function tabit(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			//document.getElementById(tabName+"_div_"+i).style.display = "none";
			document.getElementById(tabName+"_btn_"+i).className = "";
		};
		//document.getElementById(tabName+"_div_"+id).style.display = "block";
		btn.className = "curr";
};

function etabit(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"_div_"+i).style.display = "none";
			document.getElementById(tabName+"_btn_"+i).className = "";
		};
		document.getElementById(tabName+"_div_"+id).style.display = "block";
		btn.className = "curr";
};
function addBookmark(title) {
    var url=top.location.href;
    if (window.sidebar) {
           window.sidebar.addPanel(title, url,"");
    } else if( document.all ) {
    window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
    return true;
    }
};

function SetHome(obj,vrl){
	try{
		obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
	}
	catch(e){
	if(window.netscape) {
       try {
               netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
       }
       catch (e){
			alert("抱歉！您的浏览器不支持直接设为首页。请在浏览器地址栏输入“about:config”并回车然后将 [signed.applets.codebase_principal_support]设置为“true”，点击“加入收藏”后忽略安全提示，即可设置成功。");
	   }
       var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
       prefs.setCharPref('browser.startup.homepage',vrl);
	   }
	}
};