function CheckForm() { 
var errorMsg = "";

	with (document.myform) {
	if (login_name.value == ""){
		errorMsg += "\nType in Your User Name";
	}
	if (errorMsg != ""){
		msg = "____________________________________\n\n";
		msg += "Your form has not been submitted because\n";
		msg += "you did not fill in all the required fields.\n";
		msg += "Please complete the following fields.\n";
		msg += "___________________________________\n\n";
		
		errorMsg += alert(msg + errorMsg + "\n\n");
		return false;
	}
	return true;
	}
}