function checkpage()
{
if(isNaN(document.fenye.page.value))
{
alert("跳转页码请输入数字！");
document.fenye.page.focus();
document.fenye.page.value='';
return false;
}
if(document.fenye.page.value=='')
{
alert("跳转页码不能为空！");
document.fenye.page.focus();
document.fenye.page.value='';
return false;
}
}
function checksSearch()
{
if(search.key.value=="")
{
document.search.key.focus()
alert("请输入搜索关键字!");return false;
}
document.search.submit.disabled=true;
}
function checkdiaen()
{
if(diaen.Name.value=="")
{
alert("请输入您要查询的域名!");diaen.Name.focus();return false;
}
if(diaen.suffix.value=="")
{
alert("请选择域名后缀!");diaen.suffix.focus();return false;
}
}
function checkdia()
{
if(dia.Name.value=="")
{
alert("请输入您要查询的域名!");dia.Name.focus();return false;
}
if(dia.suffix.value=="")
{
alert("请选择域名后缀!");dia.suffix.focus();return false;
}
}
function checkaddlist()
{
if(addlist.prnum.value=="")
{
alert("请输入订购数量!");addlist.prnum.focus();return false;
}
if(!IsNum(addlist.prnum.value)){
alert("请输入数字!")
addlist.prnum.focus();return false;
}
if(addlist.username.value=="")
{
alert("请填写用户名称!");addlist.username.focus();return false;
}
if(addlist.userphone.value=="")
{
alert("请填写联系电话!");addlist.userphone.focus();return false;
}
if(!IsNum(addlist.userphone.value)){
alert("联系电话为数字!")
addlist.userphone.focus();return false;
}
if(addlist.userphone.value.length<7 || addlist.userphone.value.length>12){
alert("固定电话格式：0769(区号)88888888，手机号码为11位数!")
addlist.userphone.focus();return false;
}
if(addlist.usermail.value=="")
{
alert("请填写邮箱地址!");addlist.usermail.focus();return false;
}
if (addlist.usermail.value.length > 0 && !addlist.usermail.value.match( /^.+@.+$/ ) ) {
alert("提示：\n\nEmail 格式错误，请检查后重新输入！");addlist.usermail.focus();return false;
}
if(addlist.userpost.value=="")
{
alert("请输入邮政编码!");addlist.userpost.focus();return false;
}
if(!IsNum(addlist.userpost.value)){
alert("邮政编码为数字!")
addlist.userpost.focus();return false;
}
if(addlist.userpost.value.length!=6){
alert("邮政编码为6位数!")
addlist.userpost.focus();return false;
}
if(addlist.useraddress.value=="")
{
alert("请填写联系地址!");addlist.useraddress.focus();return false;
}
}
function IsNum(num){
var reNum=/^\d*$/;
return(reNum.test(num));
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function checkspace(checkstr) {
  var str = '';
  for(i = 0; i < checkstr.length; i++) {
    str = str + ' ';
  }
  return (str == checkstr);
}
function checkslogin()
{
if(login.mname.value=="")
{
alert("请输入管理名称!");
document.login.mname.focus();
return false;
}
if(login.pws.value=="")
{
alert("请输入管理密码!");
document.login.pws.focus();
return false;
}
if(login.checkcode.value=="")
{
alert("验证码不能为空!");
document.login.checkcode.focus();
return false;
}
document.login.submit();
}
function checkSmall()
{
if (document.smallsort.dnbid.value=="")
{
alert("请先添加大类名称！");
document.smallsort.dnbid.focus();
return false;
}
if (document.smallsort.dnsn.value=="")
{
alert("小类名称不能为空！");
document.smallsort.dnsn.focus();
return false;
}
}
function checkmaster(){
if (document.master.mname.value==""){
alert("管理员名称不能为空！");
master.mname.focus();
return false;
}
if (document.master.mpass.value==""){
alert("管理员密码不能为空！");
master.mpass.focus();
return false;
}
}
function checkpassget() {  
if (document.mail.mail.value=="") { 
document.mail.mail.focus();
window.alert ("请输入您的邮箱地址 ！") 
return false 
}
if (mail.mail.value.length > 0 && !mail.mail.value.match( /^.+@.+$/ ) ) {
alert("提示：\n\nEmail 格式错误，请检查后重新输入！");
document.mail.mail.focus();
return false;
}
return true 
}
function checklinks(){
if (document.links.linkname.value==""){
alert("网站名称不能为空！");
links.linkname.focus();
return false;
}
}
function checkSmalls()
{
if (document.smallsort.dnbid.value=="")
{
alert("请先添加大类名称！");
document.smallsort.dnbid.focus();
return false;
}
if (document.smallsort.dnsid.value=="")
{
alert("请先添加二类名称！");
document.smallsort.dnsid.focus();
return false;
}
if (document.smallsort.dnssn.value=="")
{
alert("三类名称不能为空！");
document.smallsort.dnssn.focus();
return false;
}
}
function DelBig()
{
if(confirm("您确定要删除此产品参数吗？不能恢复！"))
return true;
else
return false;	 
}
function updatetpd()
{
if(confirm("您确定要修改此参数的排序吗？"))
return true;
else
return false;	 
}
function putok()
{
if(confirm("您确定要提交吗？"))
return true;
else
return false;	 
}
function checkpro(){
if (document.pro.pname.value==""){
alert("信息标题不能为空！");
pro.pname.focus();
return false;
}
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}