var styleclass = null; 
function addfavorite()
{
	if (document.all)
	{
	window.external.addFavorite("http://www.zscs.org","中山市计算机学会");
	}
	else if (window.sidebar)
	{
	window.sidebar.addPanel("中山市计算机学会", "http://www.zscs.org","");
	}
}
function sethomepage()
{
	if (document.all)
	{
		document.body.style.behavior="url(#default#homepage)";
	   document.body.setHomePage("http://www.zscs.org");
	}
	else 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");
			}
		}
		var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components. interfaces.nsIPrefBranch);
		prefs.setCharPref("browser.startup.homepage","http://www.zscs.org");
	}
}
// 创建XMLHTTP对象
function getXMLObj() 
{
	try 
	{
		xhr=new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch (e) 
	{
		try 
		{
			xhr=new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch (e) 
		{
			xhr=false;
		}
	}
	if(!xhr&&typeof XMLHttpRequest!='undefined') 
	{
		xhr=new XMLHttpRequest();
	}
	return xhr;
}
function addquerynum()
{
	var querynum = document.getElementById("querynum"); 
	if (querynum != null)
	{
		querynum.innerHTML++; 
	}
}
// 加载左栏
function loadindexleft1()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{
		xmlhttp.open("post", "/indexleft1.asp", true); 
		xmlhttp.onreadystatechange = indexleft1complete;  
		xmlhttp.send(null); 
	}
} 
function indexleft1complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexleft1"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				loadindexleft2();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}
var codeid; 
function getpicturecode()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{
		codeid = new Date().getTime(); 
		document.getElementById("picturecode").innerHTML = "<img src='/images/loading_small.gif' />"; 
		xmlhttp.open("post", "/GetCode.asp?id="+codeid, true); 
		xmlhttp.onreadystatechange = getpicturecodecomplete; 
		xmlhttp.send(null); 
	}
}
function getpicturecodecomplete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			document.getElementById("picturecode").innerHTML = "<img src='/GetCode.asp?id="+codeid+"' onclick='getpicturecode();' />"; 
		}
	}
}
function loadindexleft2()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{
		xmlhttp.open("post", "/indexleft2.asp", true); 
		xmlhttp.onreadystatechange = indexleft2complete;  
		xmlhttp.send(null); 
	}
} 
function indexleft2complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexleft2"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				addquerynum(); 
				loadindexleft3();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}

function loadindexleft3()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{
		xmlhttp.open("post", "/indexleft3.asp", true); 
		xmlhttp.onreadystatechange = indexleft3complete;  
		xmlhttp.send(null); 
	}
} 
function indexleft3complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexleft3"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText; 
				addquerynum(); 
	//			clearAD(); 
				loadrss6(); 
				loadrss1(); 
				loadrss2(); 
				loadrss3(); 
				loadrss4(); 
				loadrss5(); 
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}
//加载正文
function loadindexright1()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{ 
		xmlhttp.open("post", "/indexright1.asp", true); 
		xmlhttp.onreadystatechange = indexright1complete; 
		xmlhttp.send(null); 
	}
} 
function indexright1complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexright1"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				addquerynum(); 
				loadindexright2();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}
function loadindexright2()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{ 
		xmlhttp.open("post", "/indexright2.asp", true); 
		xmlhttp.onreadystatechange = indexright2complete;  
		xmlhttp.send(null); 
	}
} 
