$.extend({
	setHomePage:function(url) {
		url = url||"http://" + document.location.host;
		if(!window.confirm("是否设置" + url + "为首页?")) return false;
		if (window.sidebar)
		{
			try { 
			   netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
			} 
			catch (e) 
			{  
			   alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
			} 
			var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
			prefs.setCharPref('browser.startup.homepage','http://'+document.location.host);
		}
	},
	

	addFavorite:function(url,title) {   
	url = url||window.location.href;
	title = title||document.title;
	
		if(window.ActiveXObject){
			window.external.addFavorite(url,title);
		}
		else {
			window.sidebar.addPanel(title,url,""); 
		}
	},

	
	//显示“加入收藏夹”
	showFavorite:function(txt) {
		txt = txt||"加入收藏";
		document.writeln('<a href="javascript:$.addFavorite()">' + txt + '</a>');
	},

	
	//显示“设为首页”
	showSethome:function(txt, css, url) {
		txt = txt||"设为首页";
		css = css||"";
		css = (css.length == 0)? "":" class=\"" + css + "\"";
		url = url||"http://"+document.location.host;
		
		if(document.all) {
			document.writeln("<a href=\"#\" onclick=\"this.style.behavior='url(#default#homepage)';this.setHomePage('" + url + "');\"" + css + ">" + txt + "</a>");
		}
		else {
			document.writeln("<a href=\"#\" onclick=\"$.setHomePage('" + url + "')\"" + css + ">" + txt + "</a>");
		}
	},
	

	//登陆入口
	loginTxt:function(txt, settings) {
		settings = jQuery.extend({callback:false, target:"", css:""}, settings);

		var host;
		if(/\w+\.cn\.(.+)$/.test(window.location.host)) {
			host = window.location.host.replace(/\w+\.cn\.(.+)$/, "http://member.$1");
		}
		else {
			host = window.location.host.replace(/\w+\.(.+)$/, "http://member.$1");
		}

		var url = host + "/login.html";
		if(settings.callback) {
			url += "?callback=" + encodeURIComponent(window.location);
		}

		document.writeln('<a href="' + url + '" target="'+ settings.target +'" class="' + settings.css + '">' + txt + '</a>');
	},

	
	//注册入口
	registerTxt:function(txt, settings) {
		settings = jQuery.extend({callback:false, target:"", css:""}, settings);
		var host;
		if(/\w+\.cn\.(.+)$/.test(window.location.host)) {
			host = window.location.host.replace(/\w+\.cn\.(.+)$/, "http://member.$1");
		}
		else {
			host = window.location.host.replace(/\w+\.(.+)$/, "http://member.$1");
		}

		var url = host + "/reg.html";
		if(settings.callback) {
			url += "?callback=" + encodeURIComponent(window.location);
		}

		document.writeln('<a href="' + url + '" target="'+ settings.target +'" class="' + settings.css + '">' + txt + '</a>');
	},
	topBar:function(w){
	var w=w||"div.topbar dl";
	if($.browser.version==6){
		$(w).each(function(){
		  $(this).hover(function(){$(this).addClass("hover")},function(){$(this).removeClass("hover")});
		});		
	  };
	}
});



$.fn.extend({
	//刷新验证码
	reverify:function() {
		var host;
		if(/\w+\.cn\.(.+)$/.test(window.location.host)) {
			host = window.location.host.replace(/\w+\.cn\.(.+)$/, "http://a.$1");
		}
		else {
			host = window.location.host.replace(/\w+\.(.+)$/, "http://a.$1");
		}

		host += "/checkcode.html?" + Math.random();
		$(this).attr("src", host);
		$(this).attr("title", $(this).attr('alt'));
	},
	
	

	//搜索关键词
	search:function(type) {
		type = type||"products";
		var keyword = $(this).val();
		
		if(keyword.length > 0) {
			var url = window.location.host.replace(/.+?(\..+?\..+)$/, "http://search$1/");
			url += type + "-" + encodeURIComponent($.trim(keyword)) + ".html";
			window.location = url;
		}
		else {
			alert("您还没有输入要进行搜索的关键词");
		}
	}
	
});
function record(env) {
			  env = env||window.event;
				if(env.keyCode == 13) {
					$("#topSearchBar").search($("#surl").val());					
				}		
			};