function checkbName() {
	//alert("DEBUG 1");
	if (document.getElementById('findbook').bname.value == 0 && document.getElementById('findbook').isbn.value == 0) {
		//alert("FOUND 0");
		return false;
	}
	else {
		//alert("FOUND NOT 0");
		return true;
	}
}
function checkbDetails() {
	var chform = document.getElementById('enterb');
	var checker = '';

	for (var n = 0; n < chform.btype.length; n++) {
		if (chform.btype[n].checked == true) {
			typechecked = true;
			//alert('DEBUG 2');
			if (chform.technology.selectedIndex < 2) {
				if (n == 0) {
					checker += 'Please select a Language\n';
				}
				else {
					checker += 'Please select a Technology\n';
				}
			}
			else if (chform.technology.value == 'other') {
				if (chform.otherTech.value == 0) {
					checker += 'Please specify the other language or technology\n';
				}
			}
		}
	}
	if (!typechecked) {
		checker += 'Please indicate whether the book is about a language or a technology\n';
	}
	
	var numAuth;
	var numChecked;
	if (chform.numAuths) {
		for (var j = 0; j < chform.numAuths.length; j++) {
			if (chform.numAuths[j].checked == true) {
				numChecked = j;
			}
		}
	
		if (numChecked < 3) {
			numAuth = chform.numAuths[numChecked].value;
		}
		else {
			if (chform.numAuthsMore.value == 0) {
				checker += 'Please enter the number of Authors\n';
			}
			numAuth = chform.numAuthsMore.value;
		}
		for (var i = 1; i <= numAuth; i++) {
			if (chform.elements['fname'+i].value == 0) {
				checker += 'Please enter a First Name for Author #'+i+'\n';
			}
			if (chform.elements['lname'+i].value == 0) {
				checker += 'Please enter a Last Name for Author #'+i+'\n';
			}
		}
	}

	if (checker != '') {
		alert(checker);
		return false;
	}
	else {
		return true;
	}
}