function Validate() {
	switch ( document.scrform.screen.value.substr(document.scrform.screen.value.length - 3, 3).toUpperCase() ) {
		case "BIN":
		case "OUT":
			document.scrform.submit();
			break;
		default:
			alert( "Error: Unsupported file extension. [Supported: *.BIN, *.OUT]" );
			document.scrform.screen.focus();
			return false;
	}
}