// $Id$

var Selection_cookiearray = 0;
var Selection_enabled = 0;
var Selection_disabled = 0;

function Selection_init(itemId, enabled, disabled)
{
	Selection_enabled = new Image
	Selection_disabled = new Image

	if ((enabled != '') && (disabled != ''))
	{
		Selection_enabled.src = enabled
		Selection_disabled.src = disabled
	
		var cookiename = getCookie('selection')
	
		if(cookiename)
			Selection_cookiearray = cookiename.split('.')
		else
			Selection_cookiearray = new Array(0);
	
		i = Selection_cookiearray.indexOf("I"+itemId)
	
		anElement = document.getElementById("I"+itemId)
	
		if(i == -1)
			anElement.src = Selection_disabled.src
		else
			anElement.src = Selection_enabled.src
	}
}

function Selections_init(enabled, disabled)
{
	Selection_enabled = new Image
	Selection_disabled = new Image

	Selection_enabled.src = enabled
	Selection_disabled.src = disabled

	var cookiename = getCookie('selection')

	if(cookiename)
		Selection_cookiearray = cookiename.split('.')
	else
		Selection_cookiearray = new Array(0);

	var ticks = document.getElementsByName('TICK');

	for(var idx = 0; idx < ticks.length; idx++)
	{
		itemId = ticks[idx].id

		i = Selection_cookiearray.indexOf(itemId)

		if(i == -1)
		{
			ticks[idx].src = Selection_disabled.src
			ticks[idx].title="Click here to add item to your selections";
		}
		else
		{
			ticks[idx].src = Selection_enabled.src
			ticks[idx].title="Click here to remove item from your selections";
		}
	}
}

function Selection(me)
{

	var itemId = me.id;
	var i = Selection_cookiearray.indexOf(itemId)

	if(i == -1)
	{
		Selection_cookiearray[Selection_cookiearray.length] = itemId;
		me.src = Selection_enabled.src;
		me.title = "Click here to remove item from your selections";
		me.alt = "Tick box: ticked";
		
	}
	else
	{
		Selection_cookiearray.remove(i);
		me.src = Selection_disabled.src;
		me.title = "Click here to add item to your selections";
		me.alt = "Tick box: not ticked";
	}

	var cookiestring = Selection_cookiearray.join('.')

	document.cookie = 'selection=' + escape(cookiestring)
}

function SelectionClear()
{
	var ticks = document.getElementsByName('TICK');

	for(var idx = 0; idx < ticks.length; idx++)
	{
		ticks[idx].src = Selection_disabled.src
	}

	Selection_cookiearray = new Array(0);

	document.cookie = 'selection=';
	window.location.reload(false);
}