// ===========================================================================================
// The javascript file that does the work.  A seperate file with no DynaMents, to aid in
//  caching.
// ===========================================================================================


function refillForm(formName, params, user) {
	// Refill form for each parameter
	for(key in params)
	{
		var value = params[key];
		if ((!value) || (value == ""))
		{
			if (user[key])
			{
				value = user[key];
			}
		}
		if (!value)
		{
			continue;
		}
		// Skip this parameter if the corresponding element can't be found
		var element = eval('document.' + formName + '.elements["' + key + '"]');
		if (!element)
		{
			continue;
		}
		//Unescape value
		value = value.replace(/\+/g, " ");
		value = unescape(value);
		// Determine the type of the form element
		var elementType = getElementType(element);
		// Switch based on element type
		switch (elementType)
		{
			case "input":
				fillInputElement(element, value);
			break; //End input
			case "textarea": case "select":
				element.value = value;
			break; //End textarea
			default:
				// Do Nothing
			break;
		}
	}
}

function fillInputElement(element, value)
{
	// Determine input type
	var inputType = getInputElementType(element);
	// Set the value for the element
	switch (inputType)
	{
		case "radio": case "checkbox":
			fillRadioOrCheckbox(element, value);
		break;
		default:
			element.value = value;
		break;
	}
}

function fillRadioOrCheckbox(element, value)
{
	var options;
	if (isMultiple(element))
	{
		options = element;
	}
	else
	{
		options = new Array();
		options[0] = element;
	}
	var values = value.split(value_separator);
	for(var i=0; i<options.length; i++)
	{
		var option = options[i];
		if(contains(values, option.value))
		{
			option.checked = true;
		}
		else
		{
			option.checked = false;
		}
	}
}

function contains(array, value)
{
	for (var i=0; i<array.length; i++)
	{
		if (array[i] == value)
		{
			return true;
		}
	}
	return false;
}

function isMultiple(element)
{
	return ((element["length"]!=null) && (element["length"]!=undefined));
}

function getElementType(element)
{
	var result = element["nodeName"];
	if ((!result) && (isMultiple(element)))
	{
		result = element[0].nodeName;
	}
	if (result)
	{
		result = result.toLowerCase();
	}
	return result;
}

function getInputElementType(element)
{
	// Determine input type
	var result;
	if (isMultiple(element))
	{
		result = element[0].type;
	}
	else
	{
		result = element.type;
	}
	if (result)
	{
		result = result.toLowerCase();
	}
	return result;
}