function search1(pageIndex){
	   if (document.getElementById("keyword").value==""){
		  alert("请输入关键词！");
		  document.getElementById("keyword").focus();
	  	 }else{
	      document.getElementById("searchForm").action="/LuceneSearch/search/luceneSearchAction!LuceneSearchResultList.action?pageInfo.pageIndex=" + pageIndex;
		  document.getElementById("searchForm").submit();
	  	 }
   }