function addLoadListener(fn)
{
	if (typeof window.addEventListener != 'undefined')
	{
		window.addEventListener('load',fn,false);
	}
	else if (typeof document.addEventListener != 'undefined')
	{
		document.addEventListener('load',fn,false);
	}
	else if (typeof window.attachEvent != 'undefined')
	{
		window.attachEvent('onload',fn);
	}
	else
	{
		var oldfn = window.onload;
		if(typeof window.onload != 'function')
		{
			window.onload = fn;
		}
		else
		{
			window.onload = function()
			{
				oldfn();
				fn();
			}
		}
	}
}

function starter()
{
//var selectBox = document.forms["form1"]["classlist"];
var selectBox = document.getElementById('editList');
var form = document.getElementById('selectAndEdit');
if (selectBox != null && form != null)
{
	selectBox.onchange = changeBox;
	changeBox();
	
	form.onsubmit = validateEdit;
}
}

function changeBox ()
{
var editList = document.getElementById('editList');
var textBox = document.getElementById('oldDATA');
var textBoxEdit = document.getElementById('newDATA');
var hiddenID = document.getElementById('dataid');
if (typeof editList != 'undefined' && typeof textBox != 'undefined' && typeof textBoxEdit != 'undefined')
{
	if (DataList[editList.value] == null)
	{
		textBox.value = '';
		textBoxEdit.value = '';
		hiddenID.value = 'NULL';
	}
	else
	{
		textBox.value = DataList[editList.value];
		textBoxEdit.value = DataList[editList.value];
		hiddenID.value = editList.value;
	}
}
}

function validateEdit ()
{
	// user has submitted the form for processing, check the data fields for if deletion is about to occur
	var formElement = this;

	var fieldOld = document.getElementById('oldDATA');
	var fieldNew = document.getElementById('newDATA');
    
    var secret = document.getElementById('secret');

	if (fieldNew.value == '' && fieldOld.value != '' && secret == null)
	{
		var confirmation = confirm("Do you wish to delete this entry?");
		if (confirmation)
		{
			return true;
		}
	}
	else if (fieldNew.value == '' && fieldOld.value == '' || fieldNew.value == '')
	{
		alert("No data entered.");
	}
	else
	{
		return true;
	}
	return false;
}

addLoadListener(starter);


function placeFocus() 
{
	if (document.forms.length > 0) 
	{
		var field = document.forms[0];
		for (i = 0; i < field.length; i++) 
		{
			if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) 
			{
				document.forms[0].elements[i].focus();
				break;
			}
		}
   	}
}
addLoadListener(placeFocus);