// 关键字搜索
var keywords="請輸入新聞關鍵字";
function showwords(thisobj,thistype){
	if(thistype){
		if(thisobj.value=="")
			{thisobj.value=keywords;
		    thisobj.style.color='#B6B6B6';}
	}else{
		if(thisobj.value==keywords)
			{thisobj.value="";
		    thisobj.style.color='#CC0000';}
	}
}