function Trim(Str){
  while ((Str.substring(0,1)==' ') || (Str.substring(0,1)=='\n') || (Str.substring(0,1)=='\r')) { 
  	Str = Str.substring(1,Str.length);
  }
  while ((Str.substring(Str.length-1,Str.length)==' ') || (Str.substring(Str.length-1,Str.length)=='\n') || (Str.substring(Str.length-1,Str.length)=='\r')) { 
  	Str = Str.substring(0,Str.length-1);
  }
  return Str;
}

function IsUserName(UserName){
  var UserNameFormat = /^[a-z0-9\_]+$/
  var Result = UserNameFormat.test(UserName);
  return Result;
}

function IsValidEmail(Email){
  var EmailFormat = /^\w(\.?\w)*@\w(\.?[-\w])*\.([a-z]{3}(\.[a-z]{2})?|[a-z]{2}(\.[a-z]{2})?)$/i
  var Result = EmailFormat.test(Email);
  return Result;
}

function IsValidDate(Day, Month, Year){
  var Result = true;
  var ValidDate = new Date(Year, Month-1, Day);
  if (ValidDate.getDate( )!=Day) { Result = false; }
  return Result;
}

function IsValidZipCode(ZipCode){
  var ZipCodeFormat = /^\d{5}$/
  var Result = ZipCodeFormat.test(ZipCode);
  return Result;
}

function IsValidTelNo(TelNo){
  var TelNoFormat = /^[\d\-\(\)\+\*\.\# ]{7,}$/
  var Result = TelNoFormat.test(TelNo);
  return Result;
}

function MemberApply(){
  if (confirm("เฉพาะสมาชิกนะคะ\n"+"ต้องการสมัครสมาชิกเลยไหมคะ")==true){
   	document.location.href = "http://www.siamkane.com/register.php";
  }
}