function do_joinus(){

	
		if (document.fm1.user_name.value == "" ) {
	    		alert ("姓名不能空白!");
	    		document.fm1.user_name.focus();
	    		return false;
  	}	
  	
  		if (document.fm1.tel_phone.value == "" ) {
	    		alert ("電話不能空白!");
	    		document.fm1.tel_phone.focus();
	    		return false;
  	}
  	
  		if (document.fm1.email_address.value == "" ) {
	    		alert ("e-mail不能空白!");
	    		document.fm1.email_address.focus();
	    		return false;
  	}
  	
  		if (document.fm1.msn_address.value == "" ) {
	    		alert ("msn不能空白!");
	    		document.fm1.msn_address.focus();
	    		return false;
  	}
  	
  	
  		if (document.fm1.bank_name.value == "" ) {
	    		alert ("銀行名稱不能空白!");
	    		document.fm1.bank_name.focus();
	    		return false;
  	}
  	
  		if (document.fm1.bank_code.value == "" ) {
	    		alert ("銀行代碼不能空白!");
	    		document.fm1.bank_code.focus();
	    		return false;
  	}
  	
  		if (document.fm1.bank_number.value == "" ) {
	    		alert ("銀行帳號不能空白!");
	    		document.fm1.bank_number.focus();
	    		return false;
  	}
  	
  		if (document.fm1.bank_realyname.value == "" ) {
	    		alert ("戶名不能空白!");
	    		document.fm1.bank_realyname.focus();
	    		return false;
  	}
  	
  	
  	
	fm1.type.value = 'joinus';
	fm1.action = "http://www.avhigh.net/sub_result.php";
	fm1.method = "POST";
	fm1.target = "_self";
	fm1.submit();
	return false;
}