document.write("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\" bordercolordark=\"#CCCCCC\" bordercolorlight=\"#000000\">");
document.write("<form name=\"uploadForm\" onsubmit=\"return EW_checkUpForm(this);\" method=\"post\" action=\"/hyupload.asp?action=1\" enctype=\"multipart/form-data\">");

document.write("<tr align=\"center\" valign=\"middle\">");
document.write("<td align=\"left\" id=\"upid\"> 文件:");
document.write("<input type=\"file\" name=\"UploadFile\" style=\"width:160\" class=\"tx1\" value=\"\">");
document.write("<input type=\"hidden\" name=\"act\" value=\"upload\">");
document.write("</td>");
document.write("</tr>");
document.write("<tr align=\"center\" valign=\"middle\">");
document.write("<td align=\"center\" id=\"upid\">");
document.write("<input type=\"submit\" name=\"Submit\" value=\"上传附件\" class=\"bt\">");
document.write("</td>");
document.write("</tr>");
document.write("<tr align=\"center\" valign=\"middle\">");
document.write("<td align=\"center\" id=\"upid\">");
document.write("用户登录并报名后才能上传附件，多个附件请打包后上传");
document.write("</td>");
document.write("</tr>");
document.write("</form>");
document.write("</table>");

function  EW_checkUpForm(EW_this) {
if (EW_this.UploadFile.value == "") {
            alert("请选择需要上传的文件");
            EW_this.UploadFile.focus();
            return false; 
        }
return true;
}