function indexright2complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexright2"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				addquerynum(); 
				loadindexright3();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}

function loadindexright3()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{ 
		xmlhttp.open("post", "/indexright3.asp", true); 
		xmlhttp.onreadystatechange = indexright3complete;  
		xmlhttp.send(null); 
	}
} 
function indexright3complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexright3"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				addquerynum(); 
				loadindexright4();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}
function loadindexright4()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{ 
		xmlhttp.open("post", "/indexright4.asp", true); 
		xmlhttp.onreadystatechange = indexright4complete;  
		xmlhttp.send(null); 
	}
} 
function indexright4complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexright4"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				addquerynum(); 
				loadindexright5();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}
function loadindexright5()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{ 
		xmlhttp.open("post", "/indexright5.asp", true); 
		xmlhttp.onreadystatechange = indexright5complete;  
		xmlhttp.send(null); 
	}
} 
function indexright5complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexright5"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				addquerynum(); 
				loadindexright6();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);  
		}
	}
}
function loadindexright6()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{ 
		xmlhttp.open("post", "/indexright6.asp", true); 
		xmlhttp.onreadystatechange = indexright6complete;  
		addquerynum(); 
		xmlhttp.send(null); 
	}
} 
function indexright6complete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("indexright6"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText;  
				addquerynum(); 
				loadindexleft1();
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);   
		}
	}
}

// 加载“业内资讯”模块到index.asp
function loadrss()
{
	xmlhttp = getXMLObj();
	if (xmlhttp)
	{ 
		xmlhttp.open("post", "/getrss.asp", true); 
		xmlhttp.onreadystatechange = function onloadrss()
		{
			if (xmlhttp.readyState == 4)
			{
				if (xmlhttp.status == 200)
				{ 
					var e = document.getElementById("rssnews"); 
					if (e)
					{
						e.innerHTML = xmlhttp.responseText; 
						loadindexright1();   
						document.getElementById('rss6').style.display = "block";
						document.getElementById('rss1').style.display = "none";
						document.getElementById('rss2').style.display = "none";
						document.getElementById('rss3').style.display = "none";
						document.getElementById('rss4').style.display = "none";
						document.getElementById('rss5').style.display = "none";
					}
					else
					{
						alert("没有找到对象！"); 
					}
				}
			}
		}
		xmlhttp.send(null); 
	}
} 
function rsscomplete()
{
	if (xmlhttp.readyState == 4)
	{
		if (xmlhttp.status == 200)
		{ 
			var e = document.getElementById("rssnews"); 
			if (e)
			{
				e.innerHTML = xmlhttp.responseText; 
				loadindexright1();   
				document.getElementById('rss1').style.display = "block";
				document.getElementById('rss2').style.display = "none";
				document.getElementById('rss3').style.display = "none";
				document.getElementById('rss4').style.display = "none";
				document.getElementById('rss5').style.display = "none";
				loadrss1(); 
				loadrss2(); 
				loadrss3(); 
				loadrss4(); 
				loadrss5(); 
			//	loadrss6(); 
			}
			else
			{
				alert("没有找到对象！"); 
			}
		}
		else
		{
			alert("error: XMLHttpRequest.status=" + xmlhttp.status);   
		}
	}
}
function bytesToBSTR(body,Cset)
{
	var objstream;
	objstream = Server.CreateObject("Adodb.Stream");
