var IS_LOGIN = "您还未登录，现在登陆吗？";
var IS_DEL = "是否删除？";
var IS_DEBUG = true;
var HIDDEN_ERROR = false;
IE4 = (document.all) ? 1 : 0;
NS4 = (document.layers) ? 1 : 0;
ver4 = (IE4 || NS4) ? 1 : 0;
var IE = (navigator.userAgent.indexOf('MSIE ') != -1);
var IE6 = (navigator.userAgent.indexOf('MSIE 6.0') != -1);
var IE7 = (navigator.userAgent.indexOf('MSIE 7.0') != -1);
var FF = (navigator.userAgent.indexOf('Firefox/') != -1);
var FF2 = (navigator.userAgent.indexOf('Firefox/2.0') != -1);
var OPERA = (navigator.userAgent.indexOf('Opera') >= 0);

function login()
{
    xajax_login();
}

function keyDownSubmitLogin(event)
{
    if (eventKeyCode(event) == 13)
        login();
}

function logout()
{
	xajax_logout();
}

function register()
{
	xajax_register();
}

function setLogin()
{
	if(confirm("您还未登录，您现在登录吗？"))
		login();
}


function popDiv(elementID , divW , divH)
{//弹出层
	var iWidth = document.documentElement.clientWidth; 
	var iHeight = document.documentElement.clientHeight;
    var alpha_hidden_div = document.getElementById("alpha_hidden_div");
	if(alpha_hidden_div)
	{
		document.getElementById("alpha_hidden_div").style.display = "block";
	}
	else
	{
		var bgObj = document.createElement("div");
		bgObj.id = "alpha_hidden_div"; 
		bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:"+iWidth+"px;height:"+Math.max(document.body.clientHeight, iHeight)+"px;filter:Alpha(Opacity=40);background-color:#000000;opacity:0.3;z-index:900;";
		document.body.appendChild(bgObj);
	}
	
	var popdiv_parent = document.getElementById(elementID);
	
	var dde = document.documentElement;
    if (window.innerWidth) 
    {
	      var ww = window.innerWidth;
	      var wh = window.innerHeight;
	      var bgX = window.pageXOffset;
	      var bgY = window.pageYOffset;
    } 
    else
    {
	      var ww = dde.offsetWidth;
	      var wh = dde.offsetHeight;
	      var bgX = dde.scrollLeft;
	      var bgY = dde.scrollTop;
    }    
    var t_DiglogX = (bgX + ((ww - divW)/2));
    var t_DiglogY = (bgY + ((wh - divH)/2)); 

	popdiv_parent.style.top = t_DiglogY + "px";
	popdiv_parent.style.left = t_DiglogX + "px";
	
	popdiv_parent.style.display = "block";
}

function closeBox(div)
{
	var div = document.getElementById(div);
	div.style.display = "none";
}