document.write("<table><form method=post name=myform action=index.asp?xAction=xResult target=newwindow>");
document.write("<tr><td><select name=action size=1>");
document.write("<option value=title selected>按文章标题</option>");
document.write("<option value=editor>按发布人</option>");
document.write("<option value=author>按文章作者</option>");
document.write("<option value=all>全部内容</option>");
document.write("</select>　<input type=text name=keyword size=10 value=关键字 onfocus=\"if (value =='关键字'){value =''}\" onblur=\"if (value ==''){value='关键字'}\" maxlength=50>　<input type=submit name=Submit value=搜索>&nbsp;&nbsp;</td></tr></form></table>");