function checkForm(thisForm) {
	apos=thisForm.email.value.indexOf("@");
	dotpos=thisForm.email.value.lastIndexOf(".");

	if(thisForm.fname.value == ''){
		alert('Please enter your name.');
		return false;
	}			
	else if (apos < 1 || dotpos-apos < 2){
		alert('Please enter a valid email address');
		return false;
	}else if (thisForm.comments.value == ''){
		alert('Please enter some questions and/or comments.');
		return false;
	} else {
		return true;
	}
}