");
		setCookie("default_column_i",defaultArr[0]);
		setCookie("default_column_j",defaultArr[1]);
		location.replace("index.asp");
	}
}

function CheckUser()
{
	if(!document.getElementById("LoginBotton").disabled)
	{
		document.getElementById("LoginBotton").style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=50,finishOpacity=50)";
		document.getElementById("LoginBotton").disabled = true;
		var url = "authenticate.asp?txtUserSerial=" + document.getElementById("txtUserSerial").value + "&txtPassword=" + document.getElementById("txtPassword").value;
		document.getElementById("LoginForm").startDownload(url,onDownloadDone);
	}
}