// JavaScript Document
function getAbsolutePos(e){
	var l=e.offsetLeft;
	var t=e.offsetTop;
	while(e=e.offsetParent){
		l+=e.offsetLeft;
		t+=e.offsetTop;
	}
	var pos=new Object();
	pos.x=l;
	pos.y=t;
	return pos;
}

function showRSS(posID,divID){
	var point=document.getElementById(posID);
	var pos=getAbsolutePos(point);
	dx = (pos.x+5)+"px";
	dy = (pos.y+30)+"px";
	if(document.getElementById(divID).style.display != "inline"){
		document.getElementById(divID).style.position = "absolute";
		document.getElementById(divID).style.zIndex = "9999";
		document.getElementById(divID).style.top= dy;
		document.getElementById(divID).style.left= dx;
		document.getElementById(divID).style.display = "inline";
	}
}
function hideRSS(divID){
	document.getElementById(divID).style.display = "none"
}

function copyToClipBoard(text){

	var userAgent = navigator.userAgent.toLowerCase();
	var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
	var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
	var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

	if(text == null || text == "") {
		alert("没有要复制的内容");
		return;
	}
	if(is_ie) {
		clipboardData.setData('Text', text);
		alert('复制成功，请粘贴到你的QQ/MSN上推荐给你的好友');
	} else if(prompt('你使用的是非IE核心浏览器，请按下 Ctrl+C 复制该连接到剪贴板', text)) {
		alert('复制成功，请粘贴到你的QQ/MSN上推荐给你的好友');
	} else {
		alert('请使用 Ctrl+C 复制该连接到剪贴板');
	}
}

var _addFavorite = function(){
	try{
       window.external.addFavorite(window.location.href,document.title);
	}catch (e){
		if (window.sidebar){
		   window.sidebar.addPanel(document.title, window.location.href, "");
		} else {
			alert("你的浏览器无法使用此功能，推荐使用IE6.0以上浏览器或Firefox浏览器");
		}
	}
};

var _sethome = function(){
	try{
		document.body.style.behavior = "url(#default#homepage)";
		var url = window.location.href;
		urlArr = url.split("?");
		document.body.setHomePage(urlArr[0]);
	}catch (e){
		if (window.sidebar){
			if(window.netscape){
				try{
					netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
				}catch (e){
					alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" );
				}
			}
			try{
				var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
				prefs.setCharPref('browser.startup.homepage',urlArr[0]);
			} catch (e){}
		} else {
			alert("您使用的浏览器无法自动设为主页。\n请点击浏览器上“工具”-“选项”-“常规”，在“主页”\n地址处，输入或粘贴本页面地址。");
		}
	}
};