function GetId(id)
{
	return document.getElementById(id);
}

//该函数将返回XMLHTTP对象实例
function createAjax()
{
	var xmlHttp;
	try
	{
		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	catch(e)
	{
		try
		{
			xmlHttp=new XMLHttpRequest();
		}
		catch(e)
		{
			xmlHttp=false;
		}
	}
	return xmlHttp;
}

//添加到收藏夹
function bookmark(){
	var title=document.title;
	var url=document.location.href;
	if (window.sidebar)
	{
		window.sidebar.addpanel(title,url,"");
	}
	else if( window.opera && window.print )
	{
		var mbm=document.createelement('a');
		mbm.setattribute('rel','sidebar');
		mbm.setattribute('href',url);
		mbm.setattribute('title',title);
		mbm.click();
	}
	else if( document.all) 
	{
		window.external.addfavorite(url,title);
	}
}

//设置首页
function h(obj,url){obj.style.behavior='url(#default#homepage)';obj.sethomepage(url);}