关于css的问题

    setSampleList : function(dataList){
    var newslist = document.getElementById("newslist");
var basePath = document.getElementById("basePath").value;
        listparam2 = listparam1; 
    var html = "";
for(var n in dataList){
html += " <div class='news'> <p>"
+ " <div style='float:left;width:80%;'>"
+ " <a href="+basePath+"readNews.jsp?newsId="+dataList[n].newsId+">"
+ dataList[n].newsTitle
+ " </a>"
+ " </div>"
+ " <div style='float:left;'>"
+ dataList[n].newsDate.getFormatDate("YY-MM-DD")
+ " </div>"
+ " <div style='clear:both;'>"
+ " </div>"
+ " </p> </div>"
}
html += " <div style='height:4px;'> <h3 align='center'>"
+ html2
+ " </h3> </div>"
if(dataList.length == 0){html = "目前没有新闻发布。";}

//newslist.innerHTML = html;
dwr.util.setValue("newslist",html, {escapeHtml:false});