function checkForm() {

	var name = document.getElementById("name");
	var email = document.getElementById("email");
	var message = document.getElementById("message");
	
	var atpos = email.value.indexOf("@");
	var dotpos = email.value.indexOf(".");
	
	var firstError = null;
	var valid = false;
	var errors = 0;
	
	if (message.value.length <= 1) {
		errors += 1;
		firstError = "message";
		message.className = "error";
	} else {
		message.className = "";
	}
	
	if (email.value.length <= 1 || atpos <= 0 || dotpos <= 1) {
		errors += 1;
		firstError = "email";
		email.className = "error";
	} else {
		email.className = "";
	}
		
	if (name.value.length <= 1) {
		errors += 1;
		firstError = "name";
		name.className = "error";
	} else {
		name.className = "";
	}
	
	if (errors == 0) {
		valid = true;
	} else {
		valid = false;	
	}

	if (valid == false) {
		document.getElementById("error").style.display = "block";
		document.getElementById(firstError).focus();
		return false;
	} else {
		return true;
	}

}