var title_change_threshold = 10;
var title_array;
var no_stories;
var story_ids;

no_stories = 11;
title_array = new Array(no_stories);
story_ids = new Array(no_stories);

title_array[0] = "::::::: Abbasin's Tale :::::::";
story_ids[0] = 1;
title_array[1] = "::::::: Anonymous Kosovar in Petiti Chatueau Camp, Brussels :::::::";
story_ids[1] = 2;
title_array[2] = "::::::: a short tale by IJ :::::::";
story_ids[2] = 3;
title_array[3] = "::::::: Anonymous Iranian, Petit Chateau, Brussels :::::::";
story_ids[3] = 4;
title_array[4] = "::::::: - Anon Afghan, waiting for asylum, Petit Chateau, Brussels :::::::";
story_ids[4] = 5;
title_array[5] = "::::::: Atek Nadir - an Algerian Refugee in Hanau :::::::";
story_ids[5] = 6;
title_array[6] = "::::::: 4 chapters by Barry Dawda, refugee from Sierra Leone in Belgium :::::::";
story_ids[6] = 7;
title_array[7] = "::::::: hate :::::::";
story_ids[7] = 8;
title_array[8] = "::::::: hate :::::::";
story_ids[8] = 9;
title_array[9] = "::::::: inconexa :::::::";
story_ids[9] = 10;
title_array[10] = "::::::: memory and forgetting :::::::";
story_ids[10] = 11;

var last_pos;
var last_title;
var curr_title;

last_pos = new Array(2);
last_pos[0] = 0;
last_pos[1] = 0;

last_title = 0; /* an index into the title_array */
curr_title = 0;
function open_window(myurl, myname)
{
	var childwin;
	
	if (myurl != "")
	{
		childwin = window.open(myurl, myname);
	}
}

function js_connector(image_id, toshow)
{	

	if (!toshow)
	{
		return;
	}
	
	opener.document.viewimage_callback.viewimage_submit_newimage.value = image_id;
	opener.document.viewimage_callback.submit();
	window.close();
}

function js_grid_callback(x, y)
{
	document.grid_callback.mousex.value = x;
	document.grid_callback.mousey.value = y;
	document.grid_callback.submit();
}

function js_story_grid_callback(x, y)
{
	document.story_grid_callback.mousex.value = x;
	document.story_grid_callback.mousey.value = y;
	document.story_grid_callback.index_submit_storyid.value = story_ids[curr_title];
	document.story_grid_callback.submit();
}

function js_title_callback(x, y)
{
	var no_stories, i;
	
	no_stories = 11;
	
	/* check if i am within 10 pixels of last update */
	
	i = Math.sqrt(Math.pow(y - last_pos[1], 2.0) + Math.pow(x - last_pos[0], 2.0));
	
	if (i > title_change_threshold)
	{
		/* update title, last_pos etc */
		last_pos[0] = x;
		last_pos[1] = y;
		
		last_title = curr_title;
		curr_title = (last_title + 1) % (no_stories);
	}
		
	update_title(title_array[curr_title]);
}

function update_title(title)
{
	var mypara;
	
	mypara = document.getElementById("titletext");
	mypara.innerHTML = title;
}

function translate_helper(from_lang, to_lang, text)
{
	var myform;
	
	myform = document.translate_callback;
	
	myform.text.value = text;
	myform.langpair.value = from_lang + '|' + to_lang;
	myform.hl.value = to_lang;
	myform.submit();
	
}