function validate_webForm()
			{
			var okSoFar=true
			with (document.ph_form_mail)
			{
			var foundAt = email.value.indexOf("@",0)
			if (foundAt < 1 && okSoFar)
	  {
	    okSoFar = false
	    alert ("Please enter a valid email address.")
	    email.focus()
	  }
	  var e1 = email.value
	  var e2 = email_confirm.value
	  if (!(e1==e2) && okSoFar)
	  {
	    okSoFar = false
	    alert ("Email addresses you entered do not match.  Please re-enter.")
	    email.focus()
	  }
	  if (thesubject.value=="" && okSoFar)
	  {
	    okSoFar=false
	    alert("Please enter a subject.")
	    subject.focus()
	  }
	  if (message.value=="" && okSoFar)
	  {
	    okSoFar=false
	    alert("Please enter the details for your enquiry.")
	    message.focus()
	  }
	  if (okSoFar==true)  submit();
	 }
	}