// JavaScript Document
function validate_email(field)
{
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {return false;}
  else {return true;}
  }
}

function validate_form(thisform)
{
	var error_msg = "";
with (thisform)
  {
  
  if (validate_email(requiredEmail)==false) { 
	error_msg = error_msg + "Please enter a valid email.\n";
	}
	
   if (requiredFirstName.value == "") {
	   
	   error_msg = error_msg + "Please enter your first name.\n";
   }
   
   if (requiredLastName.value == "") {
	   error_msg = error_msg + "Please enter your last name.\n";
   }
  }
  
  if (error_msg != "") {
	  	alert (error_msg); return false;
  } else { return true; }
}