function validate( frm ) {

	var returnValue = false;

	if ( BlankField( frm.fname.value ) ) {
		alert ( "Please enter your first name." );
		frm.fname.focus();

	} else if ( BlankField( frm.lname.value ) ) {
		alert ( "Please enter your last name." );
		frm.lname.focus();

	} else if ( !ValidEmail( frm.email.value ) ) {
		alert ( "Please enter a valid email address." );
		frm.email.focus();

	} else {
		returnValue = true;
		document.getElementById( "submit" ).disabled = "true";
	}
	
	return returnValue;

}