function Check_Email(string){ 
  var str_len = string.length;
  if (str_len<=5){
     return true
   	}  
  for(i=0;i<str_len;i++){
     if (string.charCodeAt(i)>127){
	 return true 	
		}
  }
  if (string.indexOf("@")<2){
     return true
   	}  
       if (string.indexOf(".")<4){
    return true
   	}  
  if (string.indexOf(":")!=-1){
    return true
  }
}

function reg_do_check(){
  if(document.reg_do_form.user_name.value==""){
    alert("请填写用户名");
	document.reg_do_form.user_name.focus();
	return false;
  }
  if(document.reg_do_form.user_pwd.value==""){
    alert("请填写用户密码");
	document.reg_do_form.user_pwd.focus();
	return false;
  }
  if(document.reg_do_form.user_pwd.value!=document.reg_do_form.user_pwd1.value){
    alert("两次输入的密码不相符");
	document.reg_do_form.user_pwd.focus();
	return false;
  }
 if(document.reg_do_form.user_realname.value==""){
    alert("请填写真实姓名");
	document.reg_do_form.user_realname.focus();
	return false;
  }
  if(document.reg_do_form.link_man.value==""){
    alert("请填写联系人姓名");
	document.reg_do_form.link_man.focus();
	return false;
  }
  if(document.reg_do_form.live_city.value==""){
    alert("请填写所在城市");
	document.reg_do_form.live_city.focus();
	return false;
  }
  if(document.reg_do_form.link_phone.value==""){
    alert("请填写联系电话");
	document.reg_do_form.link_phone.focus();
	return false;
  }
  if(document.reg_do_form.link_email.value==""){
    alert("请填写E-mail地址");
	document.reg_do_form.link_email.focus();
	return false;
  }
  if(Check_Email(document.reg_do_form.link_email.value)){
		window.alert("请输入正确的E-mail地址！");
		document.reg_do_form.link_email.focus();
		return false;
  }
  if(document.reg_do_form.link_address.value==""){
    alert("请填写通讯地址");
	document.reg_do_form.link_address.focus();
	return false;
  }
}

function reg_please_check(){
  if(document.reg_please_form.user_name.value==""){
    alert("请填写用户名");
	document.reg_please_form.user_name.focus();
	return false;
  }
  if(document.reg_please_form.user_pwd.value==""){
    alert("请填写用户密码");
	document.reg_please_form.user_pwd.focus();
	return false;
  }
  if(document.reg_please_form.user_pwd.value!=document.reg_please_form.user_pwd1.value){
    alert("两次输入的密码不相符");
	document.reg_please_form.user_pwd.focus();
	return false;
  }
 if(document.reg_please_form.user_realname.value==""){
    alert("请填写真实姓名");
	document.reg_please_form.user_realname.focus();
	return false;
  }
  if(document.reg_please_form.link_man.value==""){
    alert("请填写联系人姓名");
	document.reg_please_form.link_man.focus();
	return false;
  }
  if(document.reg_please_form.live_city.value==""){
    alert("请填写所在城市");
	document.reg_please_form.live_city.focus();
	return false;
  }
  if(document.reg_please_form.link_phone.value==""){
    alert("请填写联系电话");
	document.reg_please_form.link_phone.focus();
	return false;
  }
  if(document.reg_please_form.link_email.value==""){
    alert("请填写E-mail地址");
	document.reg_please_form.link_email.focus();
	return false;
  }
  if(Check_Email(document.reg_please_form.link_email.value)){
		window.alert("请输入正确的E-mail地址！");
		document.reg_please_form.link_email.focus();
		return false;
  }
  if(document.reg_please_form.link_address.value==""){
    alert("请填写通讯地址");
	document.reg_please_form.link_address.focus();
	return false;
  } 
}

function zc_group_check(){
  if(document.zc_group_form.user_name.value==""){
    alert("请填写用户名");
	document.zc_group_form.user_name.focus();
	return false;
  }
  if(document.zc_group_form.user_pwd.value==""){
    alert("请填写用户密码");
	document.zc_group_form.user_pwd.focus();
	return false;
  }
  if(document.zc_group_form.user_pwd.value!=document.zc_group_form.user_pwd1.value){
    alert("两次输入的密码不相符");
	document.zc_group_form.user_pwd.focus();
	return false;
  }
 if(document.zc_group_form.user_realname.value==""){
    alert("请填写团体名称");
	document.zc_group_form.user_realname.focus();
	return false;
  }
  if(document.zc_group_form.link_man.value==""){
    alert("请填写联系人姓名");
	document.zc_group_form.link_man.focus();
	return false;
  }
  if(document.zc_group_form.live_city.value==""){
    alert("请填写所在城市");
	document.zc_group_form.live_city.focus();
	return false;
  }
  if(document.zc_group_form.link_phone.value==""){
    alert("请填写联系电话");
	document.zc_group_form.link_phone.focus();
	return false;
  }
  if(document.zc_group_form.link_email.value==""){
    alert("请填写E-mail地址");
	document.zc_group_form.link_email.focus();
	return false;
  }
  if(Check_Email(document.zc_group_form.link_email.value)){
		window.alert("请输入正确的E-mail地址！");
		document.zc_group_form.link_email.focus();
		return false;
  }
  if(document.zc_group_form.link_address.value==""){
    alert("请填写通讯地址");
	document.zc_group_form.link_address.focus();
	return false;
  } 
}


function denglufunc() 
    {
       if (document.loginform.u_name.value=="") 
       {
          window.alert("请填写用户名！");
		   
	      return false;
        }
		if (document.loginform.u_pwd.value=="") 
       {
          window.alert("请填写密码！");
		  
	      return false;
        }
    }

function contentWin(htm){
  myWin= open(htm, "_blank","top=270,left=290,width=400,height=168,toolbar=no,menubar=no,scrollbars=no,resizable=no")
}

function open_url(htm) {
  myWin= open(htm, "_blank","top=0,left=0,width=803,height=495,toolbar=no,menubar=no,scrollbars=yes,resizable=yes")
}