function SubmitCalendar(calendar) {

if (calendar.name.value == "") {
    calendar.name.focus()
    alert("Please enter your name")
    return false
    }
	
	if (calendar.phone.value == "") {
    calendar.phone.focus()
    alert("Please enter your phone number")
    return false
    }
	
if (calendar.email.value == "") {
       calendar.email.focus()
      alert("Please enter your email address")
      return false
    }

if (calendar.email.value.length < 6) {
       calendar.email.focus()
      alert("Please enter a valid email address")
      return false
    }

if (calendar.email.value.indexOf("@") == 0) {
       calendar.email.focus()
      alert("Please enter a valid email address")
      return false
    }

if (calendar.email.value.indexOf(".") == 0) {
       calendar.email.focus()
      alert("Please enter a valid email address")
      return false
    }



if (calendar.heading.value == "") {
    calendar.heading.focus()
    alert("Please enter your event heading")
    return false
    }
	
	if (calendar.date.value == "") {
    calendar.date.focus()
    alert("Please enter your event date")
    return false
    }
	
	if (calendar.time.value == "") {
    calendar.time.focus()
    alert("Please enter your event time")
    return false
    }
	
	if (calendar.description.value == "") {
    calendar.description.focus()
    alert("Please enter your event description")
    return false
    }



}