	objstream.Type = 1;
	objstream.Mode = 3;
	objstream.Open();
	objstream.Write(body);
	objstream.Position = 0;
	objstream.Type = 2;
	objstream.Charset = Cset;
	bytesToBSTR = objstream.Readtext;
	objstream.Close;
	return(bytesToBSTR);
}
function getrss(rssxmlhttp, id, url, tag, pagecode)
{
	if (rssxmlhttp)
	{
	    var x = 'pagecode='+pagecode+'&tag='+escape(tag)+'&url='+escape(url); 
	    rssxmlhttp.open('post', '/getdata2.asp', true); 
		rssxmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
		rssxmlhttp.setRequestHeader("If-Modified-Since", "0");
		rssxmlhttp.onreadystatechange = function ongetrss()
		{
			if (rssxmlhttp.readyState == 4)
			{
				if (rssxmlhttp.status == 200)
				{
					var items = rssxmlhttp.responseXML.getElementsByTagName("item"); 
					if (!items)
						alert("没有item标签"); 
					else
					{
						var tb = document.getElementById(id); 
						var tr = null; 
						if (!tb)
							alert("没有找到" + id); 
						else
						{
							while (tb.childNodes.length>0)
								tb.removeChild(tb.childNodes[0]); 	
							for (var i=0; i<items.length; i+=2)
							{ 
								tr = document.createElement("tr"); 
								tr.appendChild(createCellWithText(items[i].getElementsByTagName("title")[0].firstChild.nodeValue, items[i].getElementsByTagName("link")[0].firstChild.nodeValue)); 
								tr.appendChild(createCellWithText(items[i+1].getElementsByTagName("title")[0].firstChild.nodeValue, items[i+1].getElementsByTagName("link")[0].firstChild.nodeValue)); 
								tb.appendChild(tr); 
							}
						}
					}
				}
			}
		}
		rssxmlhttp.send(x);
	}
	
}
function createCellWithText(text, url)
{
	var cell = document.createElement("td"); 
	cell.appendChild(document.createTextNode(text)); 
	cell.innerHTML = "<li>" + text.link(url) + "</li>"; 
	cell.style.width = "300px"; 
	return cell; 
}
function unselectallitem()
{
	var c = readCookie('style'); 
	var bg = null; 
	if (c == null)
	{
		bg = "url(/images/menubg2.gif) repeat-x"; 
	}
	else if (c == 'style2')
	{
		bg = "url(/images/black/title_bg.gif) repeat-x"; 
	}
	else if (c == 'style3')
	{
		bg = "url(/images/blue/title_bg.gif) repeat-x"; 
	}
	else
	{
		bg = "url(/images/menubg2.gif) repeat-x"; 
	}
	try{
	document.getElementById("rss1").style.background = bg;
	document.getElementById("rss2").style.background = bg;
	document.getElementById("rss3").style.background = bg;
	document.getElementById("rss4").style.background = bg;
	document.getElementById("rss5").style.background = bg;
//	document.getElementById("rss6").style.background = bg;
	document.getElementById("rss1").style.border = "80px"; 
	document.getElementById("rss2").style.border = "80px"; 
	document.getElementById("rss3").style.border = "80px"; 
	document.getElementById("rss4").style.border = "80px"; 
	document.getElementById("rss5").style.border = "80px"; 
//	document.getElementById("rss6").style.border = "80px"; 
	document.getElementById("rss1").style.width = "80px"; 
	document.getElementById("rss2").style.width = "80px"; 
	document.getElementById("rss3").style.width = "80px"; 
	document.getElementById("rss4").style.width = "80px"; 
	document.getElementById("rss5").style.width = "80px"; 
//	document.getElementById("rss6").style.width = "80px"; 
	}
	catch (e)
	{
		return false;
	}
}
function cleanall(id)
{
	var tb = document.getElementById(id); 
	if (tb.childNodes.length < 1)
	{	
		var tr = document.createElement("tr");
		var cell = document.createElement("td"); 
		cell.innerHTML = "<img src='/images/loading.gif' alt='正在加载...' />"
		tr.appendChild(cell); 
		tb.appendChild(tr); 
	}
}
var xml1; 
var xml2; 
var xml3; 
var xml4; 
var xml5; 
var xml6; 
// 硬件资讯
function loadrss1()
{
    cleanall('rss1')
	if (xml1 == null)
		xml1 = getXMLObj(); 
	getrss(xml1, 'rss1', 'http://rss.mydrivers.com/rss.aspx?cid=1', '硬件资讯', 'GB2312');
}
