function submit_form ()
{
    if (document.pfa.Name.value == "")
     {
       document.pfa.Name.focus();
       alert("Please Enter Your Name");
     }
    else if ((document.pfa.Phone.value == "") && 
             (document.pfa.Email.value == "") ) 
       {
         document.pfa.Phone.focus();
         alert("Please enter atleast one type of Contact");
       }
    else if (!validEmail(document.pfa.Email.value))
         {
          document.pfa.Email.focus();
         }
    else if (document.pfa.Number.value == "")
         {
		 alert("Please enter Number Attending");
          document.pfa.Number.focus();
         }
  else
     {
      document.pfa.email.value = document.pfa.Email.value;
      document.pfa.subject.value = "SCS - Chasing the Morning Sun";

      var atsign = "@";
      var server = location.host;
      var domain = server.substr(4);
      document.pfa.recipient.value = "events" + atsign + domain;
      document.pfa.realname.value = "WebForm" + atsign + domain;
      document.pfa.submit();
     }
}


function validEmail(incoming) {
	var emailstring = incoming;
	var ampIndex = emailstring.indexOf("@");
	var afterAmp= emailstring.substring((ampIndex + 1), emailstring.length);
    var dotIndex = afterAmp.indexOf(".");
    var afterDot = afterAmp.substring((dotIndex + 1), emailstring.length);
    
    if (emailstring == "")
       {
        return true;
       }
    else if (ampIndex < 1  || dotIndex < 1 || afterDot == "")
       {
        alert("Please enter a valid email address");
        return false;
       }
    else 
         {return true;}
}


function print_thank_you()
{
    var url = document.URL;
	var where=url.indexOf('#');

	if (where > -1)
	{
		document.write("<font color='red'><b>Thank you for Registering.</b></font>");
     }
		 

}