function subscribecheck()
{
      if (document.subscribeform.Contact_FirstName.value == "")
   {
      alert("Please fill in your first name.")
      document.subscribeform.Contact_FirstName.focus()
      return false
   }
      else if (document.subscribeform.Contact_LastName.value == "")
   {
      alert("Please fill in your last name.")
      document.subscribeform.Contact_LastName.focus()
      return false
   }
      else if (document.subscribeform.Contact_Email.value == "")
   {
      alert("Please fill in your email address")
      document.subscribeform.Contact_Email.focus()
      return false
   }
	  else if(document.subscribeform.Contact_Email.value.indexOf('@')== -1)
   {
		alert("Your email address is missing an @ symbol") 
		document.subscribeform.Contact_Email.focus()
		return false
	}
	   else if(document.subscribeform.Contact_Email.value.indexOf('.')== -1)
	{
	    alert("Your email address is missing a period") 
		document.subscribeform.Contact_Email.focus()
		return false
	}
	 
}