function ArtChangeBg(name, css, num)
{
	for(var i=1; i<=8; i++)
	{
		if( document.getElementById(name+i) != null )
		{
			document.getElementById(name+i).className=css;
		}
	}
	document.getElementById(name+num).className=css + " " + name;
	document.getElementById(name).innerHTML = document.getElementById(name+"_"+num).innerHTML;
}

function ArtChangeBg3(name, css, num)
{
	for(var i=1; i<=8; i++)
	{
		if( document.getElementById(name+i) != null )
		{
			document.getElementById(name+i).className=css;
			document.getElementById(name+"_"+i).style.display = 'none';
		}
	}
	document.getElementById(name+num).className=css + " " + name;
	document.getElementById(name+"_"+num).style.display = 'block';
}

function getCookie(name)     
        {
            var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
            if(arr != null) return unescape(arr[2]); return null;
        }
        
        function setMemberArea()
        {
            if(getCookie("MemberName") != null )
            {
   var myDate = new Date();
		var xinQi;
	        xinQi = "日一二三四五六".charAt(myDate.getDay());       
   document.getElementById("loginArea").innerHTML = "<div align='center'>欢迎 <font color='#cc0000'>" + getCookie("MemberName") + "</font> 来到精英教育网　" + (myDate.getMonth() + 1) + "月" + myDate.getDate() + "日　星期" + xinQi + "　<a href='http://edu5a.com/common/delcookies.aspx?site=user'>注销</a></div>";
            }
        }
        
        function keywordfocus(){
	if(document.getElementById("txtkeyword").value == '请输入您要搜索的关键字')
	{	
		document.getElementById("txtkeyword").value="";
	}
	document.getElementById("txtkeyword").className="keyword_yes";
}
function keywordblur(){
	if(document.getElementById("txtkeyword").value==""){
		document.getElementById("txtkeyword").value="请输入您要搜索的关键字";
		document.getElementById("txtkeyword").className="keyword_no";
	}
}