function showHideDiv (ele) {
		var d,showHide;
		
		if (!ele) return false;
		d = document.getElementById(ele);
		if (!d) return false;
		
		if (showHideDiv.arguments.length>1) showHide = showHideDiv.arguments[1];
		else showHide = (d.style.display=='none');
		
		d.style.display = (showHide) ? 'block' : 'none';
	}
	
	function checkAuthorForm (formy) {
		var alerts = '';
		
		with (formy) {
			if (!authorFirstName.value) alerts += "'Author First Name' is a required field\n";
			if (!authorLastName.value) alerts += "'Author Last Name' is a required field\n";
		}
		
		if (alerts) {
			alert("Please correct the following error in the form:\n"+alerts);
			return false;
		}
	}