// OS软件
function loadrss2()
{
    cleanall('rss1')
	if (xml2 == null)
		xml2 = getXMLObj(); 
	getrss(xml2, 'rss2', 'http://rss.mydrivers.com/rss.aspx?cid=8', '软件资讯', 'GB2312');
}
// 业界科学
function loadrss3()
{
    cleanall('rss3')
	if (xml3 == null)
		xml3 = getXMLObj(); 
	getrss(xml3, 'rss3', 'http://rss.mydrivers.com/rss.aspx?cid=9', '业界科学', 'GB2312');
}
// 最新评测
function loadrss4()
{
    cleanall('rss4')
	if (xml4 == null)
		xml4 = getXMLObj(); 
	getrss(xml4, 'rss4', 'http://rss.mydrivers.com/rss.aspx?Tid=2', '最新评测', 'GB2312');
}
// 网络设备
function loadrss5()
{
    cleanall('rss5')
	if (xml5 == null)
		xml5 = getXMLObj(); 
	getrss(xml5, 'rss5', 'http://rss.mydrivers.com/rss.aspx?cid=5', '网络设备', 'GB2312');
}
// cnbeta新闻
function loadrss6()
{
    hideallbut('rss6'); 
    cleanall('rss6')
	if (xml6 == null)
		xml6 = getXMLObj(); 
	getrss(xml6, 'rss6', 'http://www.cnbeta.com/backend.php', 'cnBeta新闻', 'utf-8');
}
function hideallbut(id)
{
	try {
	document.getElementById('rss1').style.display = 'none'; 
	document.getElementById('rss2').style.display = 'none'; 
	document.getElementById('rss3').style.display = 'none'; 
	document.getElementById('rss4').style.display = 'none'; 
	document.getElementById('rss5').style.display = 'none'; 
	document.getElementById('rss6').style.display = 'none'; 
	document.getElementById(id).style.display = 'block'; 
	
	var c = readCookie('style'); 
	var bg = null, bgselect = null; 
	if (c == null)
	{
		bg = "url(/images/menubg2.gif) repeat-x"; 
	}
	else if (c == 'style2')
	{
		bg = "url(/images/black/title_bg.gif) repeat-x"; 
		bgselect = "url(/images/black/tab_select.png)"; 
	}
	else if (c == 'style3')
	{
		bg = "url(/images/blue/title_bg.gif) repeat-x"; 
		bgselect = "url(/images/blue/tab_select.png)"; 
	}
	else
	{
		bg = "url(/images/menubg2.gif) repeat-x"; 
		bgselect = "url(/images/tab_select.png)"; 
	}
	document.getElementById('rsstd1').style.background = bg;
	document.getElementById('rsstd2').style.background = bg;
	document.getElementById('rsstd3').style.background = bg;
	document.getElementById('rsstd4').style.background = bg;
	document.getElementById('rsstd5').style.background = bg;
	document.getElementById('rsstd5').style.background = bg;
	document.getElementById('rsstd6').style.background = bg;
	document.getElementById("rsstd1").style.width = "80px"; 
	document.getElementById("rsstd2").style.width = "80px"; 
	document.getElementById("rsstd3").style.width = "80px"; 
	document.getElementById("rsstd4").style.width = "80px"; 
	document.getElementById("rsstd5").style.width = "80px"; 
	document.getElementById("rsstd6").style.width = "80px"; 
	var idtitle = 'rsstd'+id.substr(3,1); 
	document.getElementById(idtitle).style.width = "100px"; 
	document.getElementById(idtitle).style.background = bgselect;
	
	}
	catch (e)
	{
		return false;
	}
}
function switchStylestyle(styleName)
{
	aa=document.styleSheets;
	for(i=0;i<aa.length;i++) 
	{
		aa[i].disabled = true;
		if (aa[i].title== styleName)
		{
			aa[i].disabled = false;
		}
	};
	createCookie('style', styleName, 365);
	hideallbut('rss6'); 
}
function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') 
			c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) 
			return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function eraseCookie(name)
{
	createCookie(name,"",-1);
}
function clearAD()
{
	if(adframe.document.getElementById("divAD"))
		adframe.document.getElementById("divAD").innerHTML = none; 
}
function get_Code() 
{
    var Dv_CodeFile = "http://www.zscs.org/bbs/Dv_GetCode.asp";
    if(document.getElementById("imgid"))
        document.getElementById("imgid").innerHTML = '<img src="'+Dv_CodeFile+'?t='+Math.random()+'" alt="点击刷新验证码" style="cursor:pointer;border:0;vertical-align:middle;height:18px;" onclick="this.src=\''+Dv_CodeFile+'?t=\'+Math.random()" />'; 
}