function validate(form) {
	var e = form.elements, m = '';
	
	if(!e['item'].value) {
		m += '- Please enter the name of item you are selling.\n';
	}
	if(!e['price'].value) {
		m += '- Please enter an asking price.\n';
	}
	if(!e['contact'].value) {
		m += '- Please enter a contact number.\n';
	}
	if(!e['description'].value) {
		m += '- Please enter a short description.\n';
	}
	if(m) {
		alert('The following error(s) occurred:\n\n' + m);
		return false;
	}
	return true;
}