// (C) 2007 Intne.

// utility function to retrieve an expiration data in proper format;
function getExpDate(days, hours, minutes)
{
    var expDate = new Date();
    if(typeof(days) == "number" && typeof(hours) == "number" && typeof(hours) == "number")
    {
        expDate.setDate(expDate.getDate() + parseInt(days));
        expDate.setHours(expDate.getHours() + parseInt(hours));
        expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
        return expDate.toGMTString();
    }
}

//utility function called by getCookie()
function getCookieVal(offset)
{
    var endstr = document.cookie.indexOf(";", offset);
    if(endstr == -1)
    {
        endstr = document.cookie.length;
    }
    return unescape(document.cookie.substring(offset, endstr));
}

// primary function to retrieve cookie by name
function getCookie(name)
{
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    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;
}

// store cookie value with optional details as needed
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

// remove the cookie by setting ancient expiration date
function deleteCookie(name, path, domain) 
{
    if(getCookie(name))
    {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}



// 小窗口并居中
function openw(url, width, height, target)
{
    var left	= (screen.width - width) / 2;
    var top		= (screen.height - height) / 2;
    
    window.open(url, target, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top);
}

// 剪贴板操作

function copyToClipboard(txt)
{
	if (window.clipboardData) {
		window.clipboardData.clearData();
		window.clipboardData.setData('Text', txt);
	} else if (navigator.userAgent.indexOf('Opera') != -1) {
		window.location = txt;
	} else if (window.netscape) {
		try {
			netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
		} catch (e) {
			alert('您的 Firefox 安全限制限制您进行剪贴板操作，请在地址栏打开 "about:config" 将 "signed.applets.codebase_principal_support" 设置为 "true" 之后重试。');
			return false;
		}
		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip) return;
		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
		if (!trans) return;
		trans.addDataFlavor('text/unicode');
		var str = new Object();
		var len = new Object();
		var str = Components.classes['@mozilla.org/supports-string;1'].createInstance(Components.interfaces.nsISupportsString);
		var copytext = txt;
		str.data = copytext;
		trans.setTransferData('text/unicode', str, (copytext.length * 2));
		var clipid = Components.interfaces.nsIClipboard;
		if (!clip) return false;
		clip.setData(trans, null, clipid.kGlobalClipboard);
	}
	alert('复制完成！');
	return true;
}

// 设为首页
function defaultHomepage(obj)
{
	obj.style.behavior='url(#default#homepage)';
	obj.setHomePage(obj.href);
}

// 添加至收藏夹
function addFavorite(url, title)
{
	window.external.AddFavorite(url, title);
}






function check_int(obj)
{
	if (obj.value && obj.value.match(/^[0-9]+$/))
	{
		return true;
	}
	else
	{
		if(obj.value && obj.value!='')alert("必须为数字！");
		obj.value='';
		return false;
	}
}


function d() { return confirm('你真的要删除？'); }


function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}