function Check() 
               {   
                   digits="0123456789()-";

                   if (email.email_address.value.indexOf("@") == -1 || email.email_address.value == "") 
                   {
                   alert("Please enter a valid email address.");
                   email.email_address.focus();
                   return false;
                   } 

                   if (email.message.value == "")
                   {
                   alert("Please enter your message.");
                   email.message.focus();
                   return false;
                   }
	}