// JavaScript Document

function isamerican(thezip){
   var re = /^\d{5}([\-]\d{4})?$/;
   if (thezip.length > 5){
	   	return false;
   }else{
   return (re.test(thezip));
   }
	   

}

function iscanadian(thezip){
   var re = /^\D{1}\d{1}\D{1}\ ?\d{1}\D{1}\d{1}$/   ;
    if (thezip.length < 6){
	   	return false;
   }else{
   return (re.test(thezip));
   }
}