// JavaScript Document

function goSearch(str) 
{
	var sform = document.searchForm;
	sform.key.value=str;
	sform.submit();
}

function doSearch()
{
	var sform = document.searchForm;
	var key = sform.key.value;
	if(isNull(key)){
		alert("请先输入您想搜索的关键词。")
	} else {
		sform.submit();
	}
}

function getToday()
{
	var today=new Date();
	document.write(today.getYear()+"年"+(today.getMonth()+1)+"月"+today.getDate()+"日")
}

function getWeek()
{
	var today=new Date();
	var week=new initArray("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
	document.write(week[today.getDay()+1]);
}
//=========================================================================

function isNull(str)
{
	if(str==null||str==""||str.length==0||str=="undefined")	
	{
		return true
	}
	return false;
}

function initArray()
{
	this.length=initArray.arguments.length
	for(var i=0;i<this.length;i++)
		this[i+1]=initArray.arguments[i]
}

//=================================加入收藏==================================
function AddFavorite(sURL, sTitle)
{
	try
	{
		window.external.addFavorite(sURL, sTitle);
	}
	catch (e)
	{
		try
		{
			window.sidebar.addPanel(sTitle, sURL, "");
		}
		catch (e)
		{
			alert("加入收藏失败，请使用Ctrl+D进行添加");
		}
	}
}

//=================================设为首页==================================
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("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',vrl);
			 }
	}
}